Low Carbon Building Design Optimization Based on Intelligent Energy Management System

The construction of relevant standards for building carbon emission assessment in China has just started,and the quantitative analysis method and evaluation system are still imperfect,which hinders the development of low-carbon building design.Therefore,the use of intelligent energy management system is very necessary.The purpose of this paper is to explore the design optimization of low-carbon buildings based on intelligent energy management systems.Based on the proposed quantitative method of building carbon emission,this paper establishes the quota theoretical system of building carbon emission analysis,and develops the quota based carbon emission calculation software.Smart energy management system is a low-carbon energy-saving system based on the reference of large-scale building energy-saving system and combined with energy consumption.It provides a fast and effective calculation tool for the quantitative evaluation of carbon emission of construction projects,so as to realize the carbon emission control and optimization in the early stage of architectural design and construction.On this basis,the evaluation,analysis and calculation method of building structure based on carbon reduction target is proposed,combined with the carbon emission quota management standard proposed in this paper.Taking small high-rise residential buildings as an example,this paper compares and analyzes different building structural systems from the perspectives of structural performance,economy and carbon emission level.It provides a reference for the design and evaluation of low-carbon building structures.The smart energy management system collects user energy use parameters.It uses time period and time sequence to obtain a large amount of data for analysis and integration,which provides users with intuitive energy consumption data.Compared with the traditional architectural design method,the industrialized construction method can save 589.22 megajoules(MJ)per square meter.Based on 29270 megajoules(MJ)per ton of standard coal,the construction area of the case is about 8000 m2,and the energy saving of residential buildings is 161.04 tons of standard coal.This research is of great significance in reducing the carbon emission intensity of buildings.

Discussion on the application of the concept of environmental protection and energy saving in the design of building water supply and drainage

With the current,our country social economy rapid development,people's living standard and quality of life and therefore have got improved,at the same time,it is the concept of environmental protection and energy saving is also enhanced value,many fields in our country environmental protection and energysaving concept can be seen in the application,especially the application in building water supply and drainage design more widely,to protect the environment,to maximize the use of limited resources,how to reasonable use of water resources in building water supply and drainage construction,above is current the paper mainly discusses the problems in the construction field,this paper based on environmental protection and energy-saving concept,discusses its application in the building water supply and drainage design,for your reference.

Faults and Claims about Thermal Environments in Relation to Energy Saving Measures in Smaller Office Buildings

Building equipment, energy-saving systems, and claims of inappropriate indoor thermal environments were analyzed in relation to the floor area using responses to a questionnaire survey of service managers of 157 buildings built in Osaka, Kyoto and Hyogo prefectures in Kinki area of Japan. Results show the following： （1） In smaller buildings （〈 5,000 m2）, setting temperatures are higher in summer and lower in winter, effects of ＂uncomfortable radiation from windows＂ are greater, energy-saving systems decrease indoor thermal comfort, but claims of ＂hot＂ and ＂cold＂ are fewer; （2） Claims of ＂hot＂ and ＂cold＂ are unrelated to the setting temperature and whether the air-conditioning control system is central or local; （3） The adoption rates of mitigation of dress codes （＂COOL-BIZ＂ and ＂WARM-BIZ＂） are higher than those of temperature mitigation of air conditioning.

Energy-saving Planning and Design of Urban Residential Buildings in Hanzhong Area

Energy-saving design of residential building is an important part of energy-saving architectural design. Planning and design of residential buildings in Hanzhong area should pay more attention to the building orientation, sunshine, summer ventilation and wind resistance in winter and so on, so as to create favorable conditions for energy-saving design of single buildings. The geographical location, climatic characteristics, residents living habits and indoor and outdoor thermal environment situation were analyzed in this paper, and combined with the existing problems of energy conservation in the planning and layout of residential buildings in Hanzhong area. Based on the investigation, this paper drew some conclusions to provide references for the energy-saving planning and design of urban residential buildings in the local area.

