Validation of Local Resistance Coefficients Involved in Evaluation of Characteristics of Internal Ballistics in Solid Rocket Engines in One-Dimensional Approximation

Sabirzyanov A. N.; Khamatnurova Ch. B.; Kirillova A. N.

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Validation of Local Resistance Coefficients Involved in Evaluation of Characteristics of Internal Ballistics in Solid Rocket Engines in One-Dimensional Approximation

机译：Validation of Local Resistance Coefficients Involved in Evaluation of Characteristics of Internal Ballistics in Solid Rocket Engines in One-Dimensional Approximation

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摘要

Local resistance coefficients are estimated in order to improve the prediction accuracy of internal ballistics in solid rocket engines in one-dimensional setup for single-perforated axisymmetric grains. The numerical model is verified demonstrating satisfactory agreement between numerical simulation and experimental results. Correlations between loss coefficients and geometric parameters of solid rocket engine duct are obtained. Differences between the calculated local resistance coefficients and their reference values for channels with impermeable walls are demonstrated.

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来源
《Russian Aeronautics》 |2021年第4期|742-748|共7页
作者
Sabirzyanov A. N.; Khamatnurova Ch. B.; Kirillova A. N.;
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作者单位

Tupolev Kazan State Technical University;

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原文格式 PDF
正文语种英语
中图分类航空;
关键词
solid rocket engine; internal ballistics; local resistance coefficient; numerical simulation; verification; permeable wall;

Validation of Local Resistance Coefficients Involved in Evaluation of Characteristics of Internal Ballistics in Solid Rocket Engines in One-Dimensional Approximation

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