Split combustion chamber of strip groove way structure

Abstract

The invention provides a split combustion chamber of a strip groove way structure. The combustion chamber comprises a frame assembly and a cooling assembly. The frame assembly comprises multiple spacing strips and frame ends located on two ends of the spacing strips, an interval is formed between every two adjacent spacing strips, the cooling assembly is located on the spacing position, the cooling assembly comprises a cover plate structure and a cooling structure, the cover plate structure is arranged on the outer side of the cooling structure, the cover plate structure comprises a cover plate body, and the cover plate body comprises a cover body part, a seal frame extending towards the outer side along the cover body part and an extension part extending towards the inner side along the cover body part. According to the split combustion chamber of the strip grove way structure, cooling of a combustion chamber can be achieved.

Description

technical field [0001] The invention belongs to the field of engine combustion chambers, and relates to a split combustion chamber with a strip-shaped channel structure. Background technique [0002] Safety, high-speed travel, and cheap manufacturing are major considerations in the development of aerospace vehicles for carrying passengers, missiles, and reusable launch vehicles. Hypersonic jet vehicles have long been a goal of researchers. Hypersonic vehicles can reach speeds above Mach 5. Since the thrust-to-weight ratio is about 2, the scramjet engine needs to be optimized in order to minimize the structural weight and increase the payload mass. The high combustion rate of the scramjet to generate thrust results in very high heat flow over the combustor panels, requiring a cooling system to protect the combustor walls. The inner walls of the combustion chamber are exposed to the continuous high heat flow of the combustion chamber, and active cooling is considered as a so...

AI Technical Summary

Problems solved by technology

Engine design has always followed the principle of integrated design, but the integrated engine combustion chamber is not suitable for reusable vehicles. Whenever there is a problem with the combustion chamber, the entire combustion chamber must be replaced, and the cost will increase accordingly

Moreover, the integrated engine has a large scale and a large temperature gradient, which leads to obvious stress concentration and is prone to structural failure.

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