Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics

The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different ope...
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Autor*in:	Huang Jinwei [verfasserIn] Ge Xinfeng [verfasserIn] Chu Dongdong [verfasserIn] Zhang Jing [verfasserIn] Xu Bing [verfasserIn] Gao Fei [verfasserIn] Zheng yuan [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	pelton turbine needle eccentric jet eccentricity JET shape

Übergeordnetes Werk:	In: Frontiers in Energy Research - Frontiers Media S.A., 2014, 10(2022)
Übergeordnetes Werk:	volume:10 ; year:2022

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fenrg.2022.882747

Katalog-ID:	DOAJ008659249

Internformat


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520			\|a The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated.
650		4	\|a pelton turbine
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allfields	10.3389/fenrg.2022.882747 doi (DE-627)DOAJ008659249 (DE-599)DOAJ71d2095969ad49689fab845e30b552c8 DE-627 ger DE-627 rakwb eng Huang Jinwei verfasserin aut Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated. pelton turbine needle eccentric jet eccentricity JET shape General Works A Huang Jinwei verfasserin aut Ge Xinfeng verfasserin aut Chu Dongdong verfasserin aut Zhang Jing verfasserin aut Xu Bing verfasserin aut Gao Fei verfasserin aut Gao Fei verfasserin aut Zheng yuan verfasserin aut In Frontiers in Energy Research Frontiers Media S.A., 2014 10(2022) (DE-627)768576768 (DE-600)2733788-1 2296598X nnns volume:10 year:2022 https://doi.org/10.3389/fenrg.2022.882747 kostenfrei https://doaj.org/article/71d2095969ad49689fab845e30b552c8 kostenfrei https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full kostenfrei https://doaj.org/toc/2296-598X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_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_370 GBV_ILN_602 GBV_ILN_2003 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022
spelling	10.3389/fenrg.2022.882747 doi (DE-627)DOAJ008659249 (DE-599)DOAJ71d2095969ad49689fab845e30b552c8 DE-627 ger DE-627 rakwb eng Huang Jinwei verfasserin aut Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated. pelton turbine needle eccentric jet eccentricity JET shape General Works A Huang Jinwei verfasserin aut Ge Xinfeng verfasserin aut Chu Dongdong verfasserin aut Zhang Jing verfasserin aut Xu Bing verfasserin aut Gao Fei verfasserin aut Gao Fei verfasserin aut Zheng yuan verfasserin aut In Frontiers in Energy Research Frontiers Media S.A., 2014 10(2022) (DE-627)768576768 (DE-600)2733788-1 2296598X nnns volume:10 year:2022 https://doi.org/10.3389/fenrg.2022.882747 kostenfrei https://doaj.org/article/71d2095969ad49689fab845e30b552c8 kostenfrei https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full kostenfrei https://doaj.org/toc/2296-598X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_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_370 GBV_ILN_602 GBV_ILN_2003 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022
allfields_unstemmed	10.3389/fenrg.2022.882747 doi (DE-627)DOAJ008659249 (DE-599)DOAJ71d2095969ad49689fab845e30b552c8 DE-627 ger DE-627 rakwb eng Huang Jinwei verfasserin aut Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated. pelton turbine needle eccentric jet eccentricity JET shape General Works A Huang Jinwei verfasserin aut Ge Xinfeng verfasserin aut Chu Dongdong verfasserin aut Zhang Jing verfasserin aut Xu Bing verfasserin aut Gao Fei verfasserin aut Gao Fei verfasserin aut Zheng yuan verfasserin aut In Frontiers in Energy Research Frontiers Media S.A., 2014 10(2022) (DE-627)768576768 (DE-600)2733788-1 2296598X nnns volume:10 year:2022 https://doi.org/10.3389/fenrg.2022.882747 kostenfrei https://doaj.org/article/71d2095969ad49689fab845e30b552c8 kostenfrei https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full kostenfrei https://doaj.org/toc/2296-598X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_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_370 GBV_ILN_602 GBV_ILN_2003 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022
allfieldsGer	10.3389/fenrg.2022.882747 doi (DE-627)DOAJ008659249 (DE-599)DOAJ71d2095969ad49689fab845e30b552c8 DE-627 ger DE-627 rakwb eng Huang Jinwei verfasserin aut Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated. pelton turbine needle eccentric jet eccentricity JET shape General Works A Huang Jinwei verfasserin aut Ge Xinfeng verfasserin aut Chu Dongdong verfasserin aut Zhang Jing verfasserin aut Xu Bing verfasserin aut Gao Fei verfasserin aut Gao Fei verfasserin aut Zheng yuan verfasserin aut In Frontiers in Energy Research Frontiers Media S.A., 2014 10(2022) (DE-627)768576768 (DE-600)2733788-1 2296598X nnns volume:10 year:2022 https://doi.org/10.3389/fenrg.2022.882747 kostenfrei https://doaj.org/article/71d2095969ad49689fab845e30b552c8 kostenfrei https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full kostenfrei https://doaj.org/toc/2296-598X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_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_370 GBV_ILN_602 GBV_ILN_2003 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022