Research on the Design and Energy Saving of New Rural Residential in the Southwest Area

The paper use advantage of local natural resources, greening and sufficient water resources, combine natural ecological environment design with rural architecture, and fully consider local economic base and material technical conditions, and takes site selection and planning, architectural design technology as the two core aspects to study rural residential energy conservation, improving thermal environment of indoor residential that use of nature building energy saving technique, efforts to reduce the use of mechanical equipment system, thereby reducing the rural residential building energy consumption.

Analyses of influence of residential buildings' space organization on heating energy consumption in Lhasa

The heating load simulation models of the residential buildings in Lhasa are established for enhancing the space organization’s adaptability to climate and radiation and improving its energy saving performance.The space organization items a e analyzed for both the existing buildings without insulation and new buildings with good insulation.The items include orientation design,south a d north balcony design,the north and south partition wall’s position design,storey height design and window-wall ratio design.Simulation results show that orientation is the key design element for energy saving design,and adverse orientation can obviouslyincrease heating energy consumption;south and north balconies can reduce winter heating energy consumption;partition walls move to the north,which means that the south room’s big depth design leads to less heating energy consumption,but the effect is not inconspicuous;smaier storey height results in less heating load.For the existing buildings,the window-wall ratio of south side has a balance point for energy saving design in the calculation condition.For the new buildings with good insulation,enlarging the south window-wal ratio can continuously reduce heating energy consumption,but the energy saving rate between models gets smaier.The heating energy consumption comparison study between the common model and optimal space design model demonstrates that the energy saving design can significantly reduce heating energy consumption

Optimization of Office Building Façades in a Warm Summer Continental Climate

A typical office building model with conventional use and contemporary building systems was developed for fa?ade optimization in continental climate. Wall, glazing area and window parameters were taken as the main variables. The objective function of optimization task described in this article is the minimization of cooling and heating energy con-sumption. The office building fa?ades optimization was carried out using a combination of IDA Indoor Climate and Energy 4.5 and GenOpt. The process is described in detail so that the approach may be emulated. A hybrid multidimen-sional optimization algorithm GPSPSOCCHJ was used in calculation process. The optimization results are presented in four quick selection charts to assist architects, designers and real estate developers make suitable early stage fa?ade selection decisions.

冰上运动建筑曲面光伏参数化集成设计研究

2022年冬奥会成功举办,国内掀起了冰上体育运动的热潮,冰上运动建筑需求量和能源消耗量随之增长。光伏建筑一体化(Building Integrated Photovoltaic,BIPV)作为建筑节能的主要手段之一,在体育建筑屋面具有较大的集成潜力。通过建立寒冷地区曲面冰上运动建筑典型模型进行集成设计研究,基于Grasshopper参数化平台实现新型柔性CIGS薄膜光伏组件沿屋面曲线形态的优化布置,从两个层级出发,提出参数化设计方法与构造措施。通过Honeybee进行能耗模拟,结果表明,该柔性光伏系统全年可以为冰上运动建筑降低15.82%的能量消耗,进而验证了该方案的节能性,为建筑师进行寒冷地区曲面冰上运动建筑设计的节能优化设计提供数据支撑及科学依据。

江西天井式民居生态适宜性探究

江西地区传统天井式民居具有良好的生态适宜性,在漫长的岁月中形成一套人与自然相和谐的共处模式。文章选取典型案例进行实地测绘、建模,借助Ecotect、Phoenics以及Energy Plus软件进行模拟分析,比较天井式民居与现代民居的光环境、风环境及能耗,验证天井式民居宜居性特征,分析天井式民居生态适宜性的优势与短板,并提出提高现代乡土民居生态适宜性的设计策略,以期为现代建筑的被动式节能技术提供优化思路。

