Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions

Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to...
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Gespeichert in:

Autor*in:	Li, Yikai [verfasserIn] Wang, Dongfang [verfasserIn] Shi, Zhongjie [verfasserIn] Chen, Haiyan [verfasserIn] Liu, Fushui [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method

Übergeordnetes Werk:	Enthalten in: Energy - Amsterdam [u.a.] : Elsevier Science, 1976, 227
Übergeordnetes Werk:	volume:227

DOI / URN:	10.1016/j.energy.2021.120423

Katalog-ID:	ELV005999278

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245	1	0	\|a Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
264		1	\|c 2021
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520			\|a Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude.
650		4	\|a Cold-start conditions
650		4	\|a Preheating
650		4	\|a Critical ignition conditions
650		4	\|a Altitude
650		4	\|a Numerical method
650		4	\|a Control method
700	1		\|a Wang, Dongfang \|e verfasserin \|4 aut
700	1		\|a Shi, Zhongjie \|e verfasserin \|0 (orcid)0000-0003-0132-7745 \|4 aut
700	1		\|a Chen, Haiyan \|e verfasserin \|4 aut
700	1		\|a Liu, Fushui \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Energy \|d Amsterdam [u.a.] : Elsevier Science, 1976 \|g 227 \|h Online-Ressource \|w (DE-627)320597903 \|w (DE-600)2019804-8 \|w (DE-576)116451815 \|x 1873-6785 \|7 nnns
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Indexfelder

author_variant	y l yl d w dw z s zs h c hc f l fl
matchkey_str	article:18736785:2021----::niomnaatvmtotcnrlnaerhaigodeeeg
hierarchy_sort_str	2021
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publishDate	2021
allfields	10.1016/j.energy.2021.120423 doi (DE-627)ELV005999278 (ELSEVIER)S0360-5442(21)00672-1 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Li, Yikai verfasserin aut Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude. Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method Wang, Dongfang verfasserin aut Shi, Zhongjie verfasserin (orcid)0000-0003-0132-7745 aut Chen, Haiyan verfasserin aut Liu, Fushui verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 227 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:227 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines VZ AR 227
spelling	10.1016/j.energy.2021.120423 doi (DE-627)ELV005999278 (ELSEVIER)S0360-5442(21)00672-1 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Li, Yikai verfasserin aut Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude. Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method Wang, Dongfang verfasserin aut Shi, Zhongjie verfasserin (orcid)0000-0003-0132-7745 aut Chen, Haiyan verfasserin aut Liu, Fushui verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 227 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:227 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines VZ AR 227
allfields_unstemmed	10.1016/j.energy.2021.120423 doi (DE-627)ELV005999278 (ELSEVIER)S0360-5442(21)00672-1 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Li, Yikai verfasserin aut Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude. Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method Wang, Dongfang verfasserin aut Shi, Zhongjie verfasserin (orcid)0000-0003-0132-7745 aut Chen, Haiyan verfasserin aut Liu, Fushui verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 227 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:227 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines VZ AR 227
allfieldsGer	10.1016/j.energy.2021.120423 doi (DE-627)ELV005999278 (ELSEVIER)S0360-5442(21)00672-1 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Li, Yikai verfasserin aut Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude. Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method Wang, Dongfang verfasserin aut Shi, Zhongjie verfasserin (orcid)0000-0003-0132-7745 aut Chen, Haiyan verfasserin aut Liu, Fushui verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 227 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:227 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines VZ AR 227
allfieldsSound	10.1016/j.energy.2021.120423 doi (DE-627)ELV005999278 (ELSEVIER)S0360-5442(21)00672-1 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Li, Yikai verfasserin aut Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude. Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method Wang, Dongfang verfasserin aut Shi, Zhongjie verfasserin (orcid)0000-0003-0132-7745 aut Chen, Haiyan verfasserin aut Liu, Fushui verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 227 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:227 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines VZ AR 227
language	English
source	Enthalten in Energy 227 volume:227
sourceStr	Enthalten in Energy 227 volume:227
format_phy_str_mv	Article
bklname	Energie: Allgemeines
institution	findex.gbv.de
topic_facet	Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method
dewey-raw	600
isfreeaccess_bool	false
container_title	Energy
authorswithroles_txt_mv	Li, Yikai @@aut@@ Wang, Dongfang @@aut@@ Shi, Zhongjie @@aut@@ Chen, Haiyan @@aut@@ Liu, Fushui @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320597903
dewey-sort	3600
id	ELV005999278
language_de	englisch
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In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. 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author	Li, Yikai
spellingShingle	Li, Yikai ddc 600 bkl 50.70 misc Cold-start conditions misc Preheating misc Critical ignition conditions misc Altitude misc Numerical method misc Control method Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
authorStr	Li, Yikai
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topic_title	600 VZ 50.70 bkl Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions Cold-start conditions Preheating Critical ignition conditions Altitude Numerical method Control method
topic	ddc 600 bkl 50.70 misc Cold-start conditions misc Preheating misc Critical ignition conditions misc Altitude misc Numerical method misc Control method
topic_unstemmed	ddc 600 bkl 50.70 misc Cold-start conditions misc Preheating misc Critical ignition conditions misc Altitude misc Numerical method misc Control method
topic_browse	ddc 600 bkl 50.70 misc Cold-start conditions misc Preheating misc Critical ignition conditions misc Altitude misc Numerical method misc Control method
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title	Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
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title_full	Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
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author_browse	Li, Yikai Wang, Dongfang Shi, Zhongjie Chen, Haiyan Liu, Fushui
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title_sort	environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
title_auth	Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
abstract	Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude.
abstractGer	Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude.
abstract_unstemmed	Preheating the fresh charge is an effective way to improve the diesel cold-start performance. In the present study, the minimum intake preheating powers at different ambient temperatures and densities were investigated by using the optical experiments, engine bench tests and thermodynamic theory, to explore an environment-adaptive method of intake preheating power at cold-start conditions. The optical experiment results show that the critical ignition temperature of diesel spray decreases rapidly and then slowly with the decrease of in-cylinder density, and a relation between them is established. The results of engine bench tests show that the actual in-cylinder pressure is smaller than the theoretical compression pressure, and the relation between them is established in a wide speed range. Based on the experimental results and the thermodynamic theory, we establish a map chart of the intake preheating power with the ambient temperature and altitude. The results show that the minimum intake preheating power increases linearly as the ambient temperature decreases at the speed of first injection, and it first decreases and then increases as the speed increases during speed-up period. The requirement of the minimum intake preheating powers at the speed of first injection and speed-up period have different turning points with the change of altitude.
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title_short	Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions
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author2	Wang, Dongfang Shi, Zhongjie Chen, Haiyan Liu, Fushui
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doi_str	10.1016/j.energy.2021.120423
up_date	2024-07-06T19:52:41.148Z
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Environment-adaptive method to control intake preheating for diesel engines at cold-start conditions

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