CAJ | 학술논문

本文介绍了结霜工况下冷风机的经济优化设计方法。在设计过程中，考虑了翅片表面结霜随着时间增长及其对传热和空气流动阻力的影响，肋片节距、除霜间隔时间对冷风机换热性能和年总费用的影响，为优化设计过程中蒸发温度、蒸发器的列数和排数的选取提供了理论依据。在以上分析的基础上，建立了相应的数学模型，并用C语言编制了优化设计程序进行模拟计算。
본문개소료결상공황하랭풍궤적경제우화설계방법。재설계과정중，고필료시편표면결상수착시간증장급기대전열화공기류동조력적영향，륵편절거、제상간격시간대랭풍궤환열성능화년총비용적영향，위우화설계과정중증발온도、증발기적렬수화배수적선취제공료이론의거。재이상분석적기출상，건립료상응적수학모형，병용C어언편제료우화설계정서진행모의계산。
A design and economic optimization of ammonia air-cooler under frosting condition is provided in this paper. The mathematics model has been set up, which based on the analyses of the effect of frost growth on K and △ pa, and effect of spacing of fins and the defrosted time on extended surface heat exchanger performance and the total annual expense. Major problem faced by refrigeration equipment is the deposition and progressive to build up of frost on the heat exchanger surfaces. The simulation calculation programming is designed with C-language.