Conference proceeding
Effects of the Inertance Tube Length and Diameter on Pulse Tube Refrigerator Performance
12TH CRYOGENICS 2012 IIR INTERNATIONAL CONFERENCE, Vol.2012(4), pp.114-119
Refrigeration Science and Technology
01 Jan 2012
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A numerical study is reported here for the investigation of the effects of the inertance tube length and diameter on the performance of a single stage inertance pulse tube refrigerator (IPTR). A detailed time-dependent axisymmetric computational fluid dynamic (CFD) model of an IPTR is used to predict its performance. In the CFD model, the continuity, momentum and energy equations are solved for both the refrigerant gas (helium) and the porous media regions (the regenerator and the three heat-exchangers). The resultant flow fields (pressure, velocity and temperature) are used to study the phase relationships between the pressure and the mass flow in the regenerator, pulse tube and inertance tube regions and the performance of the system. The effects of the length and diameter of the inertance tube on these phase relationships and the effect of the inertance on the system performance are also investigated. The predictions compare well with previously published theory and results. The CFD model offers an accurate and economical alternative to design of efficient pulse tube refrigeration systems.
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Details
- Title
- Effects of the Inertance Tube Length and Diameter on Pulse Tube Refrigerator Performance
- Creators
- B. Farouk - Drexel UniversityD. S. Antao - Drexel Univ, Dept Mech Engn & Mech, Philadelphia, PA 19104 USAIcaris Ltd
- Publication Details
- 12TH CRYOGENICS 2012 IIR INTERNATIONAL CONFERENCE, Vol.2012(4), pp.114-119
- Series
- Refrigeration Science and Technology
- Publisher
- Int Inst Refrigeration
- Number of pages
- 6
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Identifiers
- 991019170394204721
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- Thermodynamics