Gas fuel constant volume combustion chamber capable of being internally installed with diaphragm plate

A gas fuel and combustion chamber technology, applied in combustion engines, internal combustion piston engines, machines/engines, etc., can solve the problem that constant volume combustion chambers cannot be used for compression ignition combustion and center ignition combustion at the same time, to achieve increased use, mixing even air effect

Inactive Publication Date: 2010-09-15
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the existing constant volume combustion chamber cannot be used for both compression ignition combustion and center ignition combustion research, and proposes a constant volume combustion chamber that burns gas fuel and can be built with a diaphragm

Method used

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  • Gas fuel constant volume combustion chamber capable of being internally installed with diaphragm plate
  • Gas fuel constant volume combustion chamber capable of being internally installed with diaphragm plate
  • Gas fuel constant volume combustion chamber capable of being internally installed with diaphragm plate

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Embodiment Construction

[0033] Based on the characteristics of this patent, there are mainly three implementation modes. First, the central ignition pin is ignited when there is no partition, which is used for the test of the laminar combustion characteristics of gas fuel; second, when the partition with small holes is added, the spark plug at the top of the combustion chamber is ignited or the top and bottom are ignited according to a certain timing, using It is used to study the compression ignition (natural) or ignition phenomenon of gas fuel and the EGR effect; thirdly, when the slit partition is added, the top of the spark plug in the combustion chamber is ignited, and it is used to study the slit quenching effect of gas fuel.

[0034] Combine below Figure 1 to Figure 21 The embodiment when the partition board with small holes and the slit partition is added in the combustion chamber will be described in detail.

[0035]This embodiment is mainly composed of a main body 1, a built-in diaphragm,...

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Abstract

The invention discloses a gas fuel constant volume combustion chamber capable of being internally installed with a diaphragm plate, belonging to the combustion field of internal combustion engines. The combustion chamber comprises a body (1), the diaphragm plate (27), a front end cover (44) and a window (46) and the like, and the inner part of the gas fuel constant volume combustion chamber is in a cube shape. The inner wall of the body (1) is provided with N pairs of diaphragm plate slots (63); the diaphragm plate is arranged in one pair of diaphragm plate slots; and the diaphragm plate is provided with holes or slots. When the diaphragm plate is not added, the combustion chamber is an ignition needle center ignition combustion chamber; when the diaphragm plate is added, the body (1) is divided into an upper combustion chamber and a lower combustion chamber thereby; the center at the upper part of the body (1) is provided with an ignition plug (2); and the center at the bottom of the body (1) is provided with an ignition plug type pressure sensor (7). When the built-in diaphragm plate is not adopted, the invention can be used for studying streamline flow combustion characteristics of gas fuel; when the built-in diaphragm plate is adopted, the upper combustion chamber (29) is used for the combustion study of spark ignition; and the lower combustion chamber (32) is used for the study of compression ignition or ignition or flame slit quenching effect.

Description

technical field [0001] The invention relates to a constant volume combustion chamber (CVCC) with a built-in diaphragm for burning gas fuels, which is mainly used for analyzing various factors affecting constant volume combustion of various gas fuels, and then optimizing the performance of internal combustion engines for practical applications , which belongs to the research field of internal combustion engine combustion. Background technique [0002] The existing domestic and foreign devices for researching gaseous fuel constant volume combustion are constant volume combustion chambers or constant volume incendiary bombs. The main structure of the existing constant-volume combustion chamber or constant-volume incendiary bomb is a spherical, barrel-shaped, or elliptical closed unified space, and fuel and air are mixed and burned in this space. The main disadvantages of the existing constant volume combustion chambers are: 1. Only liquid fuels can be used for combustion resea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B23/04F02B23/08
CPCY02T10/125Y02T10/12
Inventor 张红光白小磊韩雪娇孙晓娜
Owner BEIJING UNIV OF TECH
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