Oscillating Flow Characteristics of a Regenerator under Low Temperature Conditions
Oscillating Flow Characteristics of a Regenerator under Low Temperature Conditions
- Neue Suche nach: Yuan, K.
- Neue Suche nach: Wang, L.
- Neue Suche nach: Hou, Y.K.
- Neue Suche nach: Zhou, Y.
- Neue Suche nach: Liang, J.T.
- Neue Suche nach: Ju, Y.L.
- Neue Suche nach: Yuan, K.
- Neue Suche nach: Wang, L.
- Neue Suche nach: Hou, Y.K.
- Neue Suche nach: Zhou, Y.
- Neue Suche nach: Liang, J.T.
- Neue Suche nach: Ju, Y.L.
Abstract An experimental system was designed and constructed to investigate the oscillating flow characteristics of a regenerator under low temperatures. Experimental data on the pressure drops of a regenerator subject to oscillating flow under low-temperature conditions have been obtained. It is found that the value of the cycle-averaged pressure drop of the oscillating flow in the regenerator under liquid nitrogen temperatures is 5~6 times higher than that of a steady flow at the same Reynolds number based on the cross-sectional mean velocity. A correlation equation for the friction factor at liquid nitrogen temperatures has been obtained, and a comparison is made with that obtained at ambient temperatures. Because the test conditions are very close to the operating conditions of practical high frequency cryocoolers, the experimental data should be useful for the prediction of performance and design of cryogenic regenerators.
Dokumentinformationen
Oscillating Flow Characteristics of a Regenerator under Low Temperature Conditions
Cryocoolers 12 ; 539-545
2003-01-01
7 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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