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Fuel Injection 11 min read

Introduction to The investigation of the mixture formation upon fuel injection into high-temperature gas flows

Combustion of a fuel in the combustion chambers of a gas-turbine engine  and  a gas-turbine plant  is closely  connected with  the  processes of mixing  (Lefebvre,  1985). Investigations of these  processes carried out by both  experimental and  computational methods have  recently become  especially crucial because of the necessity of solving ecological  problems. One of the most  pressing problems at present is account for the influence of droplets on an air flow. In some  of the regimes of chamber operation this may lead  to a substantial, almost twofold, change in  the  long  range   of  a  fuel  spray   and,  consequently, to  corresponding changes in the distributions of the concentrations of fuel phases. In this  chapter physical models of the  processes of interphase heat  and  mass  transfer and computational techniques based  on them  are suggested. The present work  is a continuation of research  by Maiorova & Tretyakov, 2008. We set out to calculate the fields of air velocity and   temperature  as  well  as  of  the  distribution of  a  liquid fuel  in  module combustion…

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Friction drives
Mechanics of Machines 2 min read

Friction drives

 Friction in screw threads:  ·         Friction in screw and nut ·         Friction in screw jack ·         Problems in screw jack  Screwjack: The screw…

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Basics 6 min read

ADAPTIVE CRUISE CONTROL

Adaptive Cruise Control (ACC) is an automotive feature that allows a vehicle’s cruise control system to adapt the vehicle speed…

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