Improving the Efficiency of an Aircraft Power Plant With a Turboprop Engine Based on Watermethanol Mixture Injection

Eastern-European Journal of Enterprise Technologies, 2 (1 (116)), 6–15, 2022. doi: https://doi.org/10.15587/1729-4061.2022.254277

10 Pages Posted: 23 May 2022

See all articles by Yurii Ulitenko

Yurii Ulitenko

State Enterprise «Ivchenko-Progress»

Vasyl Loginov

National aerospace University - Kharkiv Aviation Institute

Igor Kravchenko

State Enterprise «Ivchenko-Progress»

Viktor Popov

JSC "FED"

Oleksandr Rasstrygin

Central Scientific Research Institute of Armament and Military Equipment of the Armed Forces of Ukraine

Аlexandr Yelansky

affiliation not provided to SSRN

Date Written: April 28, 2022

Abstract

This paper considers a technique for modernizing the power plant (PP) of a regional aircraft. The modernization is based on the injection of water or a water-methanol mixture into the compressor or combustion chamber of a turboprop engine (TPE). An algorithm has been developed for the thermodynamic calculation of TPE parameters, taking into consideration the injected mixture; the mathematical model (MM) has been improved. Methodical studies of the operability and range of application of the improved MM were carried out. The results of mathematical modeling were validated. For verification, the AI-450M turboshaft engine produced by GP Ivchenko-Progress (Ukraine) was used as an object of research. Based on the improved MM, a software module has been developed to study the performance characteristics of a regional aircraft with a TPE. The influence of water injection and a water-methanol mixture on the TPE operating process and the operational characteristics of a regional passenger aircraft has been studied.

The proposed measures could be implemented in existing TPEs. This would allow the operation of aircraft without significant modernization of the airport infrastructure. For TPE, the injection of water and a water-methanol mixture is an alternative way of boosting in order to temporarily improve performance. A given modernization technique could improve the TPE power up to ~10 %, as well as reduce the amount of harmful emissions.

The results obtained showed a satisfactory convergence of estimated and experimental data. The error of the results under the accepted assumptions does not exceed 3 %. The calculation results demonstrate the advantages of injection at the take-off stage of the aircraft to reduce the take-off distance (up to 45 % in hot conditions TAMB=+30 °C) and reduce the time of climbing the echelon (~10 %).

Keywords: turboprop engine, boosting, performance characteristics, water, mathematical model, harmful emissions

Suggested Citation

Ulitenko, Yurii and Loginov, Vasyl and Kravchenko, Igor and Popov, Viktor and Rasstrygin, Oleksandr and Yelansky, Аlexandr, Improving the Efficiency of an Aircraft Power Plant With a Turboprop Engine Based on Watermethanol Mixture Injection (April 28, 2022). Eastern-European Journal of Enterprise Technologies, 2 (1 (116)), 6–15, 2022. doi: https://doi.org/10.15587/1729-4061.2022.254277, Available at SSRN: https://ssrn.com/abstract=4109095

Yurii Ulitenko (Contact Author)

State Enterprise «Ivchenko-Progress» ( email )

Ivanova str., 2
Zaporizhzhia, 69068
Ukraine

Vasyl Loginov

National aerospace University - Kharkiv Aviation Institute ( email )

Chkalova Street, 17
Kharkiv, Kharkiv 61184
Ukraine

Igor Kravchenko

State Enterprise «Ivchenko-Progress» ( email )

Ivanova str., 2
Zaporizhzhia, 69068
Ukraine

Viktor Popov

JSC "FED" ( email )

Sumska str., 132
Kharkiv, 61023
Ukraine

Oleksandr Rasstrygin

Central Scientific Research Institute of Armament and Military Equipment of the Armed Forces of Ukraine ( email )

Povitroflotsky ave., 28
Kyiv, 03049
Ukraine

Аlexandr Yelansky

affiliation not provided to SSRN

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