Relation between flame chemiionization and variable-volume combustion chamber temperature and pressure

Abstract

The article presents the results of investigating the relation between flame chemiionization and the flame temperature and pressure in a variable- volume combustion chamber. Functional dependences of flame temperature and maximum pressure on the electron current caused by flame chemiionization, fundamental characteristics of flame propagation and combustion efficiency are presented. Comparison of the temperature calculated by the proposed method with experimental data shows that with the excess air factor of 0.8 to 1.15, the precision is more than 85%. Comparison of the maximum pressure obtained experimentally and calculated by the refined Vibe model, using the proposed formulas, showed good agreement. The results of the work can be used to predict and monitor maximum flame temperature and pressure in the combustion chamber of an internal combustion engine and other power plants using an ionization probe.

About the authors

A. P. Shaikin

Togliatti State University

Author for correspondence.
Email: td@tltsu.ru

Doctor of Science (Engineering), Professor
Professor of the Department of Energy Machines and Control Systems

Russian Federation

I. R. Galiev

Togliatti State University

Email: sbs777@yandex.ru

Candidate of Science (Engineering)
Associate Professor of the Department of Vehicle Design and Operation

Russian Federation

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