气体发生器气化室压力的测定

Kostyantyn Pimenov
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引用次数: 0

摘要

工作目的:测定燃气发生器气化室压力变化规律。工作方法:一种综合方法,包括对气体发生器工作室内气相热力学参数变化过程的理论研究,以及根据气体发生器内温度及其组成确定工作介质压力的计算和分析方法。结果:得到了不同工作模式下燃气发生器工作室内压力变化规律。科学创新:根据工作介质的温度和组成、固体燃料的湿度等环境因素,对燃气发生器工作室内工作介质的压力指标进行建模和计算。根据范德华方程,考虑到气相是真正的气体。提出了一种基于混合气体定量指标数据的压力计算算法。建立了气体发生器工作温度范围内气体介质行为的规律。实际意义:所得结果可以确定燃气发生器在不同运行模式下的工作室内压力,并为窄标准尺寸燃气发生器的相应节点(壳体、密封装置等)制定相应的设计方案。关键词:燃气发生器,燃烧室,压力,理想气体,非理想气体,燃气-空气混合物,温度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
DETERMINATION OF PRESSURE IN THE GASIFICATION CHAMBER OF THE GAS GENERATOR
The purpose of the work: determination of patterns of pressure changes in the gasification chamber of the gas generator. Methodology of the work: a comprehensive approach, which includes theoretical studies of the processes of changing the thermodynamic parameters of the gas phase in the working chamber of the gas generator, a calculation and analytical method for determining the pressure of the working medium, depending on the temperature and its composition in the gas generator. Results: patterns of pressure changes in the working chamber of the gas generator at different operating modes were obtained. Scientific innovation: modeling and calculation of pressure indicators of the working medium in the working chamber of the gas generator, depending on the environmental factors: temperature and composition of the working medium, humidity of solid fuel, were carried out. It is taken into account that the gaseous phase is a real gas, according to the Van der Waals equation. An algorithm for calculating pressure based on data on quantitative indicators of gases in the mixture is proposed. The regularities of the behavior of the gas medium in the range of operating temperatures of the gas generator have been established. Practical significance: the obtained results made it possible to determine the pressure in the working chamber of the gas generator under different modes of its operation and to develop appropriate design solutions for the corresponding nodes (housing, sealing devices, etc.) of gas generators of narrow standard sizes. Key words: gas generator, combustion chamber, pressure, ideal gas, non-ideal gas, gas-air mixture, temperature.
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