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Flow characteristics and hot workability of a typical low-alloy high-strength steel during multi-pass deformation 被引量:1
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作者 Mingjie Zhao Lihong Jiang +4 位作者 Changmin Li Liang Huang Chaoyuan Sun Jianjun Li Zhenghua Guo 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2024年第2期323-336,共14页
Heavy components of low-alloy high-strength(LAHS) steels are generally formed by multi-pass forging. It is necessary to explore the flow characteristics and hot workability of LAHS steels during the multi-pass forging... Heavy components of low-alloy high-strength(LAHS) steels are generally formed by multi-pass forging. It is necessary to explore the flow characteristics and hot workability of LAHS steels during the multi-pass forging process, which is beneficial to the formulation of actual processing parameters. In the study, the multi-pass hot compression experiments of a typical LAHS steel are carried out at a wide range of deformation temperatures and strain rates. It is found that the work hardening rate of the experimental material depends on deformation parameters and deformation passes, which is ascribed to the impacts of static and dynamic softening behaviors. A new model is established to describe the flow characteristics at various deformation passes. Compared to the classical Arrhenius model and modified Zerilli and Armstrong model, the newly proposed model shows higher prediction accuracy with a confidence level of 0.98565. Furthermore, the connection between power dissipation efficiency(PDE) and deformation parameters is revealed by analyzing the microstructures. The PDE cannot be utilized to reflect the efficiency of energy dissipation for microstructure evolution during the entire deformation process, but only to assess the efficiency of energy dissipation for microstructure evolution in a specific deformation parameter state.As a result, an integrated processing map is proposed to better study the hot workability of the LAHS steel, which considers the effects of instability factor(IF), PDE, and distribution and size of grains. The optimized processing parameters for the multi-pass deformation process are the deformation parameters of 1223–1318 K and 0.01–0.08 s^(-1). Complete dynamic recrystallization occurs within the optimized processing parameters with an average grain size of 18.36–42.3 μm. This study will guide the optimization of the forging process of heavy components. 展开更多
关键词 low-alloy high-strength steel work hardening rate constitutive model hot workability multi-pass deformation
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The laparoscopic rating scale for the evaluation of working conditions for surgical treatment of super-obesity
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作者 Oral Ospanov 《Laparoscopic, Endoscopic and Robotic Surgery》 2023年第2期78-82,共5页
In this technical note,a novel rating scale(abdominal integral index)was introduced for assessing the conditions of the working laparoscopic space based on linear measurements to select the optimal one or two-stage su... In this technical note,a novel rating scale(abdominal integral index)was introduced for assessing the conditions of the working laparoscopic space based on linear measurements to select the optimal one or two-stage surgical treatment for super-obesity.Patients with the same height and similar BMI values had different rating scale scores,reflecting different conditions of laparoscopic bariatric surgery.The rating scale helps surgeons and patients make a safe option for surgery,depending on the experience of the surgeon and technical laparoscopic conditions. 展开更多
关键词 Bariatric surgery Laparoscopic rating scale Surgical working conditions SUPER-OBESITY
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NEW PRINCIPLES OF WORK AND ENERGY AS WELLAS POWER AND ENERGY RATE FORCONTINUUM FIELD THEORIES 被引量:3
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作者 DAI Tian-min(戴天民) 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 2001年第11期1231-1239,共9页
New principles of work and energy as well as power and energy rate with cross terms for polar and nonlocal polar continuum field theories were presented and from them all corresponding equations of motion and boundary... New principles of work and energy as well as power and energy rate with cross terms for polar and nonlocal polar continuum field theories were presented and from them all corresponding equations of motion and boundary conditions as well as complete equations of energy and energy rate with the help of generalized Piola's theorems were naturally derived in all and without any additional requirement. Finally, some new balance laws of energy and energy rate for generalized continuum mechanics were established. The new principles of work and energy as well as power and energy rate with cross terms presented in this paper are believed to be new and they have corrected the incompleteness of all existing corresponding principles and laws without cross terms in literatures of generalized continuum field theories. 展开更多
关键词 new principles of work and energy power and energy rate generalized Piola's theorem new equations of energy and energy rate generalized continua
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Derivation of Plastic Work Rate Done per Unit Volume for Mean Yield Criterion and Its Application 被引量:8
