带闪发器的中间补气型热泵系统稳态仿真模型

doi:10.11949/j.issn.0438-1157.20181117

化工学报 ›› 2018, Vol. 69 ›› Issue (S2): 260-265.DOI: 10.11949/j.issn.0438-1157.20181117

带闪发器的中间补气型热泵系统稳态仿真模型

孙浩然¹, 胡海涛¹, 李浩¹, 丁国良¹, 吴成云², 王旭阳², 吕中原²

1 上海交通大学制冷与低温工程研究所, 上海 200240;
2 上海飞机设计研究院, 上海 201210

收稿日期:2018-10-08 修回日期:2018-10-18 出版日期:2018-12-31 发布日期:2018-12-31
通讯作者: 胡海涛
基金资助:
上海市产业转型升级发展专项资金项目（GYQJ-2017-5-09）。

Steady-state simulation model of vapor-injected heat pump systems with flash tank

SUN Haoran¹, HU Haitao¹, LI Hao¹, DING Guoliang¹, WU Chengyun², WANG Xuyang², LYU Zhongyuan²

1 Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China;
2 Shanghai Aircraft Design and Research Institute, Shanghai 201210, China

Received:2018-10-08 Revised:2018-10-18 Online:2018-12-31 Published:2018-12-31
Supported by:
supported by the Special Foundation for Industrial Transformation, Upgrading and Development of Shanghai (GYQJ-2017-5-09).

摘要/Abstract

摘要：

开发了带闪发器的中间补气型热泵系统的稳态仿真模型。在模型中，通过建立基于理论的显式表达式，开发了补气压缩机性能计算模型；采用分相区计算方法，建立了能够反映相区特点的换热器性能计算模型；并开发了基于顺序模块的系统迭代算法对各部件模型进行求解。验证表明，压缩机模型对于流量和功率的计算误差分别小于±7%和±5%；换热器模型对于换热量和压降的计算误差分别小于±3%和±4%。与传统热泵系统相比，在室外温度为−20℃的低温工况下，带闪发器的中间补气型热泵系统制热量提升18.9 %。

Abstract:

A steady-state simulation model of vapor injection heat pump systems with flash tank is developed. In the model, the vapor-injected compressor model is developed by establishing the theory-based explicit equations; the heat exchanger model is established using multi-zone method to reflect the characteristics of each phase zone; and a system iteration algorithm based on sequential module method is developed to solve the component models. The validation results show that, for the compressor model, the deviations of the mass flow rate and input power are within ±7% and ±5%, respectively; for the heat exchanger model, the deviations of the heat capacity and pressure drop are within ±3% and ±4%, respectively. Compared to the traditional heat pump system, the heat capacity is increased by 18.9% when the outdoor temperature is -20℃.

中图分类号:

TB66

孙浩然, 胡海涛, 李浩, 丁国良, 吴成云, 王旭阳, 吕中原. 带闪发器的中间补气型热泵系统稳态仿真模型[J]. 化工学报, 2018, 69(S2): 260-265.

SUN Haoran, HU Haitao, LI Hao, DING Guoliang, WU Chengyun, WANG Xuyang, LYU Zhongyuan. Steady-state simulation model of vapor-injected heat pump systems with flash tank[J]. CIESC Journal, 2018, 69(S2): 260-265.

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带闪发器的中间补气型热泵系统稳态仿真模型

Steady-state simulation model of vapor-injected heat pump systems with flash tank

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