Results 31 to 40 of about 3,753,663 (192)

High Efficiency, Clean Combustion [PDF]

open access: yes, 2010
Energy use in trucks has been increasing at a faster rate than that of automobiles within the U.S. transportation sector. According to the Energy Information Administration (EIA) Annual Energy Outlook (AEO), a 23% increase in fuel consumption for the U.S. heavy duty truck segment is expected between 2009 to 2020.
openaire   +2 more sources

The Influence of Dielectric Barrier Discharge Plasma on the Characteristics of Aero-Engine Combustion Chamber

open access: yesXibei Gongye Daxue Xuebao, 2019
A test platform was developed to investigate the performance of aero-engine combustor by the dielectric barrier discharge (DBD) plasma assisted combustion (PAC) in the simulated maximum condition.

doaj   +1 more source

FIRE CHARACTERISTICS FOR ADVANCED MODELLING OF FIRES [PDF]

open access: yesCivil Engineering Journal, 2016
This paper summarizes the material and fire properties of solid flammable/combustible materials /substances /products, which are used as inputs for the computer numerical fire models. At the same time it gives the test standards for their determination.
Otto Dvořák
doaj   +1 more source

Effects of Local Mixing Ratios and Mass Flow Rates on Combustion Performance of the Fuel-Rich LOX (Liquid Oxygen)/kerosene Gas Generator in the ATR (Air Turbo Rocket) Engine

open access: yesAerospace, 2023
This paper presents a numerical simulation analysis of the flow and combustion characteristics of a fuel-rich LOX (liquid oxygen)/kerosene gas generator in an ATR (air turbo rocket) engine, examining the effects of local parameters on the combustion flow
Yuankun Zhang   +5 more
doaj   +1 more source

Enhancing Propulsion Efficiency: Investigating Pressure Gain Combustion Dynamics in Pulse Detonation Engines [PDF]

open access: yesINCAS Bulletin
In order to obtain important knowledge for raising the performance and efficiency of propulsion systems, in this paper we investigate the dynamics process of pressure gain combustion in the Pulse Detonation Engine.
Mayur PATHAK   +2 more
doaj   +1 more source

Effect of Bluff Body Attributes on Afterburner Combustion Characteristics of a Boron Solid Rocket Scramjet

open access: yesInternational Journal of Aerospace Engineering
In order to improve the combustion efficiency of boron-containing primary gas in the secondary combustion chamber of a solid rocket scramjet and improve engine performance, the effects of different types of blunt bodies, number of rear blunt bodies, and ...
Jiang Ling   +3 more
doaj   +1 more source

Combustion performance of hydrogen fueled parallel wall-jet used for drag reduction in a supersonic combustor

open access: yesCase Studies in Thermal Engineering
Hydrogen fueled parallel wall-jet combustion is considered to be one of the most promising drag reduction technologies in supersonic combustors, researchers mainly focus on its drag reduction mechanism, while balancing its combustion efficiency and drag ...
Jingying Zuo   +6 more
doaj   +1 more source

Experimental Comparison of HCCI and Spark-Ignited Combustion Using Gasoline and Ethanol: Efficiency, Stability and Emissions

open access: yesApplied Sciences
Homogeneous Charge Compression Ignition (HCCI) combustion has been widely reported to offer high efficiency and ultra-low nitrogen oxide emissions compared to conventional spark-ignited (SI) combustion.
Patrick Schaber   +4 more
doaj   +1 more source

Numerical analysis of reaction-diffusion effects on species mixing rates in turbulent premixed methane-air combustion [PDF]

open access: yes, 2009
The scalar mixing time scale, a key quantity in many turbulent combustion models, is investigated for reactive scalars in premixed combustion. Direct numerical simulations (DNS) of three-dimensional, turbulent Bunsen flames with reduced methane-air ...
Grout, R.W.   +7 more
core   +1 more source

Heat losses in internal combustion engines [PDF]

open access: yes, 1989
Bibliography: leaves 119-121.This thesis deals with the effects of cooling and heat losses in internal combustion engines. The object of this work was to examine and research various cooling concepts and methods to reduce heat loss to engine coolant ...
Clarke, Ralph Henry
core   +1 more source

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