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Refrigerant composition determination method in which isenthalpic expansions are carried out for each of the refrigerant constituents and temperature and pressure measurements made for use in a mass enthalpy equation system
Refrigerant composition determination method in which isenthalpic expansions are carried out for each of the refrigerant constituents and temperature and pressure measurements made for use in a mass enthalpy equation system
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机译：对各制冷剂成分进行等焓膨胀并用于质量焓方程组的温度和压力测量的制冷剂组成确定方法
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摘要
Method for determining the composition of a circulating refrigerant has the following steps: realization of an isenthalpic expansion using an expansion unit; measurement of pressures and temperatures up- and downstream of the expansion unit; and repetition of the expansion and measurement steps for each refrigerant constituent. The measured pressures and temperatures are linked in a system of equations relating to the mass enthalpy of refrigerant. The solutions to the equations are found using a dichotomous method. An Independent claim is made for a system for determining the composition of a circulating refrigerant.
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