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作者 Dewen ZHAO Yingjie XIE +1 位作者 Xiaowen WANG Xianghua LIU 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2005年第4期433-436,共4页
In Haigh Westergaard stress space linear combination of twin shear stress and Tresca yield functions is called the mean yield (MY) criterion. The mathematical relationship of the criterion and its plastic work rate ... In Haigh Westergaard stress space linear combination of twin shear stress and Tresca yield functions is called the mean yield (MY) criterion. The mathematical relationship of the criterion and its plastic work rate done per unit volume were derived. A generalized worked example of slab forging was analyzed by the criterion and its corresponding plastic work rate done per unit volume. Then, the precision of the solution was compared with those by Mises and Twin shear stress yield criterions, respectively. It turned out that the calculated results by MY criterion were in good agreement with those by Mises criterion. 展开更多
关键词 Mean yield criterion Plastic work rate done per unit volume Functional linearization Slab forging
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RENEWAL OF BASIC LAWS AND PRINCIPLES FOR POLAR CONTINUUM THEORIES (Ⅷ)—PRINCIPLE OF TOTAL WORK AND ENERGY 被引量:2
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作者 戴天民 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 2005年第3期313-318,共6页
Theoretical incompleteness of the existing conservation laws of energy for polar continuum mechanics is further clarified. For completeness, the principles of total work and energy and of total work and energy of incr... Theoretical incompleteness of the existing conservation laws of energy for polar continuum mechanics is further clarified. For completeness, the principles of total work and energy and of total work and energy of incremental rate type are postulated. Via total variations of the former and the latter of them, the principles of virtual displacement and microrotation & stress and couple stress as well as virtual velocity and angular velocity & stress rate and couple stress rate are immediately obtained, respectively. From these principles all balance equations and boundary conditions for micropolar mechanics are naturally and simultaneously deduced. The essential differences between the nontraditional results obtained in this paper and the existing conservation laws of energy are expounded. 展开更多
关键词 micropolar continua total work and energy total virtual work and energy incremental rate type conservation law of energy
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Relationship on the Head Deviation Rate and Laying Length of Porous Tubes
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作者 Yameng Wang Huanfang Liu 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2019年第5期88-96,共9页
To improve the utilization efficiency of water the laying length of porous tubes was analyzed. Considering long porous tubes the irrigation uniformity of porous tubes was studied by analyzing the deviation rate of the... To improve the utilization efficiency of water the laying length of porous tubes was analyzed. Considering long porous tubes the irrigation uniformity of porous tubes was studied by analyzing the deviation rate of the working head of porous tubes and through an impact analysis of the deviation ratio of flow rate based on laying length slope pressure head and perforation spacing. Results showed that the deviation ratio of the flow rate could be reduced by decreasing the length of tubes and increasing the slope. The deviation ratio of flow rate was less influenced by pressure head and perforation spacing. A best laid slope resulted in a longer laying length of the porous tubes and they were not constant. 展开更多
关键词 flow deviation rate POROUS TUBES deviation rate of working HEAD LAYING LENGTH HEAD loss
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Load Assessment of the Static Posture and Weight Holding inTerms of Pulmonary Ventilation and Heart Rate
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作者 杨磊 林宇声 +2 位作者 刘卫东 刘杰 刘鹤云 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 1997年第3期156-159,共4页
The aim of this study was to explore appropriate index for load evaluation by analyzing.the changes of pulmonary ventilation (VE) and heart rate (HR)in 35 student volunteers under the condition of static posture and w... The aim of this study was to explore appropriate index for load evaluation by analyzing.the changes of pulmonary ventilation (VE) and heart rate (HR)in 35 student volunteers under the condition of static posture and weight holding.Each subject was asked to perform 7 kinds of static postures and 2 kinds of weight holdings. The HR was continuously measured by a remote detecting device. VE was recorded by a ventimeter for an average of 5 min. The results showed that HR was positively correlated to VE under static activities (r=0. 89), which suggested that VE as well as HR could to some degrees reflect the static load. It was better to use VE to indicate the load of weight holdings than to use HR, which, on the other hand, was more sensible in reflection of the posture load. It is better to use relative value of both of VE and HR to reflect the static load. In addition,arm-overheaded posture increase HR more significantly than any other activities. 展开更多
