| 摘要 |
PURPOSE:To obtain an economical heat exchanger by decreasing load at the time of exchanging of heat, by locating the heat absorbing side of a heat pipe unit on the upstream side, on one side of a heat exchanger unit, and the radiating side of a heat pipe unit on the downstream side, on the other side of a heat exchanger unit, as well as to provide a secondary heat exchanger unit on the upstream side. CONSTITUTION:The heat absorbing side 12a of a heat pipe unit 12 is located on the upstream side, on one side 11a of a heat exchanger unit 11, and the temperature in air is lowered down to the air temperature T1 from Tw, so that it is enough for heat exchangers 11 and 13 to cool the air down to the air temperature Tb from T1, and loading in exchanging of heat is divided between both heat exchangers. While the radiating side 12b of a heat pipe unit 12 is located on the downstream side, on the other side 11b of a heat exchanger unit 11, and the air is heated from the air temp. Tb up to T5, so that it is enough for a heater 10 to heat the air from the air temperature T5 up to Td. Accordingly loading by the heater 10 can remarkably be decreased; as a result, reduction of the capacity of a heater 10 can be realized.
|