基于节能潜力的办公建筑外窗设计优化策略——以郑州市主城区为例

通过分析建筑设计环节与节能之间的关系,提出了基于节能潜力的办公建筑外窗设计优化策略。基于Grasshopper参数化平台,以郑州市主城区多层办公建筑为例构建典型模型,对外窗设计尺度参数、外窗设计性能参数、遮阳设计参数等3个层级和11个影响建筑能耗的设计参量进行能耗模拟和量化分析。结果表明:在3个层级中,外窗设计尺度参数的全年单位面积总能耗节能潜力最大;在11个设计参量中,窗墙比的全年单位面积总能耗和制冷能耗节能潜力最大,玻璃传热系数的全年单位面积采暖能耗节能潜力最大。因此,在设计郑州市主城区办公建筑的外窗时,建议优先考虑窗墙比,其次是窗口中心线和玻璃材质。

外窗节能设计与集成技术

建筑外窗作为建筑围护构件中最不节能的部件,包括传热系数(U值)、可见光透射率(T_(vis))、太阳热增益系数(S_(HGC))等在内的光热性能指标直接影响了建筑的能耗。为了更加全面地了解建筑外窗节能设计的关键技术,通过数据库资料详细梳理了前人的相关研究成果。研究发现:窗墙比、建筑遮阳、窗框、窗玻璃、气密性等是影响建筑外窗节能的关键要素;集成技术在外窗节能设计方面具有明显的优越性,能够极大提高外窗的节能效率;人的行为方式对外窗节能效率也会产生较大的影响。

寒冷地区既有高校宿舍被动式节能潜力分析——以南开大学八里台为例

文章以南开大学八里台校区宿舍为例,探索在低碳背景下寒冷地区既有高校宿舍建筑被动节能改造的潜力,通过实地调研,建立基准模拟,并利用Grasshopper软件搭建参数化平台对基准模型外围护结构热工性能的被动式节能因素进行模拟分析,设计正交试验,模拟不同试验的建筑能耗,通过SPSS分析影响能耗的参数与能耗间的关系,从而确定每个参数对建筑能耗的影响程度,得出不同因素对于建筑能耗的敏感性。结果表明:外墙、屋顶、外窗等部位传热系数与采暖、制冷能耗均呈线性关系;节能优先级依次为:外墙、外窗、屋顶;仅通过改变外围护结构热工性能,最大节能潜力为61.9%,若想实现零能耗,需要使用高能效的主动式设备和最大化利用可再生能源。

基于ZigBee的智能楼宇节能系统的设计

本文针对楼宇能耗的问题,提出一种基于ZigBee技术的智能楼宇节能系统设计方案,该方案通过在楼宇内部署多个ZigBee节点,这些节点安装传感器对楼宇环境进行感知,中间件模块对无线传感器网络上传的数据进行分析,并实时做出反馈,调整楼宇的环境,减少楼宇不必要电能浪费,提高原型系统的稳定性和工作效率。

基于风环境优化的岭南高校教学组团形态布局设计研究

校园形态与环境舒适性的关系是校园建设的热门议题。探讨高校公共教学组团布局类型及关键设计要素与风环境评价指标的关系,目的在于为风环境导向下的公共教学组团空间形态控制提供思考路径。选取岭南地区54所建成高校公共教学组团作为研究对象,归纳总结组团布局类型,分析风环境相关设计要素(包括建筑朝向、建筑间距与围合形式),抽象高校公共教学组团理想模型,运用Phoenics软件进行夏季风环境模拟;设计单因子变量实验,分析不同因素与室外风环境的关联关系;对3个设计要素进行关联分析,探讨不同设计制约条件下的最优因素水平组合。结果显示,行列式布局在4种布局类型中室外风环境表现最优;当建筑根据地形呈斜向行列式布局时,组团室外风环境舒适性和空间感受较好;建筑间距与组团室外风环境呈正相关关系,但差异性较小;呈E型或S型围合的组团布局模式,连接体采用架空、挖洞等手法进行通透性处理,是兼顾室外风环境舒适性与空间需求的较优组团形式。

