Universal Method for Determination of Leakage in Labyrinth Seal

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Joachimiak d.

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Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED FLUID MECHANICS (JAFM) Year:2020 | Volume:13 | Issue:3 Page(s): 935-943

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Information Journal Paper

Title

Universal Method for Determination of Leakage in Labyrinth Seal

Author(s)

Joachimiak d. | Issue Writer Certificate

Keywords

Labyrinth seal

Leakage

Calculation model

Experiment

Flow coefficient

Kinetic energy carryover

Abstract

This paper presents Calculation model enabling determination of the Leakage rate in Labyrinth seals. Described model is based on the Saint-Venant equation. It includes a new type of Flow coefficient, which was determined based on Experimental tests and described depending on the Reynolds number and the radial clearance. The structure of this Calculation model can be applied to determine the Leakage rate in straight through, staggered Labyrinth seals as well as with various number of clearances. This model enables determining distribution of thermodynamic and flow parameters of the gas along the seal length. Results obtained from this model were next compared with Experimental data for various types of seals. It enabled determination of kinetic energy carry-over coefficient in geometries under investigation. The value of this coefficient was then compared with the value of the coefficient from the Scharrer’ s, Neumann’ s and Hodkinson’ s models. Obtained results indicate that the value of the kinetic energy carry-over coefficient depends not only on the seal geometry, but also on the pressure decrease.

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APA: Copy

Joachimiak, d.. (2020). Universal Method for Determination of Leakage in Labyrinth Seal. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 13(3), 935-943. SID. https://sid.ir/paper/308411/en

Vancouver: Copy

Joachimiak d.. Universal Method for Determination of Leakage in Labyrinth Seal. JOURNAL OF APPLIED FLUID MECHANICS (JAFM)[Internet]. 2020;13(3):935-943. Available from: https://sid.ir/paper/308411/en

IEEE: Copy

d. Joachimiak, “Universal Method for Determination of Leakage in Labyrinth Seal,” JOURNAL OF APPLIED FLUID MECHANICS (JAFM), vol. 13, no. 3, pp. 935–943, 2020, [Online]. Available: https://sid.ir/paper/308411/en

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