Effect of twisted tape inserts and stacks on internal cooling of gas turbine blades

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objectives: In gas turbine blades, heat transfer can be enhanced by using twisted tape inserts and stacks. In the present paper, we proposed cooling effect of a gas turbine blade can be improved by using suitable twisted tape inserts and stack configurations. A Comparative study between this type and the twisted tape without stack configurations was performed. Methods/Statistical Analysis: Simulations are carried out for different width ratios of twisted tape with and without using stack configurations. Computation results showed that by using twisted tape inserts of width ratio (W) = 0.3 with stack configurations, provides better cooling effect compared to the others. Findings: Without using the stack Configurations, blade temperature is decreased by 34% at the leading edge and 21.2% at the trailing edge for W = 0.3. By using stack configurations, the blade temperature is decreased by 50.7% at the leading edge and 48% at the trailing edge for W = 0.3. Application/Improvements: All these demonstrated that cooling effect of gas turbine blade especially at the trailing edge can be enhanced with suitable twisted tape and insert and stack configurations.

Original languageEnglish
Article number95978
JournalIndian Journal of Science and Technology
Volume9
Issue number31
DOIs
Publication statusPublished - 01-01-2016

Fingerprint

Die casting inserts
Tapes
Turbomachine blades
Gas turbines
Cooling
Statistical methods
Heat transfer
Temperature

All Science Journal Classification (ASJC) codes

  • General

Cite this

@article{889b3b93f78e4da0be28be37c98b2549,
title = "Effect of twisted tape inserts and stacks on internal cooling of gas turbine blades",
abstract = "Objectives: In gas turbine blades, heat transfer can be enhanced by using twisted tape inserts and stacks. In the present paper, we proposed cooling effect of a gas turbine blade can be improved by using suitable twisted tape inserts and stack configurations. A Comparative study between this type and the twisted tape without stack configurations was performed. Methods/Statistical Analysis: Simulations are carried out for different width ratios of twisted tape with and without using stack configurations. Computation results showed that by using twisted tape inserts of width ratio (W) = 0.3 with stack configurations, provides better cooling effect compared to the others. Findings: Without using the stack Configurations, blade temperature is decreased by 34{\%} at the leading edge and 21.2{\%} at the trailing edge for W = 0.3. By using stack configurations, the blade temperature is decreased by 50.7{\%} at the leading edge and 48{\%} at the trailing edge for W = 0.3. Application/Improvements: All these demonstrated that cooling effect of gas turbine blade especially at the trailing edge can be enhanced with suitable twisted tape and insert and stack configurations.",
author = "Kini, {Chandrakant R.} and Harishkumar Kamat and Shenoy, {B. Satish}",
year = "2016",
month = "1",
day = "1",
doi = "10.17485/ijst/2016/v9i31/95978",
language = "English",
volume = "9",
journal = "Indian Journal of Science and Technology",
issn = "0974-6846",
publisher = "Indian Society for Education and Environment",
number = "31",

}

Effect of twisted tape inserts and stacks on internal cooling of gas turbine blades. / Kini, Chandrakant R.; Kamat, Harishkumar; Shenoy, B. Satish.

In: Indian Journal of Science and Technology, Vol. 9, No. 31, 95978, 01.01.2016.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effect of twisted tape inserts and stacks on internal cooling of gas turbine blades

AU - Kini, Chandrakant R.

AU - Kamat, Harishkumar

AU - Shenoy, B. Satish

PY - 2016/1/1

Y1 - 2016/1/1

N2 - Objectives: In gas turbine blades, heat transfer can be enhanced by using twisted tape inserts and stacks. In the present paper, we proposed cooling effect of a gas turbine blade can be improved by using suitable twisted tape inserts and stack configurations. A Comparative study between this type and the twisted tape without stack configurations was performed. Methods/Statistical Analysis: Simulations are carried out for different width ratios of twisted tape with and without using stack configurations. Computation results showed that by using twisted tape inserts of width ratio (W) = 0.3 with stack configurations, provides better cooling effect compared to the others. Findings: Without using the stack Configurations, blade temperature is decreased by 34% at the leading edge and 21.2% at the trailing edge for W = 0.3. By using stack configurations, the blade temperature is decreased by 50.7% at the leading edge and 48% at the trailing edge for W = 0.3. Application/Improvements: All these demonstrated that cooling effect of gas turbine blade especially at the trailing edge can be enhanced with suitable twisted tape and insert and stack configurations.

AB - Objectives: In gas turbine blades, heat transfer can be enhanced by using twisted tape inserts and stacks. In the present paper, we proposed cooling effect of a gas turbine blade can be improved by using suitable twisted tape inserts and stack configurations. A Comparative study between this type and the twisted tape without stack configurations was performed. Methods/Statistical Analysis: Simulations are carried out for different width ratios of twisted tape with and without using stack configurations. Computation results showed that by using twisted tape inserts of width ratio (W) = 0.3 with stack configurations, provides better cooling effect compared to the others. Findings: Without using the stack Configurations, blade temperature is decreased by 34% at the leading edge and 21.2% at the trailing edge for W = 0.3. By using stack configurations, the blade temperature is decreased by 50.7% at the leading edge and 48% at the trailing edge for W = 0.3. Application/Improvements: All these demonstrated that cooling effect of gas turbine blade especially at the trailing edge can be enhanced with suitable twisted tape and insert and stack configurations.

UR - http://www.scopus.com/inward/record.url?scp=84984796584&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84984796584&partnerID=8YFLogxK

U2 - 10.17485/ijst/2016/v9i31/95978

DO - 10.17485/ijst/2016/v9i31/95978

M3 - Article

AN - SCOPUS:84984796584

VL - 9

JO - Indian Journal of Science and Technology

JF - Indian Journal of Science and Technology

SN - 0974-6846

IS - 31

M1 - 95978

ER -