Evaporation pipe type miniature-small-sized engine combustion chamber

A combustion chamber and evaporation tube technology, applied in combustion chambers, continuous combustion chambers, combustion methods, etc., can solve the problems of low combustion efficiency in combustion chambers, long flames, and low evaporation rate of evaporation tubes, and achieve improved combustion efficiency and oil and gas distribution Uniform, improved evaporation rate effect

Inactive Publication Date: 2006-03-08
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Multiple Г-shaped evaporating tubes are welded to the front wall of the flame tube, and the direct injection fuel nozzle sprays fuel into the Г-shaped evaporating tubes along the ...

Method used

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  • Evaporation pipe type miniature-small-sized engine combustion chamber
  • Evaporation pipe type miniature-small-sized engine combustion chamber
  • Evaporation pipe type miniature-small-sized engine combustion chamber

Examples

Experimental program
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Embodiment Construction

[0021] Such as figure 2 , 3 As shown, the present invention is composed of the inner wall 4 and the outer wall 3 of the combustion chamber flame tube, 3-12 T-shaped evaporation tubes 2, and fuel nozzles 5. Evenly arranged, 3-12 fuel nozzles 5 are inserted into 3-12 T-shaped evaporation tubes in the radial direction, and a plurality of holes 6 are punched on the inner wall 4, outer wall 3 and front end wall 1 of the combustion chamber flame tube, the number of holes and The aperture is determined by the gas volume distribution of the combustion chamber and the circumferential size of the flame cylinder in the combustion chamber. If a position with a large volume is required, the aperture is relatively large, and the size is determined by the circumference of the flame cylinder. How big and how much can be drilled. The ratio of the sum of the hole area to the total opening area should be consistent with the gas volume distribution at this place, and the general quantity is sho...

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PUM

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Abstract

An exhalant type combustion chamber of small engine, which contains flame tube inner and outer wall of combustion chamber, 3-12 T-shape exhalants and fuel injection nozzle, wherein the 3-12 T-shape exhalants uniformly arranged around front wall of flame tube of combustion chamber, 3-12 fuel injection nozzles plugging in 3-12 exhalants, many holes drilled on inner, outer and front end wall of flame tube of combustion chamber, air interring combustion chamber to form a stable large vortex at head part of flame tube utilizing tangential air inlet. Said invention makes more uniform air mixing and more stable combustion.

Description

Technical field [0001] The invention relates to a combustion system of a miniature aeroengine, in particular to an evaporating tube type miniature engine combustion chamber. Background technique [0002] At present, a lot of research work has been done on micro-engines in foreign countries, and a lot of results have been obtained. Mature models of various magnitudes have been produced correspondingly, and considerable military and civilian markets have been formed. AMT in the Netherlands, Rolls-Royce in the UK, and Artesjet all have a series of products, such as AMT's Mercury HP and Pegasus HP, and Artesjet's KJ66. The structure of the combustion chamber of a certain type of micro engine is as follows: figure 1 As shown, it consists of the front end wall 1 of the combustion chamber, the inner wall 4 of the flame tube, the outer wall 3 of the flame tube, the evaporation tube 2 and the fuel nozzle 5, wherein the evaporation tube 2 consists of a plurality of Г-shaped evaporati...

Claims

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Application Information

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IPC IPC(8): F23R3/58F23R3/02
Inventor 林宇震刘俊
Owner BEIHANG UNIV
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