Leakage and Thermal Characterisation of Canted Labyrinth Seals

Leakage and Thermal Characterisation of Canted Labyrinth Seals

Mohana Rao

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Dr. Manzoor Husain

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Leakage and Thermal Characterisation of Canted Labyrinth Seals

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Abstract

Labyrinth seals are the simple and most commonly used rotating seal in cold (compressor) and hot (turbine) regions of gas turbine engines. In order to achieve successful engine design estimating accurate leakage flow rates, windage heating and heat transfer coefficients are critical for rotor dynamic stability. The windage effect inside the flow creates direct loss of power also increase fluid temperature. In this paper numerical simulation of a canted stepped labyrinth seal is performed using commercial Fluent CFD code with 2D axisymmetric is used to study leakage flow and windage heating for various seal clearances for solid (smooth) stator land geometry. The 2D model is subsequently used to determine average heat transfer coefficients on the rotor and stator for heating and cooling situations.

References

8 Cites in Article

Reference Format

J Denecke,K Dullenkopf,S Wittig,H-J Bauer (2009). Experimental Investigation of the Total Temperature Increase and Swirl Development in Rotating Labyrinth Seals.
J Millward,M Edwards (1996). Windage Heating of Air Passing Through Labyrinth Seals.
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R Buggeln,H Mcdonald (2008). Development of Navire-strokes analysis for Labyrinth seals.
L Donald,Thomas Tipton,Rodney Scott,Vogel (2013). Analytical and Experimental Development of a Design Model for Labyrinth Seals.
Piotr Lampart,Sergey Yershov,Andrey Rusanov,Mariusz Szymaniak (2000). Tip leakage / Main flow interactions in multi-stage HP Turbines with shortheight blading.
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Galina Ilieva (2016). Labyrinth Seals -A Promising and Effective Design.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Mohana Rao. 2018. \u201cLeakage and Thermal Characterisation of Canted Labyrinth Seals\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 17 (GJRE Volume 17 Issue A7).

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GJRE Volume 17 Issue A7

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-A Classification FOR Code: 091399p

Submission ReceivedDecember 8, 2016
Peer Review Double Blind
Handling Editor
Accepted January 5, 2017
Published January 15, 2017

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v1.2

Issue date

January 22, 2018

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Article Matrices

Total Score: 107

Country: India

Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics

Authors: Mohana Rao, Dr. Manzoor Husain (PhD/Dr. count: 1)

View Count (all-time): 245

Total Views (Real + Logic): 3362

Total Downloads (simulated): 1747

Publish Date: 2018 01, Mon

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Total Views: 3362

Total Downloads: 1747

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