刮削法冰浆制备系统的热力学分析与优化
Thermodynamic Analysis and Optimization of the Skiving Ice Slurry Preparation System
DOI: 10.12677/JSTA.2021.93018, PDF,   
作者: 巫成真*, 方 甫*, 宁一霖*：华北水利水电大学机械学院，河南 郑州；高玉国#：华北水利水电大学机械学院，河南 郑州；华北水利水电大学，河南省新能源车辆热流电化学系统国际联合实验室，河南 郑州
关键词: 刮削法；热力学分析；?效率；单因素；正交实验； Scraping Method； Thermodynamic Analysis； Exergy Efficiency； Single Factor； Orthogonal Experiment
摘要: 为了提高刮削法制冰系统的制冷系数和㶲效率，本文基于热力学定律对刮削法制冰系统进行热力学分析，研究了制冷剂种类、冷凝温度、环境温度以及蒸发温度等因素对刮削法制冰系统的影响。通过单因素实验设计计算系统的㶲损系数和㶲效率，可以通过降低冷凝温度、提高蒸发温度以及更换高效制冷剂NCUR01来提高系统的效率，来达到优化系统的目的。同时设计四因素三水平的正交实验进行极差分析，得到这四个因素对实验结果影响的主次顺序为：制冷剂种类、冷凝温度、蒸发温度、环境温度，制冷剂种类对目标值有最为显著的影响。在制冷剂工质为NCUR01，冷凝温度为10℃，环境温度为12℃，蒸发温度为−5℃时，系统的制冷系数ε = 4.97和㶲效率h = 47.1%达到最优值，制冷剂种类对目标值有最为显著的影响。通过本研究，可以得到各因素对系统影响的规律，选择合理的实验方案，为系统的优化设计提供指导。
Abstract: In order to improve the coefficient of refrigeration and exergy efficiency of the scraping ice-making system, this paper conducts a thermodynamic analysis of the scraping ice-making system based on the law of thermodynamics, and studies the influences of type of refrigerant, condensation temperature, ambient temperature, and evaporating temperature on the ice scraping system. The exergy loss coefficient and exergy efficiency of the system are calculated through single-factor experimental design. The efficiency of the system can be improved by reducing the condensation temperature, increasing the evaporation temperature and replacing the high-efficiency refrigerant NCUR01 to achieve the purpose of optimizing the system. At the same time, a four-factor and three-level orthogonal experiment was designed for range analysis, and the order of the four factors’ influence on the experimental results was as follows: refrigerant type, condensation temperature, evaporating temperature, ambient temperature; and the type of refrigerant has the most significant effect on the target value. When the refrigerant is NCUR01, the condensation temperature is 10℃, the ambient temperature is 12℃, and the evaporation temperature is −5℃, the system’s refrigeration coefficient ε = 4.97 and efficiency η = 47.1%, which reach the optimal value. The type of refrigerant has the most significant effect on the target value. Through this research, we can get the law of the influence of various factors on the system, choose a reasonable experimental plan, and provide guidance for the optimal design of the system.
文章引用：巫成真, 方甫, 宁一霖, 高玉国. 刮削法冰浆制备系统的热力学分析与优化[J]. 传感器技术与应用, 2021, 9(3): 141-152. https://doi.org/10.12677/JSTA.2021.93018

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