NASA Quiet Clean General Aviation Turbofan (QCGAT) program status [PDF]
The suitability of large engine technology to reduce noise, emissions, and fuel consumption of small turbine engines and develop new technology where required is determined.
Bresnahan, D. L., Sievers, G. K.
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Using Active Learning and Team Competition to Teach Gas Turbine Cycle Design [PDF]
, 2019 An elective, Analysis and Design of Propulsion Systems, has been a traditional lecture course teaching gas turbine engines from a design perspective.
Van Treuren, Kenneth
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Study of unconventional aircraft engines designed for low energy consumption [PDF]
A study of unconventional engine cycle concepts, which may offer significantly lower energy consumption than conventional subsonic transport turbofans, is described herein.
Hirschkron, R. +2 more
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QCGAT aircraft/engine design for reduced noise and emissions [PDF]
, 1980 The high bypass ratio QCGAT engine played an important role in shaping the aircraft design. The aircraft which evolved is a sleek, advanced design, six-place aircraft with 3538 kg (7,800 lb) maximum gross weight. It offers a 2778 kilometer (1500 nautical
Lanson, L., Terrill, K. M.
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A generalized computer code for developing dynamic gas turbine engine models (DIGTEM) [PDF]
This paper describes DIGTEM (digital turbofan engine model), a computer program that simulates two spool, two stream (turbofan) engines. DIGTEM was developed to support the development of a real time multiprocessor based engine simulator being designed ...
Daniele, C. J.
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Networked Control System Design for Turbofan Aeroengines with Aging and Deterioration [PDF]
, 2018 Ruichao Li +3 more
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The economic impact of drag in general aviation [PDF]
General aviation aircraft fuel consumption and operating costs are closely linked to drag reduction methods. Improvements in airplane drag are envisioned for new models; their effects will be in the 5 to 10% range.
Neal, R. D.
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Gaseous exhaust emissions from a JT8D-109 turbofan engine at simulated cruise flight conditions [PDF]
Gaseous emissions from a JT8D-109 turbofan engine were measured in an altitude facility at four simulated cruise flight conditions: Mach 0.8 at altitudes of 9.1, 10, 7, and 12.2 km and Mach 0.9 at 10.7 km.
Diehl, L. A., Holdeman, J. D.
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Effects of chemical equilibrium on turbine engine performance for various fuels and combustor temperatures [PDF]
A study was performed to quantify the differences in turbine engine performance with and without the chemical dissociation effects for various fuel types over a range of combustor temperatures.
Snyder, Christopher A., Tran, Donald H.
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Turbofan Engine Health Assessment Based on Spatial-Temporal Similarity Calculation. [PDF]
Sensors (Basel), 2023 Peng C, Hu X, Tang Z.
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