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换向时间     
相关语句
  switch time
     The Qualitative Analysis of the Relations between the Efficiency Estimating and the Switch Time of the Regenerative Heat Exchanger
     蓄热式热交换器效率评价与换向时间关系的定性分析
短句来源
     The switch time and the matter flow rate pass through the section area of the exchanger were approved to be the important facts influencing the efficiency of the regenerative heat exchanger of packed bed by the experiment,and the mathematical expression of the efficiency of the heat exchanger was proved to be more accurate in describing the relationship between the efficiency and the switch time of the heat exchanger.
     依据蓄热式热交换器的换热实验,证实了在结构一定时,换向时间和流经热交换器截面的流量,是影响蓄热式热交换器换热效率的两个重要因素; 研究得出的热交换器效率的计算式可较精确地描述效率和换向时间之间的定量关系。
短句来源
     The method to determining the optimal switch time of the regenerative heat exchanger was established by the partial differential equation analysing and the efficiency evaluating of the heat exchanger, with the premise of keeping the highest efficiency.
     通过对蓄热式热交换器内部传热方程的数学解析,利用求得的温度分布规律和热交换效率的评价方法,在热交换器效率最高的前提下,得出了关于热交换器最佳换向时间的确定方法。
短句来源
     The results show that: the switch time of air and the bulk of storage bed play important roles as regards its thermal performance characteristics.
     结果表明,空气的换向时间、蜂窝陶瓷蓄热体换热器的体积等是影响其温度效率和热回收率的重要因素.
短句来源
  exchange time
     The relation among exhaust gas temperature, exchange time and regeneration capacity of regenerator is analyzed.
     分析了传热系数受蓄热球填充层中气流速度和材质的影响及烟气的排放温度与换向时间、蓄热体蓄热 /放热能力的关系。
短句来源
     The temperature efficiency and thermal efficiency of regenerator are obtained. On the case of experiment, the suitable exchange time is about 60 s for corundum globule. The temperature efficiency is 83.6% and the thermal efficiency is 72. 8% for the highly efficient regeneratior.
     分析了蓄热体、换向时间等对烟气的排放温度和空气的预热温度的影响,得出了高效蓄热室温度效率和热效率.采用刚玉质小球的适宜换向时间为60 s,高效蓄热室的温度效率为83.6%,热效率为72.8%.
短句来源
     The relevant relations of regenerator medium,exchange time,temperature efficiency and thermal efficiency are analyzed by(numerical) simulation.
     通过数值模拟分析了蓄热体材质、换向时间、温度效率和热效率等的关联关系.
短句来源
     The authors study effects of exhaust gas temperature and air preheat temperature influenced by regenerator medium,exchange time etc. ,by numerical simulation and experiment. On the case,the suitable exchange time of corundum globule is about 60s,the suitabe exchange time of high aluminum and clay ceramic ball is 20~30 s.
     根据模拟计算结果进一步分析了蓄热体、换向时间等对废气的排放温度和空气的预热温度的影响,得出了本研究条件下,刚玉质小球的适宜换向时间为60 s左右,高铝质和粘土质小球的适宜换向时间为20~30 s.
短句来源
     The effects of exhaust gas temperature and air preheat temperature influenced by regenerator medium, exchange time etc. are studied by numerical simulation and experiment. On the case, the suitable exchange time: corundum globule is about 60s, high aluminum and clay ceramic ball are 20-30s.
     通过数值模拟和实验结果分析了蓄热体、换向时间等对废气的排放温度和空气的预热温度的影响,得出了本研究条件下,刚玉质小球的适宜换向时间为60s左右,高铝质和粘土质小球的适宜换向时间为20-30s。
  switching time
     switching time 60s, 90s, 120s and 360s.
     换向时间60秒、90秒、120秒、360秒;
短句来源
     The burner's ability is 1 MW ,with COG fuel, Switching time 73 seconds, the average output temperature of gas and air 110℃ and 1 110℃, and temperature efficiency and heat efficiency 92.47% and 90.8 % respectively. The burner uses double preheating with gas and oxygen.
     该燃烧系统燃烧能力为1.0MW,燃料采用焦炉煤气,蓄热体采用陶瓷球,燃烧器换向时间73s,烟气出口平均温度为110℃,预热空气出口平均温度为1110℃,蓄热室热效率和温度效率分别达到90.8%和92.47%。
短句来源
     And the variation of temperature with time was analyzed. In addition,the effects of some parameters such as switching time,gas temperature at the inlet of regenerator,height of regenerator and specific heat of the regenerative materials on heat saturating time were discussed. It provided primarily theoretic basis for further study of regenerative heat transfer mechanism.
     在计算流体力学数值分析软件基础上,运用数值方法模拟了陶瓷蜂窝蓄热体的蓄热换热过程,得到了蓄热体及气体的轴向温度分布曲线,分析了温度随时间的变化规律,同时讨论了换向时间、烟气入口温度、蓄热体高度、蓄热材料比热等参数对热饱和时间的影响,为进一步研究蓄热式换热机理提供了初步的理论依据.
短句来源
     Result shows that decreasing fluid rate and shortening switching time can decrease the temperature of the exhaust gas and increase the recovery rate of waste heat.The switching time has a considerable influence on the extrusion and tension stress of the surface of honeycomb regenerator.
     结果表明 :适当降低流过蓄热体的气体流速 ,缩短四通换向阀的切换时间 ,可降低烟气的出口温度 ,提高系统的余热回收率。 频繁的蓄热和释热过程变换 ,使蓄热体格孔壁面交替受到拉应力和挤压应力的作用 ,换向时间越短 ,应力交替作用的影响越大 ;
短句来源
     Establishment of the switching time of the regenerative heat exchanger
     蓄热式热交换器换向时间的确定
短句来源
更多       
  change-over time
     The temperature changing principle of span hole and the regenerator-top in a change-over time and coking period is measured and compared. So the relation equation of the flue and regenerator-top temperature is used as simulative flue temperature in the Optimizing Cascade Control System for the heating of coke ovens.
     通过对蓄顶温度与跨越孔温度随结焦时间与换向时间变化规律的测定与比较,最终选定蓄顶温度与火道温度相关方程作为OCC系统中的拟合火道温度。
短句来源

