Experimental Investigations of the Hydrogen Injectors on the Combustion Characteristics and Performance of a Hydrogen Internal Combustion Engine
Hydrogen is regarded as an ideal zero-carbon fuel for an internal combustion engine. However, the low mass flow rate of the hydrogen injector and the low volume heat value of the hydrogen strongly restrict the enhancement of the hydrogen engine performance. This experimental study compared the effec...
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creator | Huang, Min Luo, Qinghe Sun, Baigang Zhang, Shiwei Wang, Kangda Bao, Lingzhi Li, Qian Tang, Xuelin Deng, Wei |
description | Hydrogen is regarded as an ideal zero-carbon fuel for an internal combustion engine. However, the low mass flow rate of the hydrogen injector and the low volume heat value of the hydrogen strongly restrict the enhancement of the hydrogen engine performance. This experimental study compared the effects of single-injectors and double-injectors on the engine performance, combustion pressure, heat release rate, and the coefficient of variation (CoVIMEP) based on a single-cylinder 0.5 L port fuel injection hydrogen engine. The results indicated that the number of hydrogen injectors significantly influences the engine performance. The maximum brake power is improved from 4.3 kW to 6.12 kW when adding the injector. The test demonstrates that the utilization of the double-injector leads to a reduction in hydrogen obstruction in the intake manifold, consequently minimizing the pumping losses. The pump mean effective pressure decreased from −0.049 MPa in the single-injector condition to −0.029 MPa in the double-injector condition with the medium loads. Furthermore, the double-injector exhibits excellent performance in reducing the coefficient of variation. The maximum CoVIMEP decreased from 2.18% in the single-injector configuration to 1.92% in the double-injector configuration. This result provides new insights for optimizing hydrogen engine injector design and optimizing the combustion process. |
doi_str_mv | 10.3390/su16051940 |
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However, the low mass flow rate of the hydrogen injector and the low volume heat value of the hydrogen strongly restrict the enhancement of the hydrogen engine performance. This experimental study compared the effects of single-injectors and double-injectors on the engine performance, combustion pressure, heat release rate, and the coefficient of variation (CoVIMEP) based on a single-cylinder 0.5 L port fuel injection hydrogen engine. The results indicated that the number of hydrogen injectors significantly influences the engine performance. The maximum brake power is improved from 4.3 kW to 6.12 kW when adding the injector. The test demonstrates that the utilization of the double-injector leads to a reduction in hydrogen obstruction in the intake manifold, consequently minimizing the pumping losses. The pump mean effective pressure decreased from −0.049 MPa in the single-injector condition to −0.029 MPa in the double-injector condition with the medium loads. Furthermore, the double-injector exhibits excellent performance in reducing the coefficient of variation. The maximum CoVIMEP decreased from 2.18% in the single-injector configuration to 1.92% in the double-injector configuration. This result provides new insights for optimizing hydrogen engine injector design and optimizing the combustion process.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su16051940</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Alternative energy sources ; Climate change ; Diesel engines ; Efficiency ; Emissions ; Energy consumption ; Energy resources ; Energy shortages ; Engines ; Experiments ; Hydrogen</subject><ispartof>Sustainability, 2024-03, Vol.16 (5), p.1940</ispartof><rights>2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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However, the low mass flow rate of the hydrogen injector and the low volume heat value of the hydrogen strongly restrict the enhancement of the hydrogen engine performance. This experimental study compared the effects of single-injectors and double-injectors on the engine performance, combustion pressure, heat release rate, and the coefficient of variation (CoVIMEP) based on a single-cylinder 0.5 L port fuel injection hydrogen engine. The results indicated that the number of hydrogen injectors significantly influences the engine performance. The maximum brake power is improved from 4.3 kW to 6.12 kW when adding the injector. The test demonstrates that the utilization of the double-injector leads to a reduction in hydrogen obstruction in the intake manifold, consequently minimizing the pumping losses. The pump mean effective pressure decreased from −0.049 MPa in the single-injector condition to −0.029 MPa in the double-injector condition with the medium loads. Furthermore, the double-injector exhibits excellent performance in reducing the coefficient of variation. The maximum CoVIMEP decreased from 2.18% in the single-injector configuration to 1.92% in the double-injector configuration. This result provides new insights for optimizing hydrogen engine injector design and optimizing the combustion process.