The power characteristics of a helical screw expander during its isentropicexpansion was studied in detail with the concept of expansion ratio of peak power being proposed.
本文探讨了以汽水混合物为工质的螺杆膨胀机的定熵膨胀功率特性，提出了峰值功率膨胀比的概念。
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The influence of liquid quantity carried out from the exit of expansion machine upon its isentropic efficiency is emphatically discussed in this paper.