A Turbine Based Combined Cycle Engine Inlet Model and Mode Transition Simulation Based on Hitecc Tool PDF Download
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Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781794380202
Category : Science
Languages : en
Pages : 24
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Book Description
An inlet system is being tested to evaluate methodologies for a turbine based combined cycle propulsion system to perform a controlled inlet mode transition. Prior to wind tunnel based hardware testing of controlled mode transitions, simulation models are used to test, debug, and validate potential control algorithms. One candidate simulation package for this purpose is the High Mach Transient Engine Cycle Code (HiTECC). The HiTECC simulation package models the inlet system, propulsion systems, thermal energy, geometry, nozzle, and fuel systems. This paper discusses the modification and redesign of the simulation package and control system to represent the NASA large-scale inlet model for Combined Cycle Engine mode transition studies, mounted in NASA Glenn s 10- by 10-Foot Supersonic Wind Tunnel. This model will be used for designing and testing candidate control algorithms before implementation. Csank, Jeffrey T. and Stueber, Thomas J. Glenn Research Center NASA/TM-2012-217714, AIAA Paper 2012-4149, E-18419
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781794380202
Category : Science
Languages : en
Pages : 24
Get Book Here
Book Description
An inlet system is being tested to evaluate methodologies for a turbine based combined cycle propulsion system to perform a controlled inlet mode transition. Prior to wind tunnel based hardware testing of controlled mode transitions, simulation models are used to test, debug, and validate potential control algorithms. One candidate simulation package for this purpose is the High Mach Transient Engine Cycle Code (HiTECC). The HiTECC simulation package models the inlet system, propulsion systems, thermal energy, geometry, nozzle, and fuel systems. This paper discusses the modification and redesign of the simulation package and control system to represent the NASA large-scale inlet model for Combined Cycle Engine mode transition studies, mounted in NASA Glenn s 10- by 10-Foot Supersonic Wind Tunnel. This model will be used for designing and testing candidate control algorithms before implementation. Csank, Jeffrey T. and Stueber, Thomas J. Glenn Research Center NASA/TM-2012-217714, AIAA Paper 2012-4149, E-18419
Author: Jeffrey Csank
Publisher: BiblioGov
ISBN: 9781289124779
Category :
Languages : en
Pages : 38
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Book Description
An inlet system is being tested to evaluate methodologies for a turbine based combined cycle propulsion system to perform a controlled inlet mode transition. Prior to wind tunnel based hardware testing of controlled mode transitions, simulation models are used to test, debug, and validate potential control algorithms. One candidate simulation package for this purpose is the High Mach Transient Engine Cycle Code (HiTECC). The HiTECC simulation package models the inlet system, propulsion systems, thermal energy, geometry, nozzle, and fuel systems. This paper discusses the modification and redesign of the simulation package and control system to represent the NASA large-scale inlet model for Combined Cycle Engine mode transition studies, mounted in NASA Glenn s 10-foot by 10-foot Supersonic Wind Tunnel. This model will be used for designing and testing candidate control algorithms before implementation.
Author: Jeffrey T. Csank
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Author: Jeffrey T. Csank
Publisher: BiblioGov
ISBN: 9781289152376
Category :
Languages : en
Pages : 28
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Book Description
A dual flow-path inlet for a turbine based combined cycle (TBCC) propulsion system is to be tested in order to evaluate methodologies for performing a controlled inlet mode transition. Prior to experimental testing, simulation models are used to test, debug, and validate potential control algorithms which are designed to maintain shock position during inlet disturbances. One simulation package being used for testing is the High Mach Transient Engine Cycle Code simulation, known as HiTECC. This paper discusses the development of a mode transition schedule for the HiTECC simulation that is analogous to the development of inlet performance maps. Inlet performance maps, derived through experimental means, describe the performance and operability of the inlet as the splitter closes, switching power production from the turbine engine to the Dual Mode Scram Jet. With knowledge of the operability and performance tradeoffs, a closed loop system can be designed to optimize the performance of the inlet. This paper demonstrates the design of the closed loop control system and benefit with the implementation of a Proportional-Integral controller, an H-Infinity based controller, and a disturbance observer based controller; all of which avoid inlet unstart during a mode transition with a simulated disturbance that would lead to inlet unstart without closed loop control.
Author: John W. Slater
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Category :
Languages : en
Pages : 14
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Author: James R. DeBonis
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Category : Fluid dynamics
Languages : en
Pages : 24
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Author: Randy Thomas
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Category :
Languages : en
Pages : 24
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Author: Randy Thomas
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Category :
Languages : en
Pages :
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Author: Thomas J. Benson
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Category :
Languages : en
Pages :
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