NDLI: Quasi 1-d analysis of a circular, compressible, turbulent jet laden with water droplets. appendix c

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Quasi 1-d analysis of a circular, compressible, turbulent jet laden with water droplets. appendix c

Content Provider	NASA Technical Reports Server (NTRS)
Copyright Year	2001
Description	Recent experimental studies indicate that presence of small amount of liquid droplets reduces the Overall Sound Pressure Level (OASPL) of a jet. Present study is aimed at numerically investigating the effect of liquid particles on the overall flow quantities of a heated, compressible round jet. The jet is assumed perfectly expanded. A quasi-1D model was developed for this purpose which uses area-averaged quantities that satisfy integral conservation equations. Special attention is given to represent the early development region since it is acoustically important. Approximate velocity and temperature profiles were assumed in this region to evaluate entrainment rate. Experimental correlations were used to obtain spreading rate of shear layer. The base flow thus obtained is then laden with water droplets at the exit of the nozzle. Mass, momentum and energy coupling between the two phases is represented using empirical relations. Droplet size and mass loading are varied to observe their effect on flow variables.
File Size	750380
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20020051137
Archival Resource Key	ark:/13960/t2r54kk02
Language	English
Publisher Date	2001-09-27
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Thermodynamics Base Flow Entrainment Velocity Distribution Drop Size Kinetic Energy Turbulent Jets Drops Liquids Sound Pressure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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