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Liquid hydrocarbon fuel low-temperature self-ignition adjusting method based on atomic carrier

A technology of hydrocarbon fuel and adjustment method, which is applied in the direction of liquid carbon-containing fuel, fuel, fuel additive, etc., to achieve the effect of good stability and simple operation

Active Publication Date: 2020-08-14
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the traditional means of increasing the temperature of the combustion environment and increasing external energy to promote ignition and combustion are effective to a certain extent, they have not completely solved the problem.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Select octene as the base fuel, and configure hydrocarbon fuels as follows: step 1, add 0.9 ml of octene to the combustion flask; step 2, add 0.06 ml of borane dimethyl sulfide complex to the combustion flask. The volume ratio of base fuel to atom carrier additive is 9:0.6.

[0024] In this embodiment, the self-ignition hydrocarbon fuel of octene and borane dimethyl sulfide complex can be realized, and self-ignition can occur at 50°C, and the corresponding ignition temperature is 50°C.

Embodiment 2

[0026] Select octene as the base fuel, and configure hydrocarbon fuels as follows: step 1, add 0.9 ml of octene to the combustion flask; step 2, add 0.09 ml of borane dimethyl sulfide complex to the combustion flask. The volume ratio of base fuel to atom carrier additive is 9:0.9.

[0027] In this embodiment, the self-ignition hydrocarbon fuel of octene and borane dimethyl sulfide complex can be realized, and self-ignition can occur at 25°C (normal temperature), and the corresponding ignition temperature is 25°C.

Embodiment 3

[0029] Select octene as the base fuel, and configure hydrocarbon fuels as follows: step 1, add 0.9 ml of octene to the combustion flask; step 2, add 0.12 ml of borane dimethyl sulfide complex to the combustion flask. The volume ratio of base fuel to atom carrier additive is 9:1.2.

[0030] In this embodiment, the self-igniting hydrocarbon fuel of octene and borane dimethyl sulfide complex can be self-ignited at -15°C, and the corresponding ignition temperature is -15°C.

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PUM

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Abstract

The invention discloses a liquid hydrocarbon fuel low-temperature self-ignition adjusting method based on an atomic carrier, and relates to the field of aviation fuels. Through the atom carrier additive, the combustion energy barrier of a substrate fuel is reduced, and low-temperature self-ignition of the hydrocarbon fuel is realized; the atomic carrier additive is a borane dimethyl sulfide complex; the substrate fuel is mixed fuel of octene, hexene or olefin and RP-3 kerosene. The method has the advantages of real-time ignition regulation and control, low self-ignition temperature, high safety and the like, the low-temperature spontaneous combustion characteristic of the liquid hydrocarbon fuel can be efficiently regulated and controlled, and the method is easy to operate and high in practicability.

Description

technical field [0001] The invention relates to the field of aviation fuels, in particular to an atomic carrier-based low-temperature self-ignition regulation method for liquid hydrocarbon fuels. Background technique [0002] Aeroengines will stall in the air due to compressor surge and other accidents. Compared with ground ignition, the air temperature at the engine inlet is lower (inlet temperature <-40°C) and pressure is lower (0.3 atmospheres) during air ignition. Under such harsh working conditions, how to achieve reliable ignition of the main combustion chamber and stable flame propagation is the main technical difficulty faced in the design and use of the main combustion chamber of advanced aero-engines, which restricts the development of advanced aero-engines. Aiming at the ignition problem under severe working conditions faced by advanced aero-engines, it can be seen from relevant research reports at home and abroad that the influence of key parameters on the ign...

Claims

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Application Information

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IPC IPC(8): C10L1/16C10L1/30C10L10/14
CPCC10L1/14C10L1/1608C10L1/1616C10L1/303C10L10/14
Inventor 黄小彬刘洪盛浩强张斌何淼生
Owner SHANGHAI JIAO TONG UNIV
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