Experiment platform for fluid thermophysical property measurement

Abstract

The invention relates to the fluid thermophysical research field, in particular to the experimental measuring field of fluid thermophysical performance and discloses an experimental platform for the fluid thermophysical measurement. The platform comprises a computer, a constant temperature experimental environment and pressure control system controlled by the computer and a temperature measuring system which is used for fluid to be measured in a thermophysical experiment. The temperature measuring signal is input into the computer. The experimental platform is characterized in that the constant temperature experimental environment comprises a groove body which is filled with constant temperature medium, a heating device for providing energy to the constant temperature medium, a cooling device for providing cold energy to the constant temperature medium, a temperature detection device used for the constant temperature medium and a heat balance control device. The temperature detection device provides the temperature information of the constant temperature medium to the computer. The computer generates decision information to be input into the heat balance control device. And the heat balance control device controls the heating device and the cooling device to provide heat energy or cold energy to the constant temperature medium.

Description

technical field [0001] The invention relates to the field of fluid thermophysics research, in particular to the field of experimental measurement of fluid thermophysical properties, in particular to an experimental platform for fluid thermophysical property measurement. Background technique [0002] The thermophysical properties of fluids are indispensable basic parameters for many scientific research and engineering design fields, especially in the fields of energy, power, refrigeration and chemical industry. all play an important role. Therefore, obtaining fluid thermophysical property data that meets the requirements of users is always a problem surrounded and concerned by thermophysical property researchers. In particular, a large number of original research in the field of engineering thermophysics, such as clean vehicle fuel, new power, refrigeration and heat pump cycle, hydrogen energy and solar energy utilization, functional fluid enhanced heat transfer, waste treat...

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Problems solved by technology

[0004] In addition, as far as the current status of experimental research on fluid thermophysical properties is concerned, it is still in a semi-automatic or manual state, which requires a lot of manpower and material resources in the experimental process, and the measurement period is very long, which obviously cannot meet the needs of the current industry and other fields. There is a large demand for thermophysical property data of new working fluids

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