关键词 static activity pulmonary ventilation heart rate work load evaluation
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Deduction of plastic work rate per unit volume for unified yield criterion and its application 被引量:2
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作者 赵德文 李婧 +1 位作者 刘相华 王国栋 《中国有色金属学会会刊:英文版》 CSCD 2009年第3期657-660,共4页
A unified linear expression of plastic work rate per unit volume is deduced from the unified linear yield criterion and the associated flow rule. The expression is suitable for various linear yield loci in the error t... A unified linear expression of plastic work rate per unit volume is deduced from the unified linear yield criterion and the associated flow rule. The expression is suitable for various linear yield loci in the error triangle between Tresca’s and twin shear stress yield loci on the π-plane. It exhibits generalization in which the different value of criterion parameter b corresponds to a specific linear formula of plastic work rate per unit volume. Finally, with the unified linear expression of plastic work rate and upper-bound parallel velocity field the strip forging without bulge is successfully analyzed and an analytical result is also obtained. The comparison with traditional solutions shows that when b=1/(1+ 3 ) the result is the same as the upper bound result by Mises’ yield criterion, and it also is identical to that by slab method with m=1, σ0=0. 展开更多
关键词 统一屈服准则 工作单位 塑料 体积 线性屈服准则 应用 屈服轨迹 流动法则
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The impact of working capital management on credit rating
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作者 Ala’a Adden Abuhommous Ahmad Salim Alsaraireh Huthaifa Alqaralleh 《Financial Innovation》 2022年第1期1968-1987,共20页
This study investigates the possible nonlinear relationship between working capital and credit rating.Furthermore,it examines the relationship between the three components of working capital(inventory,accounts receiva... This study investigates the possible nonlinear relationship between working capital and credit rating.Furthermore,it examines the relationship between the three components of working capital(inventory,accounts receivable,and accounts payable)and a firm’s credit rating.Employing data for U.S listed firms for the period between 1985 and 2017,the results of our ordered probit model show a nonlinear relationship between working capital and its components and credit rating.Finally,we find that the deviation from the optimal working capital adversely affects the credit rating.The results of this study are of significant importance for policy makers,managers,decision makers,and credit-rating agencies,as they help highlight the importance of working capital management for a firm’s credit rating. 展开更多
关键词 Credit rating working capital management FINANCE INVESTMENT Trade credit
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The Effect of Strain Rate on Tensile Properties of Cotton Yarns
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作者 石风俊 崔世忠 《Journal of Donghua University(English Edition)》 EI CAS 2003年第3期23-26,共4页
The effect of strain rate on tensile properties of cotton yarns is analyzed using the standard linear solid model. The tensile curve, breaking strength and work of rupture of the yarns under different strain rate are ... The effect of strain rate on tensile properties of cotton yarns is analyzed using the standard linear solid model. The tensile curve, breaking strength and work of rupture of the yarns under different strain rate are calculated. A good correlation exists between the experiment results and theoretical anticipations. 展开更多
关键词 YARN standard linear solid model strain rate breaking strength work of rupture
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Study on the characteristics of ground pressure behaviors in working face with great mining height at different advance speeds by similarity model experiment
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作者 华心祝 张金龙 谢广祥 《Journal of Coal Science & Engineering(China)》 2007年第1期28-31,共4页
Presently most of research results on strata behaviors were concluded under the normal (moderate) advance rate conditions. Comparing with normal advance rate, fast advance rate and slow advance rate may cause some n... Presently most of research results on strata behaviors were concluded under the normal (moderate) advance rate conditions. Comparing with normal advance rate, fast advance rate and slow advance rate may cause some new changes of strata behaviors. The characteristics of ground pressure behaviors in working face with great mining height at different forward speeds were studied by similarity model experiment in laboratory. Its conclusion provides a theoretic basis for ground pressure controlling. 展开更多
关键词 similarity simulation advance rate working face with great mining height ground pressure
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Determination of Variables That Affect the Remission Rate of Sewing Operations in a Textile Company
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作者 Josefa Angelie Dilla Revilla Leianne Yusi Casupang +1 位作者 Iris Ann Galarosa Martinez Ma. Laami Dilla Revilla 《Chinese Business Review》 2015年第9期411-422,共12页