 

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  switch time
For an H+ ion energy of 14 MeV, the unit provides a rectangular scanning raster with a linear size of ±300 μm on the target and a minimal point-to-point switch time of 200 μs.
      
Optimization on temperature efficiency and switch time of thin-walled regenerator with perturbation analysis
      
The results show that there is a temperature efficiency peak and the corresponding optimal switch time.
      
Optimal switch time is directly proportional to the matrix thickness.
      
The solid heat conduction along the flow direction and the regenerator heat storage capacity of the unit volume have no impact on maximum temperature efficiency and optimal switch time.
      
更多          
  exchange time
This effect is caused by the finiteness of the interelectron energy exchange time during the laser action.
      
The overlap integral between the optical field distribution and the stress distribution can be enhanced simply by prolonging the proton-exchange time.
      
With all latices the hydrogen-metal ion exchange tends to be a complete one provided this process is given a sufficiently long exchange time.
      
At a luminal perfusion rate of 40 nl/min, the lag time was some 20 sec and 80 % fluid exchange time some 3 sec.
      
Variability in water-exchange time between Tokyo Bay and the Pacific Ocean during winter is investigated based on the results of intensive field observation from November 2000 to March 2001.
      
更多          
  switching time
The switching time is ≤600 ns with current control and ≤50 ns with the microwave power modulation.
      
It is found that stochastic resonance is observed under slow (compared with the Kramers switching time) dichotomic noise and the signal-to-noise ratio (SNR) has a maximum for a noise amplitude equal to static bias.
      
Switching time dispersion and retention of bistable states in Langmuir-Blodgett ferroelectric films
      
Ultrafast switching of optical nonlinearity in molecular aggregates with a typical switching time of about 450 fs is demonstrated.
      
The use of several loops makes it possible to significantly reduce energy expenditures on switching and to reduce the switching time by approximately a factor of 10.
      
更多          
  turnaround time
A numerical example is provided to demonstrate how the technique can be used in an actual production setting to improve the overall order turnaround time.
      
A numerical example is provided to demonstrate how the technique can be used in an actual production setting to improve the overall order turnaround time.
      
It pays high attention to turnaround time and less attention to resource utilization.
      
Due to the fact that the model does not employ flux adjustments and has a fast turnaround time, it can be used to study climates significantly different from the present one and to perform long-term (multimillennia) simulations.
      
The fabrication of X-ray masks using commercially available graphite sheet stock, as a mask membrane is one approach that is designed to reduce cost and turnaround time.
      
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