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- W2320161736 abstract "Vortex tube is a simple energy separating device which is compact, simple to produce and to operate. Although intensive research has been carried out in many countries over the years, the mechanism producing the temperature separation phenomenon as a gas or vapor passes through a Ranque-Hilsch vortex tube is not yet fully understood. Numerical simulation of 3D compressible turbulent flow was made using FLUENT software. The temperature distribution in vortex chamber was obtained by numerical simulation and a new explain of vortex tube energy separation mechanism was proposed. A new nozzle with equal gradient of Mach number and a new intake flow passage of nozzles with equal flow velocity were designed and developed to reduce the flow loss. A new kind of rectifier invented by us was installed at the end of the outlet of vortex tube, used for reducing friction loss of air flow energy, which can greatly improve the performance of vortex tube. The experiment results indicated that these modifications can remarkably improve the performance of vortex tube. The developed vortex tube made by us is not only superior to the conventional vortex tube but also is superior to that made in the United States of the same type under big cold mass flow ratio. Nomenclature cp specific heat capacity T temperature ΔT temperature difference ηc cold air mass ratio c cold gas exit q cooling rate per unit mass V velocity x,y rectangular coordinates i inlet gas of vortex tube h hot gas exit" @default.
- W2320161736 created "2016-06-24" @default.
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- W2320161736 date "2006-01-01" @default.
- W2320161736 modified "2023-09-24" @default.
- W2320161736 title "EXPERIMENTAL RESEARCH ON VORTEX TUBE" @default.
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- W2320161736 doi "https://doi.org/10.1615/ihtc13.p24.20" @default.
- W2320161736 hasPublicationYear "2006" @default.
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