In operations management, the learning curve has been an effective tool in estimating operator performance. However, discontinuities in work disrupt the learning process and a phenomenon called remission or forgetting... In operations management, the learning curve has been an effective tool in estimating operator performance. However, discontinuities in work disrupt the learning process and a phenomenon called remission or forgetting occurs, resulting in increased time of performing the task upon resumption of work. The study aims to identify variables that significantly affect the remission rate of sewing operations in a manufacturing setting. Four variables--length of stint 1, percent Differenceat stint t, gender, and product family, were identified. Statistical analyses, such as paired t-test, correlation, regression, and analysis of variance (ANOVA) were conducted in order to observe the relationships between the dependent variable and independent variables. For the results of the first general regression, gender was found to be an insignificant variable in predicting remission rate, while product family, length of stint 1, and percent Differenceat stint I were statistically significant. Moreover, the final general regression, which excluded the insignificant gender variable and considered the (regrouped) product families, revealed that product family, length of stint 1, and percent Differenceat stint 1 were still statistically significant. Length of stint 1 had a moderately positive correlation with remission rate, while percent Differenceat stint i had a moderately negative correlation with remission rate. Also, percent Differenceat stint 1 was the largest contributor to the remission rate model. In terms of R2, the goodness-of-fit of the model is moderate. Finally, the model yielded an absolute error of 5.08%, indicating a high accuracy in predicting remission rate. 展开更多
关键词 remission rate learning remission model learning curve effects of work break continuous performance manufacturing
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A new diagnostic method for identifying working conditions of submersible reciprocating pumping systems 被引量:3
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作者 Yu Deliang Zhang Yongming +2 位作者 Bian Hongmei Wang Xinmin Qi Weigui 《Petroleum Science》 SCIE CAS CSCD 2013年第1期81-90,共10页
The submersible pumping unit is a new type of pumping system for lifting formation fluids from onshore oil wells, and the identification of its working condition has an important influence on oil production. In this p... The submersible pumping unit is a new type of pumping system for lifting formation fluids from onshore oil wells, and the identification of its working condition has an important influence on oil production. In this paper we proposed a diagnostic method for identifying the working condition of the submersible pumping system. Based on analyzing the working principle of the pumping unit and the pump structure, different characteristics in loading and unloading processes of the submersible linear motor were obtained at different working conditions. The characteristic quantities were extracted from operation data of the submersible linear motor. A diagnostic model based on the support vector machine (SVM) method was proposed for identifying the working condition of the submersible pumping unit, where the inputs of the SVM classifier were the characteristic quantities. The performance and the misjudgment rate of this method were analyzed and validated by the data acquired from an experimental simulation platform. The model proposed had an excellent performance in failure diagnosis of the submersible pumping system. The SVM classifier had higher diagnostic accuracy than the learning vector quantization (LVQ) classifier. 展开更多
关键词 Submersible reciprocating pump working condition failure diagnosis linear motor characteristic quantity support vector machine misjudgment rate
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Equal perimeter yield criterion and its specific plastic work rate: Development, validation and application 被引量:1
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作者 章顺虎 赵德文 陈晓东 《Journal of Central South University》 SCIE EI CAS CSCD 2015年第11期4137-4145,共9页
In order to overcome the nonlinearity of Mises criterion, a new linear yield criterion with a dodecagon shape of the same perimeter as Mises criterion was derived by means of geometrical analysis. Its specific plastic... In order to overcome the nonlinearity of Mises criterion, a new linear yield criterion with a dodecagon shape of the same perimeter as Mises criterion was derived by means of geometrical analysis. Its specific plastic work rate expressed as a linear function of the yield stress, the maximum and minimum strains was also deduced and compared with that of Mises criterion. The physical meaning of the proposed yield criterion is that yielding of materials begins when the shear yield stress τs reaches the magnitude of 0.594σs. By introducing the Lode parameter, validation of evolution expressions of the proposed yield criterion with those based on Tresca, Mises and TSS criteria as well as available classical yield experimental results of various metals shows that the present results intersect with Mises results and coincide well with experimental data. Moreover, further application to the limit analysis of circle plate as an example is performed to demonstrate the effectiveness of the proposed yield criterion, and the subsequent comparison of limit loads with the Tresca analytical solutions and Mises numerical results shows that the present results are higher than the Tresca analytical results, and are in good agreement with the Mises numerical results. 展开更多