allfieldsSound	10.3389/fenrg.2022.882747 doi (DE-627)DOAJ008659249 (DE-599)DOAJ71d2095969ad49689fab845e30b552c8 DE-627 ger DE-627 rakwb eng Huang Jinwei verfasserin aut Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated. pelton turbine needle eccentric jet eccentricity JET shape General Works A Huang Jinwei verfasserin aut Ge Xinfeng verfasserin aut Chu Dongdong verfasserin aut Zhang Jing verfasserin aut Xu Bing verfasserin aut Gao Fei verfasserin aut Gao Fei verfasserin aut Zheng yuan verfasserin aut In Frontiers in Energy Research Frontiers Media S.A., 2014 10(2022) (DE-627)768576768 (DE-600)2733788-1 2296598X nnns volume:10 year:2022 https://doi.org/10.3389/fenrg.2022.882747 kostenfrei https://doaj.org/article/71d2095969ad49689fab845e30b552c8 kostenfrei https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full kostenfrei https://doaj.org/toc/2296-598X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_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_370 GBV_ILN_602 GBV_ILN_2003 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022
language	English
source	In Frontiers in Energy Research 10(2022) volume:10 year:2022
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topic_facet	pelton turbine needle eccentric jet eccentricity JET shape General Works A
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container_title	Frontiers in Energy Research
authorswithroles_txt_mv	Huang Jinwei @@aut@@ Ge Xinfeng @@aut@@ Chu Dongdong @@aut@@ Zhang Jing @@aut@@ Xu Bing @@aut@@ Gao Fei @@aut@@ Zheng yuan @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
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To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. 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author	Huang Jinwei
spellingShingle	Huang Jinwei misc pelton turbine misc needle misc eccentric jet misc eccentricity misc JET shape misc General Works misc A Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics
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topic_title	Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics pelton turbine needle eccentric jet eccentricity JET shape
topic	misc pelton turbine misc needle misc eccentric jet misc eccentricity misc JET shape misc General Works misc A
topic_unstemmed	misc pelton turbine misc needle misc eccentric jet misc eccentricity misc JET shape misc General Works misc A
topic_browse	misc pelton turbine misc needle misc eccentric jet misc eccentricity misc JET shape misc General Works misc A
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title	Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics
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title_full	Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics
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title_sort	research on the effect of needle eccentricity on the jet flow characteristics
title_auth	Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics
abstract	The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated.
abstractGer	The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated.
abstract_unstemmed	The position of the nozzle in the jet mechanism of the impulse turbine may cause an eccentric jet due to size processing and installation deviations. To study the effect of jet needle eccentricity on the jet, this article first analyzes the jet characteristics of the jet mechanism with different openings (20, 40, 60, 80, 100%) under 4.8% eccentricity, verify the reliability of the research method in this paper. Then the focus is on the jet characteristics of the jet mechanism at different eccentricities (0, 1, 2.1, 4.8, 8, and 14%) at 40% opening. The results show that as the eccentricity of the nozzle increases, the jet appears to be asymmetrical, and the shape of the jet at the inlet section of the runner gradually changes and becomes an irregular shape. The eccentricity of the water jet increases with the increase of the eccentricity of the needle; the efficiency of the injection mechanism gradually decreases, and the energy loss gradually increases. Before the eccentricity of 4.8%, the efficiency decreases more slowly, and after the eccentricity of 4.8%, the rate of efficiency decrease is accelerated.
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title_short	Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics
url	https://doi.org/10.3389/fenrg.2022.882747 https://doaj.org/article/71d2095969ad49689fab845e30b552c8 https://www.frontiersin.org/articles/10.3389/fenrg.2022.882747/full https://doaj.org/toc/2296-598X
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Research on the Effect of Needle Eccentricity on the Jet Flow Characteristics

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