复叠式制冷循环软件设计及应用
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摘要
设计了一款由Matlab中GUI界面开发研制的制冷软件,包括参数输入,制冷环境、界面互换,焓值检测以及结果显示五个窗口界面。该制冷软件,基于蒸发式压缩制冷循环原理,对复叠式制冷系统进行分析,根据蒸发温度,冷凝温度,制冷量确定压缩机功率,得出系统COP。同时,根据环境计算所需制冷量,并应用于恒温恒湿试验箱。通过实际制冷循环对比,发现计算结果与实际值的误差小于5%,从而证明软件的准确性。
A refrigeration software was developed by the GUI interface in matlab,including parameter input,cooling environment,interface interchange,threshold detection and results display five window interfaces.The refrigeration software,based on the principle of the evaporative compression refrigeration cycle,determined the compressor power based on the evaporation temperature,the condensation temperature,and the cooling capacity and obtains the system COP.At the same time,the required cooling capacity was calculated according to the environment and applied to the constant temperature and humidity test chamber.Through the comparison of the actual refrigeration cycle,it is found that the error between the calculated result and the actual value is less than 5%,thus proving the accuracy of the software.
A refrigeration software was developed by the GUI interface in matlab,including parameter input,cooling environment,interface interchange,threshold detection and results display five window interfaces.The refrigeration software,based on the principle of the evaporative compression refrigeration cycle,determined the compressor power based on the evaporation temperature,the condensation temperature,and the cooling capacity and obtains the system COP.At the same time,the required cooling capacity was calculated according to the environment and applied to the constant temperature and humidity test chamber.Through the comparison of the actual refrigeration cycle,it is found that the error between the calculated result and the actual value is less than 5%,thus proving the accuracy of the software.
引文
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[2]赵波,杨善让,张辉,等.复合制冷循环间接空冷系统变工况特性分析[J].中国电机工程学报,2014,34(20):3308-3316.
[3]宁静红,刘圣春.高温气体与过冷液直接接触凝结制冷循环的性能分析[J].化工学报,2018(4).
[4]查世彤,马一太,王景刚,等.C02-NH3低温复叠式制冷循环的热力学分析与比较[J].制冷学报,2002(2):15-19.
[5]马一太,宁静红,陈启,等.自然工质复叠式制冷循环替代与节能研究[J].节能技术,2005,23(4):309-311.
[6]孙洲阳,王如竹,周泽,等.科学计算软件MATLAB在制冷空调领域的若干应用[C]//制冷空调新技术研讨会.2005.
[7]赖艳华,董震,邵长波,等.R404A与CO2复叠式制冷系统的热力学分析与优化[J].山东大学学报(工学版),2011,41(2):149-153.
[8]谢钦.专用的制冷系统计算软件设计[J].流体机械,2013,41(4):75-80.
[9]PAREKH A D,TAILOR P R,JIVANRAMAJIWALA HR.Optimization of R507A-R23 cascade refrigeration system using genetic algorithm[J].World Academy of Science Engineering&Technology,2010,16(16):318-21.
[10]俞彬彬,王丹东,陈江平.出口过热度对CO2微通道蒸发器性能的影响[J].制冷学报,2018(3).
[11]王超,陶乐仁,杨丽辉,等.制冷系统湿压缩时吸气干度控制方法的实验研究[J].制冷学报,2017,38(2):34-39.
[12]王智明,季红莉,张术学.R404A/R23复叠制冷机组设计中的几个关键问题[J].制冷与空调,2006,6(2):55-56.