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Registration Number

0307U003606, 0106U001726 , R & D reports

Title

Development of methods of mathematical modeling and experimental simulation of gasdynamic flows in presence of phase and non-equilibrium physico-chemical transformations and studies in lows of high-temperature processes.

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Моніторинг сучасного стану питання по вивченню впливу фазових переходів, термохімічної конверсії і горіння на високотемпературні газодинамічні течії в каналах і струменях. Формулювання раціональних математичних моделей.

Head

Tymoshenko Valerij Ivanovych,

Registration Date

24-04-2007

Organization

Institute of Technical Mechanics of NASU and NSAU

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Objects of research are high-temperature thermo-gas-dynamic processes in technological devices. The purpose of work is the monitoring of the state of art on the problem of phase transitions, thermo-chemical conversion, and burning influence on high-temperature gas-dynamic flows in channels and jets and the formulation of the rational mathematical models. Used methods are calculated-analytical and experimental ones. The results obtained. The analysis of the state of art on the problem of phase transitions, thermo-chemical conversion, and burning influence on high-temperature gas-dynamic flows in channels and jets is made, and the rational mathematical models are formulated. With the purpose of modernization of the laboratory installation means of measurement are chosen. With use of monotonous finite-difference schemes of approximation of the extended order the software is created to calculate one and two-dimensional flows, and verification of self-oscillatory flows in channels is carried out. The verification of the simplified kinetic model of methane-in-air burning including four generalized reactions is carried out. Existing software is improved in the part of the account of gas evolution influence on the character of transients in pipelines and reservoirs. Test calculations of small draft jet engines start fed by gas-saturated fuel components are carried out. The field of application are gas dynamic processes in power technological devices, engine building, aerospace technical equipment.

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2020-04-02