In order to design the inner and outer ring capacitance sensor used in measuring the correlation velocity of two phase flow and optimize its structure,the sensitivity characteristics of inner and outer ring capacitanc...In order to design the inner and outer ring capacitance sensor used in measuring the correlation velocity of two phase flow and optimize its structure,the sensitivity characteristics of inner and outer ring capacitance sensor were analyzed by using finite element simulation.The simulation experiment was planned by using orthogonal experimental design.From the simulation result,the major factors influencing the sensitivity characteristics(relative sensitivity and uniformity error) were obtained.The degree and tendency of influence of each factor on the sensitivity characteristics were given.The structural parameters of the sensor were determined.The analysis provided the theoretical basis for the inner and outer ring capacitance sensor.展开更多
Crystalline@amorphous NiCo_(2)S_(4)@MoS_(2)(v-NCS@MS)nanostructures were designed and constructed via an ethylene glycol-induced strategy with hydrothermal synthesis and solvothermal method,which simultaneously realiz...Crystalline@amorphous NiCo_(2)S_(4)@MoS_(2)(v-NCS@MS)nanostructures were designed and constructed via an ethylene glycol-induced strategy with hydrothermal synthesis and solvothermal method,which simultaneously realized the defect regulation of crystal NiCo_(2)S_(4) in the core.Taking advantage of the flexible protection of an amor-phous shell and the high capacity of a conductive core with defects,the v-NCS@MS electrode exhibited high specif-ic capacity(1034 mAh·g^(-1) at 1 A·g^(-1))and outstanding rate capability.Moreover,a hybrid supercapacitor was assembled with v-NCS@MS as cathode and activated carbon(AC)as anode,which can achieve remarkably high specific energy of 111 Wh·kg^(-1) at a specific power of 219 W·kg^(-1) and outstanding capacity retention of 80.5%after 15000 cycling at different current densities.展开更多
文摘In order to design the inner and outer ring capacitance sensor used in measuring the correlation velocity of two phase flow and optimize its structure,the sensitivity characteristics of inner and outer ring capacitance sensor were analyzed by using finite element simulation.The simulation experiment was planned by using orthogonal experimental design.From the simulation result,the major factors influencing the sensitivity characteristics(relative sensitivity and uniformity error) were obtained.The degree and tendency of influence of each factor on the sensitivity characteristics were given.The structural parameters of the sensor were determined.The analysis provided the theoretical basis for the inner and outer ring capacitance sensor.
文摘Crystalline@amorphous NiCo_(2)S_(4)@MoS_(2)(v-NCS@MS)nanostructures were designed and constructed via an ethylene glycol-induced strategy with hydrothermal synthesis and solvothermal method,which simultaneously realized the defect regulation of crystal NiCo_(2)S_(4) in the core.Taking advantage of the flexible protection of an amor-phous shell and the high capacity of a conductive core with defects,the v-NCS@MS electrode exhibited high specif-ic capacity(1034 mAh·g^(-1) at 1 A·g^(-1))and outstanding rate capability.Moreover,a hybrid supercapacitor was assembled with v-NCS@MS as cathode and activated carbon(AC)as anode,which can achieve remarkably high specific energy of 111 Wh·kg^(-1) at a specific power of 219 W·kg^(-1) and outstanding capacity retention of 80.5%after 15000 cycling at different current densities.
