ISMT is an idealway for data center free cooling. Considering the
problems of existing ISMT, a new ISMT is proposed in this paper. It
includes two circulation loops: a refrigeration loop and a thermosyphon
loop. A three-fluid heat exchanger is used to connect the
two loops. The new ISMT is more reliable and convenient for
application compared to existing ones.
The performance is experimentally investigated and the annual
energy-saving rate is calculated. The main results are summarized
as follows:
1) The cooling capacity