Preventing hot-gas ingestion by film-cooling jet via flow-aligned blockers
Abstract
A system for cooling includes a surface to be cooled, at least one film-cooling hole within the surface for allowing a film cooling jet of coolant to reach the surface, each of the at least one film-cooling hole having a diameter and at least two spaced apart flow-aligned blockers positioned downstream of the at least one-film cooling hole, each of the flow-aligned blockers extending upwardly from the surface to assist in preventing hot-gas entrainment and increasing adiabatic effectiveness by confining coolant flow downstream of the at least one film-cooling hole between the blockers.
- Inventors:
- Issue Date:
- Research Org.:
- Iowa State Univ., Ames, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531704
- Patent Number(s):
- 8066478
- Application Number:
- 11/975,012
- Assignee:
- Iowa State University Research Foundation, Inc. (Ames, IA)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05D - INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- DOE Contract Number:
- FC26-02NT41431
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2007-10-17
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Shih, Tom I-P, and Na, Sangkwon. Preventing hot-gas ingestion by film-cooling jet via flow-aligned blockers. United States: N. p., 2011.
Web.
Shih, Tom I-P, & Na, Sangkwon. Preventing hot-gas ingestion by film-cooling jet via flow-aligned blockers. United States.
Shih, Tom I-P, and Na, Sangkwon. Tue .
"Preventing hot-gas ingestion by film-cooling jet via flow-aligned blockers". United States. https://www.osti.gov/servlets/purl/1531704.
@article{osti_1531704,
title = {Preventing hot-gas ingestion by film-cooling jet via flow-aligned blockers},
author = {Shih, Tom I-P and Na, Sangkwon},
abstractNote = {A system for cooling includes a surface to be cooled, at least one film-cooling hole within the surface for allowing a film cooling jet of coolant to reach the surface, each of the at least one film-cooling hole having a diameter and at least two spaced apart flow-aligned blockers positioned downstream of the at least one-film cooling hole, each of the flow-aligned blockers extending upwardly from the surface to assist in preventing hot-gas entrainment and increasing adiabatic effectiveness by confining coolant flow downstream of the at least one film-cooling hole between the blockers.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 29 00:00:00 EST 2011},
month = {Tue Nov 29 00:00:00 EST 2011}
}
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