Topic
Afterburner
About: Afterburner is a research topic. Over the lifetime, 811 publications have been published within this topic receiving 5944 citations.
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Patent•
23 Apr 2014
TL;DR: In this paper, a liquid gas afterburner jet engine and a method for realizing after-burning flying of a jet plane were presented, where the jet engine consisted of an air incoming way, a gas compressor, burning chambers with fuel nozzles, a turbine, an after-burner, a tail nozzle and liquid gas noizles extending into the afterburners.
Abstract: The invention provides a liquid gas afterburner jet engine and a method for realizing afterburning flying of a jet plane. The jet engine comprises an air incoming way, a gas compressor, burning chambers with fuel nozzles, a turbine, an afterburner, a tail nozzle and liquid gas nozzles extending into the afterburner. By the method, the jet engine can be ensured to fully utilize thermal expansion of liquid gas to do work during afterburning propelling, and thrust of the jet engine is increased more efficiently, so that burning efficiency of the jet engine is improved obviously, thrust is increased, power cost is lowered, environmental pollution is reduced, and probability of being attacked by an infrared weapon can be lowered.
6 citations
01 Mar 1975
TL;DR: In this article, an identification algorithm based on modern state estimation theory was developed to identify the parameters of a linear time-invariant F100/F401 turbofan engine model.
Abstract: : Results directed toward the identification of multivariable gas turbine engine dynamics from stochastic input-output data are described. An identification algorithm based on modern state estimation theory was developed to identify the parameters of a linear time-invariant F100/F401 turbofan engine model. Unknown parameters of the F100/F401 model were introduced as auxiliary state variables thereby transforming the parameter identification problem to a nonlinear state estimation problem. The engine model was forced by commanded changes in main burner fuel flow and jet exhaust area. Gaussian noise was added to the commanded fuel flow to model metering valve uncertainties. Noise-corrupted measurements consisted of fan turbine inlet temperature, fan and compressor speeds, and main burner and afterburner pressures. The identification procedure was carried out at three steady-state design points between idle and military conditions.
6 citations
Patent•
16 Jan 1996
TL;DR: A modified gas fueled barbecue grill includes a supplementary gas chamber or tank which supplies LP gas so the barbecue burners remain on for a sufficient time after cessation of use thereof to effectively burn off and clean residues from cooking food stuffs on the grill after the main fuel gas supply is turned off.
Abstract: A modified gas fueled barbecue grill includes a supplementary gas chamber or tank which supplies LP gas so the barbecue burners remain on for a sufficient time after cessation of use thereof to effectively burn off and clean residues from cooking food stuffs on the grill after the main fuel gas supply is turned off.
6 citations
01 Jan 1992
TL;DR: In this article, the precision and accuracy in temperature measurements made using 2-λ CARS, where two narrow-band dye laser frequencies are used instead of one broad-band profile, are presented.
Abstract: The precision and accuracy in temperature measurements made using 2-λ CARS, where two narrow-band dye laser frequencies are used instead of one broad-band profile, are presented. Experimental results from single-shot referencing are presented, together with a brief theoretical analysis. The paper is concluded with a description of results from a practical demonstration of the technique in a premixed bluff body stabilized flame simulating an afterburner in a jet engine.
6 citations