On the possibility of gel-like fuels application for the engines of guided aircraft

Aeronautical and Space-Rocket Engineering


DOI: 10.34759/vst-2022-3-56-64

Аuthors

Kabanov D. E.*, Maikova N. V.**, Makhrov V. P.***

Engineering Design Bureau “Iskra” named after Ivan Kartukov, 28, Leningrad Avenue, Moscow, 125284, Russia

*e-mail: saydaret@gmail.com
**e-mail: mayvik@yandex.ru
***e-mail: v_machrov@rambler.ru

Abstract

The article tackles with the problem associated with the possibilities of rocket engineering development based of innovative fuel charges for rocket engines of the guided aircraft (GA) in accordance with the conventional set of requirements to the fuel, which selection is being defined as one of the most crucial stages of creating the state-of-the-art samples of the rocket engineering.

On the assumption of the set problem, the authors conducted analysis of the existing developments and types of the gel-like rocket fuel to define the effectiveness of such fuels application as a prospective type of the fuel charge for the engines of GA.

Special attention was paid to the rocket fuel selection technique for application in the engine of the GA, based on the relative indicators of the fuel itself. The article presents the basic dependencies, which associate the rocket fuel parameters with tactical and technical characteristics of the aircraft itself. Being guided by the method of the rocket maximum ideal flight velocity, the authors define the basic parameters of the prospective fuel charge of a rocket engine, which enhancing will allow developing the sample of rocket engineering capable of surpassing the existing analogs by the set of important characteristics. Thus, the article confirms the effectiveness of the gel-like fuel application, which possesses high specific energy indicators and capable of ensuring increase of the tactical and technical characteristics of the missile itself, for the engines of the GA.

In this connection, the article describes the basic features of the gel-like rocket fuels uncovering the possibilities of the rocket fuel of this type application to solve the problems facing modern rocket building. The generalized technique for forming the gel-like rocket fuel composition employing equivalent formula for possible realization of maximum energy characteristics with the required operational parameters preserving of this type of rocket fuel was considered. The authors present herewith characteristic of the well-known gel-like rocket fuels contents, and define the possibilities of their improving by application of high-energy additives or well-defined relationship of the basic components.

The article regards the basic problems while creating the pilot sample of the rocket engine with the gel- like fuel charge stipulated by the specifics of this kind of the rocket fuel, which allow ensuring characteristics surpassing conventional analogs. In this connection, the article presents the description of the important design-engineering solutions, which are developed for the innovative sample of the rocket engine with the gel-like fuel charge realization. These solutions ensure also this engine effectiveness as a part of the missile due to the stressed state of the gel-like fuel charge, as well as the possibility of changing geometrical configuration of the combustion surface to achieve the appropriate values of the required thrust.

In conclusion, the authors give a brief characteristic of the possibilities of the gel-like rocket fuels application and adduce recommendations on their further upgrading for employing in the prospective rocket engines developments.

Keywords:

gel-like rocket fuel, rocket engine with gel-like fuel, heat-conducting element

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