Boosting Aeroengine Thrust by Using Ramjets
Abstract
Propulsion programmes have recently been showing continuing efforts to improve factors such as efficiency, emissions, performance, and cost. Lamb suggested an arrangement shown in Figure 1 in which the combustion air is fed to the combustion chambers (d) on the rotor (c) by a centrifugal compressor (a) driven by the rotor (c) through a layshaft gear (k), the rotor being enclosed in a casing (g) into which the exhaust gas from jet nozzles (f) is passed to preheat the combustion air. Drive for the propeller is taken via a second layshaft (n). This system is limited to shaft power applications such as helicopters. It also employs a tip combustion rotating system.
Citation
Najjar, Y.S.H. and Aldoss, T.K. (1994), "Boosting Aeroengine Thrust by Using Ramjets", Aircraft Engineering and Aerospace Technology, Vol. 66 No. 6, pp. 2-4. https://doi.org/10.1108/eb037524
Publisher
:MCB UP Ltd
Copyright © 1994, MCB UP Limited