NDLI: Thermodynamic Non-Dimensional Model to Estimate the Emitted Greenhouse Gases of a Turbofan Engine at Flight Altitude

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Eshraghi, Hamzeh Ghaseminezhad, Ali Boroomand, Masoud Abolghasem, M. Tousi
Copyright Year	2014
Abstract	Non-dimensional simulation models are often used to interpret experimental data in order to better understand the combustion processes. Recent investigation has presented a thermodynamic non-dimensional model which is used for evaluating the emitted greenhouse gases of a turbofan engine at flight altitude. Combustion chamber flow has been modeled as a non-dimensional flow in provided model. Required data for this model are combustion chamber inlet, turbine inlet and outlet together with exit nozzle pressure and temperature which are calculated by gas turbine non-dimensional modeling software. In this regard mass flow and rotational speed compatibility, conservation of mass and energy equations have been solved. (GSP and KineTechs software (chemical kinetic solving software) have been used for solving the mentioned equations as well as modeling the non-dimensional flow in the combustion chamber, respectively.) This paper investigates the JT9D engine. The results have been validated with experimental data published by International Civil Aviation Organization (ICAO). Noteworthy is that the obtained experimental data have been considered for low flight altitude phases and therefore the presented model takes into account the Greenhouse Gases estimation values for the mentioned phases. After result validation and conformity of experimental data, engine cruise altitude conditions have been modeled. Subsequently, New York – London airway has been studied and emitted Greenhouse gases quantity at cruise altitude has been calculated in one year while verified with published official Statistical data.
File Format	PDF
ISBN	9780791846421
DOI	10.1115/IMECE2014-39748
Volume Number	Volume 1: Advances in Aerospace Technology
Conference Proceedings	ASME 2014 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2014-11-14
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Subject Keyword	Temperature Simulation models Computer software Flight Conservation laws (physics) Combustion Flow (dynamics) Modeling Pressure Engines Gases Gas turbines Turbofans Commercial air transport Nozzles Combustion chambers Turbines
Content Type	Text
Resource Type	Article

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