NDLI: Extension to an analysis of turbulent swirling compressible flow for application to axisymmetric small gas turbine ducts

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Extension to an analysis of turbulent swirling compressible flow for application to axisymmetric small gas turbine ducts

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hankins, G. B. Anderson, O. L. Edwards, D. E.
Copyright Year	1981
Description	An existing computer program, the Axisymmetric Diffuser Duct Code (ADD code), which calculates compressible turbulent swirling flow through axisymmetric ducts was modified to permit calculation of flows through small gas turbine ducts with struts, guide vanes and large degrees of turning. The improvements include a coordinate generator, an end-wall loss model, and a generalized geometry capability to describe struts and guide vanes in ducts which turn more than 90 degrees. An improved output format was developed to provide the solution on any arbitrary plane in the duct and an extensive literature survey of calculation procedures used in gas turbine technology was completed which suggests improvements in the computer code. Calculations are presented for the flow through the AGT101 small gas turbine inlet duct and turbine exhaust diffuser which demonstrate the ADD code modifications implemented in the investigation. The computed results compare favorably with experimental results.
File Size	24250819
Page Count	70
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19840013377
Archival Resource Key	ark:/13960/t8sb8x018
Language	English
Publisher Date	1981-12-01
Access Restriction	Open
Subject Keyword	Urban Technology And Transportation Ducted Flow Gas Turbines Turbulent Flow Corner Flow Pressure Distribution Struts Intake Systems Secondary Flow Compressible Flow Swirling Axisymmetric Bodies Guide Vanes 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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