节能导向下办公建筑光伏系统研究

我国建筑能耗占全国总能耗的46%,而且占比持续增加。近年来,我国建筑能耗增速虽然放缓,但仍占能耗的主要部分。在能源危机和全球变暖背景下,节能建筑是顺应时代发展的正确选择。为发展节能建筑,提倡使用可再生资源,目前发现太阳能发电是促进建筑节能的有效手段。首先,文章进行概念阐述;其次,通过相关文献,分析建筑与光伏系统结合发展的现状和研究进展;最后,以办公建筑这种高能耗建筑为例,分析光伏系统与建筑的结合方式,使人们了解光伏系统与建筑结合能推动建筑节能,减少碳排放,进而加速实现我国碳中和。

改进BIM模型的高层办公建筑节能优化仿真

办公建筑节能优化时,若不能及时了解影响建筑能耗的影响因素,会直接降低建筑的节能优化效果,考虑上述因素提出一种基于BIM模型的办公建筑节能优化方法。建立办公建筑的BIM有限元模型,根据建立的模型对影响建筑能耗的影响因素展开具体分析;在BIM模型中导入DesignBuilder软件对影响因素参数实施模拟样本采集,实施样本训练并将训练好的回归函数作为建筑能耗优化的目标之一;在此基础上,引入建筑室内舒适度适应度函数作为另一优化目标,采用NSGA-II实施目标的优化,获取建筑节能优化目标的最优解,实现办公建筑的节能优化。仿真结果表明,使用该方法开展建筑节能优化时,优化效果好,有利于提升建筑节能效果。

基于建筑本源的绿色建筑通风形式设计研究与实践

基于建筑本源的绿色建筑设计方法是以建筑本源理论创作为基础,以绿色建筑的显性要素与隐性要素协同为出发点,以建筑师的建筑创作为视角,强化通过显性要素的绿色技术创作、地域性建构、设计节能等内容,最大限度地建构与挖掘绿色建筑本源创作基础,并基于此形成适宜的隐性要素关联匹配的绿色建筑创作新方法。讨论了一种基于建筑本源的绿色建筑通风形式设计研究,提出绿色建筑是具备生态意义的显性要素和隐性要素的集合,剖面、平面和层间3类的通风原型是一种显性要素基础性生态装置,而合院建筑的通风则是一种复杂形体下的上述通风原型的集合呈现。以上海市某合院建筑为例,在项目实践中对其通风形式设计进行探讨,具备了实际的示范意义,为相关项目的设计提供参考。

夏热冬冷地区办公建筑节能改造设计研究

本文主要探究了夏热冬冷地区某办公建筑的节能改造设计方案。调查发现,该办公建筑一天之中8-18时能耗较高;一年之中夏季能耗最高,冬季次之;空调能耗在总能耗中的占比最大。基于实用性和经济性原则,选择建筑围护结构进行了节能设计,外墙方面使用EPS保温板,屋顶设计成种植屋面,外窗改造成真空玻璃窗和双层玻璃幕墙。结果表明,相比于原建筑,使用节能设计方案后外墙、屋顶和外窗的传热系数均有大幅度的降低,使得建筑保温隔热性能明显提升,达到了节能降耗的效果。

建筑节能设计在工业建筑设计中的运用分析

对建筑工程项目节能设计的可行性进行分析,从水资源节约、土地资源节约、材料节约、保温节能、自然环境利用几方面对建筑节能设计在工业建筑设计中的运用表现进行阐述,并从总体布局设计和房区设计两方面对建筑节能设计在工业建筑设计中的运用途径进行分析探讨。

绿色建筑与建筑节能设计探究

为了全面提升绿色建筑工程项目施工质量,需要充分践行建筑节能环保的设计要求,发挥设计环节的优势,共同构建完整的建筑工程项目环保规划,对绿色建筑协同作业的优化予以支持,实现经济效益和环保效益和谐统一的目标。文章简要分析了绿色建筑与建筑节能设计技术内容,并结合案例对具体应用方案展开讨论。