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热泵除湿系统的数值模拟及实验研究 被引量:4

NUMERICAL AND EXPERIMENTAL INVESTIGATION ON HEAT PUMP DEHUMIDIFICATION SYSTEM
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摘要 新风独立的湿度控制系统可以有效地防止病毒的扩散。热泵除湿是新风独立系统中的一种高效的除湿方式。本文利用分布参数法建立了热泵除湿系统的数学模型,并且建立了热泵除湿实验台,开展实验验证所建立的数学模型。结果表明该模型能够比较精确地预测热泵除湿系统在高温高湿工况下的除湿性能。利用所建立的数学模型研究了空气温度,相对湿度,空气流量变化时,对该系统的除湿能力和COP的影响。模拟结果亦表明热泵除湿系统在高温高湿的条件下的除湿能力和COP都具有很强的鲁棒性。 An independent air dehumidification system is helpful for the control of epidemic respiratory disease.Heat pump dehumidification system is the key equipments to realize this goal. As a solution,a prototype is built in laboratory.A detailed model is proposed and a distribute parameter simulation technique is used in simulation to evaluate performances.The results indicate that the model can predict the system accurately.The effects of varying operating conditions like air flow rates,temperature,and air relative humidity on the air dehumidification rates and thermal coefficient of performance are evaluated.The performance of heat pump dehumidification system is rather robust to under hot and humid weather conditions.
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2010年第11期1813-1816,共4页 Journal of Engineering Thermophysics
基金 国家863计划(No.2008AA05Z206)
关键词 热泵 除湿 数值模拟 分布参数 heat pump dehumidification modelling distribution parameter
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