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http://dx.doi.org/10.3795/KSME-B.2005.29.1.080

A Study on Transient Characteristics of Flow Caused by Heat Addition in Supersonic Nozzle  

Chung, Jin-Do (호서대학교 환경안전공학부)
Kim, Jang-Woo (호서대학교 환경안전공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.1, 2005 , pp. 80-86 More about this Journal
Abstract
This study presents numerical solutions of the two-dimensional Navier-Stokes equations for supersonic unsteady flow in a convergent-divergent nozzle with heat addition. The TVD scheme in generalized coordinates is employed in order to calculate the moving shock waves caused by thermal choking. We discuss on transient characteristics, start and unstart phenomena, fluctuations of specific thrust caused by thermal choking and viscous effects. We prove that the control of separation of boundary layer is the most important key problem to prevent the thermal choking.
Keywords
Boundary Layer; Engine Unstart; Supersonic Flow; Thermal Choking; Viscous Fluid;
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Times Cited By KSCI : 1  (Citation Analysis)
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