Results 81 to 90 of about 769,162 (329)

Operating Characteristics of an Electrically Assisted Turbofan Engine

Volume 1: Aircraft Engine; Fans and Blowers, 2020
Abstract With the growing pressure to reduce the environmental footprint of aviation, new and efficient propulsion systems must be investigated. The current research looks at the operating characteristics of a turbofan engine in a parallel hybrid-electric propulsion system.
van Holsteijn, M.R. (author), Gangoli Rao, A. (author), Yin, F. (author)   +2 more
openaire   +3 more sources

Enhanced Blade Fault Diagnosis Using Hybrid Deep Learning: A Comparative Analysis of Traditional Machine Learning and 1D Convolutional Transformer Architecture

Engineering Reports, Volume 7, Issue 5, May 2025.
The methodology comprises several key steps involving vibration data acquisition, preprocessing, hyperparameter tuning, model training, evaluation, and finally fault classification. ABSTRACT Artificial intelligence offers a promising solution for the precise identification of faults in rotating machinery.
Syed Asad Imam, Meng Hee Lim, Ahmed Mohammed Abdelrhman, Iftikhar Ahmad, Mohd Salman Leong   +4 more
wiley   +1 more source

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.
core   +1 more source

Investigation of the stall-induced shock wave (hammershock) at the inlet to the engine [PDF]

The peak static pressures measured at the inlet to the engine during stall are presented for a turbojet and two turbofan engines. It is shown for one turbofan and the turbojet that the static pressure ratio across the hammershock does not exceed ...
Kurkov, A. P., Moss, J. E., Soeder, R. H.   +2 more
core   +1 more source

Neural network model for fast prediction of infrared radiation of turbofan engine with axisymmetric exhaust system in preliminary design phase

Case Studies in Thermal Engineering
It is widely agreed that the infrared stealth should be considered in the preliminary design phase of turbofan engine so as to decrease the infrared radiation of engine exhaust system.
Feng Wang, Honghu Ji, Haoying Chen, Xinlei Chen, Mingxin Wang, Xiaojuan Shi   +5 more
doaj   +1 more source

Small Engine Component Technology (SECT) studies [PDF]

A study was conducted to identify component technology requirements for small, expendable gas turbine engines that would result in substantial improvements in performance and cost by the year 2000.
Harbour, L., Meyer, P. K.
core   +1 more source

Design and performance of duct acoustic treatment [PDF]

, 1991
The procedure for designing acoustic treatment panels used to line the walls of aircraft engine ducts and for estimating the resulting suppression of turbofan engine duct noise is discussed.
Kraft, R. E., Motsinger, R. E.
core   +1 more source

Turbofan Engine Health Assessment Based on Spatial-Temporal Similarity Calculation. [PDF]

Sensors (Basel), 2023
Peng C, Hu X, Tang Z.
europepmc   +1 more source

NASA/GE quiet engine C acoustic test results [PDF]

The acoustic investigation and evaluation of the C propulsion turbofan engine are discussed. The engine was built as a part of the Quiet Engine Program.
Kazin, S. B., Pass, J. E.
core   +1 more source

Status of advanced turboprop technology [PDF]

, 1978
Research is reviewed in the following areas: turboprop powered transport aircraft; wind tunnel aerodynamic and acoustics tests of model propellers; turboprop maintenance; and wind tunnel tests on airframe-turboprop interactions.
Dugan, J. F., Miller, B. A., Sagerser, D. A.   +2 more
core   +1 more source