Masters Theses

Entropic analysis of a dual-mode scramjet engine for system performance/operability enhancement

Regan Tackett

Keywords and Phrases

Computational fluid dynamics (CFD)

Abstract

"Recent analytical advances in understanding the performance range (thermodynamic spectrum) for air-breathing engines based upon fundamental second-law considerations have clarified scramjet and ramjet operation, performance, and characteristics. Second-law based analysis is utilized extensively in this work to clarify and describe the performance characteristics for dual-mode scramjet operations in the mid-speed range of flight Mach 4.0 to 7.0. This is accomplished by a fundamental investigation of the complex but predictable interaction between heat release and internal irreversibilities in such an engine...In addition, an irreversibilty auditing method is formulated to extract the lost performance potential associated with the different loss mechanisms (losses due to friction, heat transfer, mass diffusion, finite-rate kinetics, and shock waves) associated with a given flow-field"--Abstract, page iii.

Advisor(s)

Riggins, David W.

Committee Member(s)

Finaish, Fathi
Pernicka, Hank

Department(s)

Mechanical and Aerospace Engineering

Degree Name

M.S. in Aerospace Engineering

Sponsor(s)

Air Force Research Laboratory (Wright-Patterson Air Force Base, Ohio)

Publisher

University of Missouri--Rolla

Publication Date

Spring 2007

Pagination

xii, 79 pages

Rights

© 2007 Regan Blaine Tackett, All rights reserved.

Document Type

Thesis - Citation

File Type

text

Language

English

Subject Headings

Airplanes -- Scramjet engines
Entropy
Irreversible processes

Thesis Number

T 9142

Print OCLC #

190936296

Link to Catalog Record

Full-text not available: Request this publication directly from Missouri S&T Library or contact your local library.

http://merlin.lib.umsystem.edu/record=b6195035~S5

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