Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines

Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light airc...
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Autor*in:	Longtao Shao [verfasserIn] Yu Zhou [verfasserIn] Shuai Zhao [verfasserIn] Tao Yu [verfasserIn] Kun Zhu [verfasserIn] Shuiting Ding [verfasserIn] Zheng Xu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	cross scavenging combustion characteristics small two-stroke aviation piston engines direct injection evaporation characteristic

Übergeordnetes Werk:	In: Processes - MDPI AG, 2013, 11(2023), 583, p 583
Übergeordnetes Werk:	volume:11 ; year:2023 ; number:583, p 583

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/pr11020583

Katalog-ID:	DOAJ079989675

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520			\|a Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light aircraft, with its cylinder specifically designed as cross scavenging. A 3-Dimentional transient model of in-cylinder flow and combustion process is established by the Forte platform, and the engine test system is set up. By comparing the simulation results to the experimental results, it showed that multi-ports cross scavenging can generate unbalanced aerodynamic torque in the cylinder. In the compression process, the swirl ratio (SR) gradually increases, and the peak SR reaches 15. Moreover, approximately 25% of exhaust residual gas in the cylinder is conducive to the fuel atomization and evaporation process in a high-altitude environment. When the injection timing is between −8 °CA and −16 °CA, the engine has the optimal power and economy performance at different altitudes. Finally, when the injection advance angle moves forward by 4 °CA, the maximum pressure increases by 2 MPa, with the rising rate decreasing gradually. The results have important significance for the development of the combustion system of small 2-Stroke Direct Injected HF-APEs.
650		4	\|a cross scavenging
650		4	\|a combustion characteristics
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650		4	\|a direct injection
650		4	\|a evaporation characteristic
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allfieldsSound	10.3390/pr11020583 doi (DE-627)DOAJ079989675 (DE-599)DOAJ08f4791823024d12808e48e93c570bf1 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Longtao Shao verfasserin aut Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light aircraft, with its cylinder specifically designed as cross scavenging. A 3-Dimentional transient model of in-cylinder flow and combustion process is established by the Forte platform, and the engine test system is set up. By comparing the simulation results to the experimental results, it showed that multi-ports cross scavenging can generate unbalanced aerodynamic torque in the cylinder. In the compression process, the swirl ratio (SR) gradually increases, and the peak SR reaches 15. Moreover, approximately 25% of exhaust residual gas in the cylinder is conducive to the fuel atomization and evaporation process in a high-altitude environment. When the injection timing is between −8 °CA and −16 °CA, the engine has the optimal power and economy performance at different altitudes. Finally, when the injection advance angle moves forward by 4 °CA, the maximum pressure increases by 2 MPa, with the rising rate decreasing gradually. The results have important significance for the development of the combustion system of small 2-Stroke Direct Injected HF-APEs. cross scavenging combustion characteristics small two-stroke aviation piston engines direct injection evaporation characteristic Chemical technology Chemistry Yu Zhou verfasserin aut Shuai Zhao verfasserin aut Tao Yu verfasserin aut Kun Zhu verfasserin aut Shuiting Ding verfasserin aut Zheng Xu verfasserin aut In Processes MDPI AG, 2013 11(2023), 583, p 583 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:11 year:2023 number:583, p 583 https://doi.org/10.3390/pr11020583 kostenfrei https://doaj.org/article/08f4791823024d12808e48e93c570bf1 kostenfrei https://www.mdpi.com/2227-9717/11/2/583 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 583, p 583
language	English
source	In Processes 11(2023), 583, p 583 volume:11 year:2023 number:583, p 583
sourceStr	In Processes 11(2023), 583, p 583 volume:11 year:2023 number:583, p 583
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	cross scavenging combustion characteristics small two-stroke aviation piston engines direct injection evaporation characteristic Chemical technology Chemistry
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container_title	Processes
authorswithroles_txt_mv	Longtao Shao @@aut@@ Yu Zhou @@aut@@ Shuai Zhao @@aut@@ Tao Yu @@aut@@ Kun Zhu @@aut@@ Shuiting Ding @@aut@@ Zheng Xu @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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callnumber-first	T - Technology
author	Longtao Shao
spellingShingle	Longtao Shao misc TP1-1185 misc QD1-999 misc cross scavenging misc combustion characteristics misc small two-stroke aviation piston engines misc direct injection misc evaporation characteristic misc Chemical technology misc Chemistry Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
