SIMULATION IN TRANSIENT REGIME OF A HEAT-PUMP WITH CLOSED-LOOP AND ON OFF CONTROL

被引:58
|
作者
VARGAS, JVC
PARISE, JAR
机构
[1] DUKE UNIV,DEPT MECH ENGN & MAT SCI,DURHAM,NC 27708
[2] PONTIFICIA UNIV CATOLICA RIO DE JANEIRO,DEPT MECH ENGN,BR-22453900 RIO JANEIRO,RJ,BRAZIL
关键词
HEAT PUMPS; COMPRESSION; CONTROL; ON OFF CONTROL; COMPARISON; ENERGY SAVING;
D O I
10.1016/0140-7007(95)96862-Z
中图分类号
O414.1 [热力学];
学科分类号
摘要
The present work introduces a mathematical model for a heat pump with a variable-speed compressor, driven by a d.c. servomotor, operating either in closed loop by a power law control action or by the traditional on-off basis. The resulting differential and algebraic equations are integrated in time for a specified period of simulation in both designs. The results show that the closed-loop system presents significant savings in energy consumption when compared with the on-off system, under the same environmental conditions.
引用
收藏
页码:235 / 243
页数:9
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