作者: Akihiro Takemoto , Yasushi Hasegawa , Kazuki Wajima
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摘要: A control apparatus for a parallel-type chiller provided with multiple shell-and-tube-type heat exchangers and compressors, the having an estimation section which estimates terminal temperature difference in upstream-side space on basis of between saturation second fluid measured exit value, being estimated pressure value downstream-side space, first at exchanger, vicinity space.