关键词 EP yield CRITERION SPECIFIC PLASTIC work rate circ
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A Comparative Study of Performance Between Operators With Work Discontinuity and Without Work Discontinuity 被引量:1
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作者 Josefa Angelie D. Revilla Iris Ann G. Martinez 《Chinese Business Review》 2014年第5期290-300,共11页
In situations where discontinuity in operation occurs, specifically in a country where coontractualization has an increasing trend, the performance level of operators after the work break is of great interest. Existin... In situations where discontinuity in operation occurs, specifically in a country where coontractualization has an increasing trend, the performance level of operators after the work break is of great interest. Existing studies have found that the performance of an operator declines after her operation is completely stopped. However, when the operator performed other tasks (may it be similar or not from her previous task) during the work break, the performance after the work break seems to be affected at different level. Contractual and regular operators from a semiconductor and textile company were considered to replicate a discontinuous and continuous operation. The processing times of contractual workers before and after several months of work break were compared. Two types of work break were seen to have significant effect on an operator's performance after the work break, Type 1: 0% to 40% similarity from previous task and Type 2: 40% to 97% similarity from previous task. One can find that when 21% of tasks performed during the work break are similar to the operator's previous task, there would be no change in her performance upon returning. On the other hand, a 5% decline in performance was observed after work break type 1 and an 8.54% improvement after work break type 2. Also, a remission rate of 18% from end of stint 1 to start of stint 2 under work break type 1 was seen, while 8% for work break type 2. This may also be true to other industries. Thus, further study is suggested. 展开更多
关键词 performance of contractual operators effects of work break remission rate
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Comparison on Mathematical Models for Description of Flow Curves of Stable Austenitic Steels
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作者 Xing TIAN and Rujin TIANDepartment of Materials Science & Engineering, Dalian Railway Institute, Dalian 116028, China 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2003年第1期84-86,共3页
The flow curves were measured for the stable austenitic steels 304L and 304LN by means of tensile test at room temperature,which are described by the models σ=K1εn1 + exp(K2 + n2ε), σ=Kεn1+n2lnε and σ=σ0+Kεn ... The flow curves were measured for the stable austenitic steels 304L and 304LN by means of tensile test at room temperature,which are described by the models σ=K1εn1 + exp(K2 + n2ε), σ=Kεn1+n2lnε and σ=σ0+Kεn (where, K1, K2, n1 andn2; K, n1 and n2; σ0, K and n are constant). The comparison of the maximum deviations and the consideration of thevariation of the work hardening rate with true strain show that the flow curves for the austenitic steels 304L and 304LN canbe described by the model σ=Kεn1+n2 lnε at higher precision.The derivatives of the models σ=K1εn1 + exp(K2 + n2ε) and σ=Kεn1+n2lnε with respect to true strain, exhibit theextreme at low true strain. This inherent character indicates that both models are unsuitable to describe the part of the workhardening rate curve at low true strain. 展开更多
关键词 Flow curve Mathematical model work hardening rate
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Study on Large Power Tractor Driver's Heart Rate and Fatigue in Sowing Work
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作者 KONG Degang ZHAO Yongchao +2 位作者 ZHU Zhenying ZHANG Shuai ZHU Lei 《Journal of Northeast Agricultural University(English Edition)》 CAS 2008年第2期48-53,共6页
In order to reduce the driving fatigue in sowing work, this paper based on heart rate (HR) as the main indicator to survey, tested and analyzed the fatigue condition of the drivers of three imported tractors and one... In order to reduce the driving fatigue in sowing work, this paper based on heart rate (HR) as the main indicator to survey, tested and analyzed the fatigue condition of the drivers of three imported tractors and one domestic tractor in sowing work. The results showed that when driving the imported tractors in sowing work, the HR increasing rate was 10.4%-14.3%, labor intensity belonged to the light level; when driving domestic tractor in sowing work, the HR increasing rate was 23.4%-33.0%, it was remarkably bigger than that of driving imported tractors (P〈0.05), labor intensity belonged to the middle level. The main effects on driving fatigue included the control methods, tractors' cab environment, processing time, operating content, and so on. Finally, we proposed the concrete measures and suggestions to reduce driving fatigue and improve drivers' work condition. 展开更多
