F - Mech Eng,Light,Heat,Weapons – 28 – B
Patent
F - Mech Eng,Light,Heat,Weapons
28
B
354/23
F28B 11/00 (2006.01) F28G 1/12 (2006.01) G05B 15/02 (2006.01) G06F 15/00 (2006.01)
Patent
CA 1152215
ABSTRACT OF THE INVENTION A method of watching the performance of a condenser and a system for carrying such method into practice, wherein a cooling water temperature, a cooling water flow rate, a condenser temperature and/or a heat flux through walls of cooling water tubes of the condenser are sensed by sensors to obtain values representing the operating conditions of the condenser, and an overall heat transmission coefficient or a heat transfer rate of the cooling water tubes is calculated at an arithmetic unit from the values representing the operating conditions. A cleanness of the cooling water tubes is calculated by an arithmetic unit from the value of the overall heat transmission coefficient or the heat transfer rate, and the performance of the condenser is judged by a performance judging unit based on the cleanness of the cooling water tubes.
365764
Miyai Masahiko
Mukai Yasuteru
Okouchi Isao
Otake Katsumoto
Hitachi Ltd.
Kirby Eades Gale Baker
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