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topic_title	TP1-1185 QD1-999 Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines cross scavenging combustion characteristics small two-stroke aviation piston engines direct injection evaporation characteristic
topic	misc TP1-1185 misc QD1-999 misc cross scavenging misc combustion characteristics misc small two-stroke aviation piston engines misc direct injection misc evaporation characteristic misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc cross scavenging misc combustion characteristics misc small two-stroke aviation piston engines misc direct injection misc evaporation characteristic misc Chemical technology misc Chemistry
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title	Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
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title_full	Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
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title_sort	study of scavenging and combustion processes for small two-stroke aviation heavy fuel direct injection engines
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title_auth	Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
abstract	Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light aircraft, with its cylinder specifically designed as cross scavenging. A 3-Dimentional transient model of in-cylinder flow and combustion process is established by the Forte platform, and the engine test system is set up. By comparing the simulation results to the experimental results, it showed that multi-ports cross scavenging can generate unbalanced aerodynamic torque in the cylinder. In the compression process, the swirl ratio (SR) gradually increases, and the peak SR reaches 15. Moreover, approximately 25% of exhaust residual gas in the cylinder is conducive to the fuel atomization and evaporation process in a high-altitude environment. When the injection timing is between −8 °CA and −16 °CA, the engine has the optimal power and economy performance at different altitudes. Finally, when the injection advance angle moves forward by 4 °CA, the maximum pressure increases by 2 MPa, with the rising rate decreasing gradually. The results have important significance for the development of the combustion system of small 2-Stroke Direct Injected HF-APEs.
abstractGer	Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light aircraft, with its cylinder specifically designed as cross scavenging. A 3-Dimentional transient model of in-cylinder flow and combustion process is established by the Forte platform, and the engine test system is set up. By comparing the simulation results to the experimental results, it showed that multi-ports cross scavenging can generate unbalanced aerodynamic torque in the cylinder. In the compression process, the swirl ratio (SR) gradually increases, and the peak SR reaches 15. Moreover, approximately 25% of exhaust residual gas in the cylinder is conducive to the fuel atomization and evaporation process in a high-altitude environment. When the injection timing is between −8 °CA and −16 °CA, the engine has the optimal power and economy performance at different altitudes. Finally, when the injection advance angle moves forward by 4 °CA, the maximum pressure increases by 2 MPa, with the rising rate decreasing gradually. The results have important significance for the development of the combustion system of small 2-Stroke Direct Injected HF-APEs.
abstract_unstemmed	Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion processes on a 2-Stroke Direct Injected HF-APEs for light aircraft, with its cylinder specifically designed as cross scavenging. A 3-Dimentional transient model of in-cylinder flow and combustion process is established by the Forte platform, and the engine test system is set up. By comparing the simulation results to the experimental results, it showed that multi-ports cross scavenging can generate unbalanced aerodynamic torque in the cylinder. In the compression process, the swirl ratio (SR) gradually increases, and the peak SR reaches 15. Moreover, approximately 25% of exhaust residual gas in the cylinder is conducive to the fuel atomization and evaporation process in a high-altitude environment. When the injection timing is between −8 °CA and −16 °CA, the engine has the optimal power and economy performance at different altitudes. Finally, when the injection advance angle moves forward by 4 °CA, the maximum pressure increases by 2 MPa, with the rising rate decreasing gradually. The results have important significance for the development of the combustion system of small 2-Stroke Direct Injected HF-APEs.
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title_short	Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
url	https://doi.org/10.3390/pr11020583 https://doaj.org/article/08f4791823024d12808e48e93c570bf1 https://www.mdpi.com/2227-9717/11/2/583 https://doaj.org/toc/2227-9717
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author2	Yu Zhou Shuai Zhao Tao Yu Kun Zhu Shuiting Ding Zheng Xu
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up_date	2024-07-04T01:37:57.061Z
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Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines

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