关键词 large power tractor sowing work driving fatigue heart rate labor intensity
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Thermodynamic Performance Analysis of a Gas Turbine in an Equatorial Rain Forest Environment
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作者 Barinaadaa Thaddeus Lebele-Alawa Vining Jo-Appah 《Journal of Power and Energy Engineering》 2015年第1期11-23,共13页
This paper discusses the thermodynamic analysis of a gas turbine power plant located in the equatorial rainforest of southern Nigeria. Steady state monitoring and direct collection of data from the Mk IV Speedtronics ... This paper discusses the thermodynamic analysis of a gas turbine power plant located in the equatorial rainforest of southern Nigeria. Steady state monitoring and direct collection of data from the Mk IV Speedtronics system and log books in the control room was performed. The variation of operating conditions (ambient temperature, compressor discharge temperature, turbine inlet temperature, exhaust temperature and fuel mass flow rate) on the performance of gas turbine (thermal efficiency, net power output, heat rate, specific fuel consumption and compressor work) were investigated using various thermodynamic relations and equations. The results show that a degree rise in ambient temperature could be responsible for the following: 1.37% reduction in the net power output, 1.48% increase in power drop, 1.49% reduction in thermal efficiency, 2.16% increase in heat rate, 2.17% increase in specific fuel consumption and 0.3% increase in compressor work. Furthermore the thermal efficiency decreases by 0.006% for 1 kcal/kWh increase in heat rate and the heat transfer in the hot gas part was found to increase by 0.16% for a degree rise in ambient temperature. Also the work reveals that the gas turbine had a huge drop in power due to influence of site parameters in contrast to designed data. 展开更多
关键词 Gas-Turbine thermal Efficiency Power COMPRESSOR work Specific Fuel CONSUMPTION Heat rate Combustion
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Exchange Rate Market Sentiment Analysis of Major Global Currencies
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作者 K. S. Madhava Rao Anjana Ramachandran 《Open Journal of Statistics》 2014年第1期49-69,共21页
The paper deals with the analysis of market sentiments in exchange rates which are of great interest to trading individuals and institutional investors. For example, an institutional investor or a trading individual m... The paper deals with the analysis of market sentiments in exchange rates which are of great interest to trading individuals and institutional investors. For example, an institutional investor or a trading individual makes better investments and minimizes losses when equipped with an understanding of market sentiments in weekly or monthly exchange returns. In the approach suggested here, a typical market sentiment is defined on the basis of the certain function of the mean and the standard error of the logarithm of the ratio of successive daily exchange rates. Based on this surmise, the market sentiments are classified into various states, whereby states are defined according to the perceptions of the market player. A multinomial probability model is built to capture the uncertainties in market sentiments. Two asymptotically distribution-free tests, namely the chi-square and the likelihood ratio test of goodness of fit for the hypothesis of the symmetry in market sentiments are suggested. Two different measures of market sentiments are proposed. The approach advocated here will be of interest to researchers, exchange rate traders and financial analysts. As an application of the proposed line of approach, we analyze weekly market sentiments that govern exchange rates of the major global currencies—EUR, GBP, SDR, YEN, ZAR, USD, data from 2001-2012. Some interesting conclusions are revealed based on the data analysis. 展开更多
关键词 CHI-SQUARE Tests EXCHANGE rates Market Sentiments WEEKLY STATES
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Facing Both Challenges and Opportunities:How Can Financial Service Firms Survive Under the Pandemic?SOAR Analysis of Three Leading Firms in the Financial Service Industry
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作者 LI Ding XIE Ning XIE Zhihang 《Psychology Research》 2022年第7期509-519,共11页
After the breakout of COVID-19,many entity industries have to shut down.The rapid decline of money transaction caused by the shutdown of the entity industries has shocked the financial service industry while the incre... After the breakout of COVID-19,many entity industries have to shut down.The rapid decline of money transaction caused by the shutdown of the entity industries has shocked the financial service industry while the increase in digital transactions also offers them opportunities.Facing both challenges and opportunities,financial services firms should change their target and compensation policy during the pandemic to survive.After analysing three major firms in this industry by using SOAR method,we conclude four keys for financial services firms to survive in COVID-19. 展开更多
关键词 financial services firms SOAR methods digital transaction remote working compensation policy incentive payment correlation analysis growth rate of compensation inflation rate real wage
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