</description><subject>Alternative energy sources</subject><subject>Climate change</subject><subject>Diesel engines</subject><subject>Efficiency</subject><subject>Emissions</subject><subject>Energy consumption</subject><subject>Energy resources</subject><subject>Energy shortages</subject><subject>Engines</subject><subject>Experiments</subject><subject>Hydrogen</subject><issn>2071-1050</issn><issn>2071-1050</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpNkF9LwzAUxYMoOOZe_AQF34TqvU3_LI9SphsM9EGfy22abB1bMpNW3LfwIy91gstLEs7hd-85jN0iPHAu4NH3mEOGIoULNkqgwBghg8uz9zWbeL-BcDhHgfmI_cy-98q1O2U62kYL86V8166oa63xkdVRt1bR_NA4u1ImyBslO-uCYn6V0u7q3g_mqFyTI9kFVvhLH5FpojfltHU7MlINLDonBacJE88IM7NqjbphV5q2Xk3-7jH7eJ69l_N4-fqyKJ-WsUyytItrwLSeAhJvNIFualQJFUVSk5qKvAiBtcp1JiltAPNGAGqpayLSkOckkI_Z3Ym7d_azD6mrje2HlXyViCwTiAETXPcnl3TWe6d0tQ9lkTtUCNVQevVfOj8CqGJ3xA</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Huang, Min</creator><creator>Luo, Qinghe</creator><creator>Sun, Baigang</creator><creator>Zhang, Shiwei</creator><creator>Wang, Kangda</creator><creator>Bao, Lingzhi</creator><creator>Li, Qian</creator><creator>Tang, Xuelin</creator><creator>Deng, Wei</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>4U-</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0009-0002-7371-367X</orcidid></search><sort><creationdate>20240301</creationdate><title>Experimental Investigations of the Hydrogen Injectors on the Combustion Characteristics and Performance of a Hydrogen Internal Combustion Engine</title><author>Huang, Min ; Luo, Qinghe ; Sun, Baigang ; Zhang, Shiwei ; Wang, Kangda ; Bao, Lingzhi ; Li, Qian ; Tang, Xuelin ; Deng, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c254t-b014b801a3dfa0fdb1e2a772bae8967071fe6f5ca4d016d901fcfbaaaf066a913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Alternative energy sources</topic><topic>Climate change</topic><topic>Diesel engines</topic><topic>Efficiency</topic><topic>Emissions</topic><topic>Energy consumption</topic><topic>Energy resources</topic><topic>Energy shortages</topic><topic>Engines</topic><topic>Experiments</topic><topic>Hydrogen</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Min</creatorcontrib><creatorcontrib>Luo, Qinghe</creatorcontrib><creatorcontrib>Sun, Baigang</creatorcontrib><creatorcontrib>Zhang, Shiwei</creatorcontrib><creatorcontrib>Wang, Kangda</creatorcontrib><creatorcontrib>Bao, Lingzhi</creatorcontrib><creatorcontrib>Li, Qian</creatorcontrib><creatorcontrib>Tang, Xuelin</creatorcontrib><creatorcontrib>Deng, Wei</creatorcontrib><collection>CrossRef</collection><collection>University Readers</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Min</au><au>Luo, Qinghe</au><au>Sun, Baigang</au><au>Zhang, Shiwei</au><au>Wang, Kangda</au><au>Bao, Lingzhi</au><au>Li, Qian</au><au>Tang, Xuelin</au><au>Deng, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental Investigations of the Hydrogen Injectors on the Combustion Characteristics and Performance of a Hydrogen Internal Combustion Engine</atitle><jtitle>Sustainability</jtitle><date>2024-03-01</date><risdate>2024</risdate><volume>16</volume><issue>5</issue><spage>1940</spage><pages>1940-</pages><issn>2071-1050</issn><eissn>2071-1050</eissn><abstract>Hydrogen is regarded as an ideal zero-carbon fuel for an internal combustion engine. However, the low mass flow rate of the hydrogen injector and the low volume heat value of the hydrogen strongly restrict the enhancement of the hydrogen engine performance. This experimental study compared the effects of single-injectors and double-injectors on the engine performance, combustion pressure, heat release rate, and the coefficient of variation (CoVIMEP) based on a single-cylinder 0.5 L port fuel injection hydrogen engine. The results indicated that the number of hydrogen injectors significantly influences the engine performance. The maximum brake power is improved from 4.3 kW to 6.12 kW when adding the injector. The test demonstrates that the utilization of the double-injector leads to a reduction in hydrogen obstruction in the intake manifold, consequently minimizing the pumping losses. The pump mean effective pressure decreased from −0.049 MPa in the single-injector condition to −0.029 MPa in the double-injector condition with the medium loads. Furthermore, the double-injector exhibits excellent performance in reducing the coefficient of variation. The maximum CoVIMEP decreased from 2.18% in the single-injector configuration to 1.92% in the double-injector configuration. This result provides new insights for optimizing hydrogen engine injector design and optimizing the combustion process.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/su16051940</doi><orcidid>https://orcid.org/0009-0002-7371-367X</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Alternative energy sources Climate change Diesel engines Efficiency Emissions Energy consumption Energy resources Energy shortages Engines Experiments Hydrogen |
title | Experimental Investigations of the Hydrogen Injectors on the Combustion Characteristics and Performance of a Hydrogen Internal Combustion Engine |
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