Preview

Trudy NAMI

Advanced search

Improving the energy efficiency of a 6ChN13/15 gas engine with a Miller cycle by optimizing the valve timing

https://doi.org/10.51187/0135-3152-2021-4-41-52

Abstract

Introduction (problem statement and relevance). The object of research in this work is an inline six-cylinder gas engine 6ChN13/15 with a Miller thermodynamic cycle. On the basis of its computer model studies minimization of the specific effective fuel consumption has been reached due to variation study of gas distribution and air supply systems parameters.

The purpose of the study was to investigate the parameters regulation effect of gas distribution and air supply systems on the performance of a 6ChN13/15 gas engine with a Miller cycle on the external speed characteristic basing on numerical modeling.

Methodology and research methods. The research was carried out by the method of computer simulation. Numerical modeling was made on the basis of data obtained during a full-scale experiment of a 6ChN13/15 gas engine with Miller thermodynamic cycle.

Scientific novelty and results. A comparative analysis of a gas engine optimization results has been carried out. The results obtained will be used to create a gas engine and its further optimization by controlling the working process and the air supply system.

Practical significance. The results obtained may be of interest to truck car manufacturers and engine specialists.

About the Authors

A. V. Kozlov
Federal State Unitary Enterprise “Central Scientific Research Automobile and Automotive Engines Institute”
Russian Federation

D.Sc. (Eng), head of department “Energy-saving technologies and alternative fuels”, Center “Power units”

Moscow 125438



V. A. Fedorov
Federal State Unitary Enterprise “Central Scientific Research Automobile and Automotive Engines Institute”
Russian Federation

PhD (Eng), lead research engineer, Center “Power units”

Moscow 125438

 



K. V. Milov
Federal State Unitary Enterprise “Central Scientific Research Automobile and Automotive Engines Institute”
Russian Federation

Postgraduate, engineer, Center “Power units”

Moscow 125438

 



References

1. Luksho V.A. [Comprehensive method for improving the energy efficiency of gas engines with high compression ratios and shortened intake and exhaust strokes. Dr. eng. sci. diss.]. Moscow, FSUE “NAMI”, 2015. 369 p. (In Russian)

2. L’otko V., Lukanin V.N., Khachiyan A.S. [The use of alternative fuels in internal combustion engines]. Moscow, MADI (TU), 2000. 310 p. (In Russian)

3. Ter-Mkrtich’yan G.G. [Conversion of diesel engine to a gas engine with the actual compression ratio decreasing]. Sovremennye problemy nauki i obrazovaniya, 2014, no. 5. Available at: www.science-education.ru/119-14894 (accessed 03 December). (In Russian)

4. [Methodical instructions for the final qualifying work of a bachelor “Optimization of the valve timing of an internal combustion engine”]. Moscow, MADI Publ., 2015. 36 p. (In Russian)

5. Luksho V.A., Kozlov A.V., Terenchenko A.S., Demidov A.A. [Settlement researches of parameters of the spark ignition engine on gas fuels]. Transport na al’ternativnom toplive, 2011, no. 6 (24), pp. 28–33. (In Russian)

6. Bakhmutov S.V., Kozlov A.V., Luksho V.A., Terenchenko A.S. [Problematic issues of creation of highpowered gas and gas-diesel engines]. Mekhanika mashin, mekhanizmov i materialov, 2018, no. 4, pp. 13–23. (In Russian)

7. Ter-Mkrtich’yan G.G. [Engines with modified operating cycle and overexpansion]. Trudy NAMI, 2014, no. 259, pp. 59–71. (In Russian)

8. Moro D., Ponti F., Serra G. Thermodynamic Analysis of Variable Valve Timing Influence on SI Engine Efficiency. SAE Paper, 2001, no. 2001-01-0667.

9. Ferrera M. Highly Efficient Natural Gas Engines. SAE Technical Paper, 2017, no. 2017-24-0059.

10. Korchemnyy L.V. [Gas distribution mechanism of an automobile engine. Kinematics and dynamics]. Moscow, Mashinostroenie Publ., 1981. 191 p. (In Russian)

11. D’yachenko V.G. [Thermodynamic cycles of continuous expansion internal combustion engines]. Dvigateli vnutrennego sgoraniya, 2005, no. 1, pp. 25–29. (In Russian)

12. Matyukhin L.M., Ter-Mkrtich’yan G.G. [Hermodynamic foundations for calculating the operating cycle of engines with short intake or short compression based on the analysis of the composition of the working mixture]. Trudy NAMI, 2015, no. 263, pp. 35–44. (In Russian)


Review

For citations:


Kozlov A.V., Fedorov V.A., Milov K.V. Improving the energy efficiency of a 6ChN13/15 gas engine with a Miller cycle by optimizing the valve timing. Trudy NAMI. 2021;(4):41-52. (In Russ.) https://doi.org/10.51187/0135-3152-2021-4-41-52

Views: 311


Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.


ISSN 0135-3152 (Print)