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22385

Pressure Loss Reduction in U-Bend Using the Adjoint Method

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Last updated: 04 Jan 2025

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Abstract

Gas turbine blades are usually cooled by air, which flows through internal passages serpentine shaped, coming from a high pressure compressor to save it from the high temperature. Using 180 degree turns to connect internal paths led to high pressure loss in the cooling system. The purpose of this study is reducing the pressure loss using the adjoint solver method to get the optimum shape of U-shaped paths with and without guide vane (GV). Using three different cases with three different regions of modifications. The optimized shapes showed a reduction in the pressure loss up to 60% in the case of U-bend without guide vanes.

DOI

10.21608/asat.2017.22385

Keywords

U-Bend, Pressure loss, Adjoint method, Shape optimization

Authors

First Name

Ahmed

Last Name

Osama

MiddleName

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Affiliation

Demonstrator, Mechanical Power Engineering Department, Faculty of Engineering-Mataria, Helwan University, Masaken El-Helmia P.O., Cairo 11718, Egypt.

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First Name

Khairy

Last Name

Elsayed

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Affiliation

Assistant professor, Mechanical Power Engineering Department, Faculty of Engineering- Mataria, Helwan University, Masaken El-Helmia P.O., Cairo 11718, Egypt.

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First Name

Mohamed

Last Name

El-Telbany

MiddleName

M.

Affiliation

Professor, Mechanical Power Engineering Department, Faculty of Engineering- Mataria, Helwan University, Masaken El-Helmia P.O., Cairo 11718, Egypt.

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Volume

17

Article Issue

AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 17 – April 11 - 13, 2017

Related Issue

4266

Issue Date

2017-04-01

Receive Date

2018-12-19

Publish Date

2017-04-01

Page Start

1

Page End

15

Print ISSN

2090-0678

Online ISSN

2636-364X

Article File

ASAT_Volume 17_Issue AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 17 &nd….pdf

PDF . 1.4MB

Link

https://asat.journals.ekb.eg/article_22385.html

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https://asat.journals.ekb.eg/service?article_code=22385

Order

23

Type

Original Article

Type Code

737

Publication Type

Journal

Publication Title

International Conference on Aerospace Sciences and Aviation Technology

Publication Link

https://asat.journals.ekb.eg/

MainTitle

Pressure Loss Reduction in U-Bend Using the Adjoint Method

Details

Type

Article

Created At

22 Jan 2023