发布时间：2025-04-30

论文名称：Comparison of independent and synchronous opening control strategies of two air-dampers in three-temperature frost-free refrigerator

发表刊物：Applied Thermal Engineering

摘要：The three-temperature frost-free refrigerator has a variable-temperature (5
C to 18
C) compartment
(VC) besides regular refrigerating compartment (RC) and freezing compartment (FC). The air cooled by
the evaporator always flows into FC during compressor-on period, but into RC and VC through their
respective air-damper controlled by their temperature sensors. The effect of RC and VC air-damper control
strategy on the refrigerator performance was studied experimentally in this paper. Experimental
results show that the FC average temperature could not decrease during air-damper opening period.
The main reason was that the evaporator supply-air temperature increased due to higher RC and VC
return-air temperature, and up to higher than the FC average temperature. Then, the compressor-on time
ratio during on/off cycle was increased. Meanwhile, the compressor input power would be also increased
with higher evaporating temperature. The independent and synchronous opening control strategies for
RC and VC air damper were compared experimentally. The synchronous opening control shortened the
overall time of air-damper opening by 16.7% compared with the independent control since the RC and
VC opening time overlapped with each other. Finally, the refrigerator energy consumption decreased
by 3.1% while average temperatures of RC, VC and FC stayed almost unchanged, attributed to the decrease
in the compressor-on time ratio and the average compressor input power of the refrigerator.

合写作者：张振亚，黄东，石丽华，迟丽华

卷号：2018 (128)

页面范围：127-133

是否译文：否

发表时间：2017-12-05