Effect on Diesel Engine Performance Parameters Using Hydrogen and Oxygen Produced on Demand

Robson do Carmelo Santos Barreiros, Elias Amancio Siqueira-Filho, Alesson Itallo Ribeiro Dias Silva, Flávio Wilson Barreiros De Oliveira, Priscilla Bernardo Mendonça Barreiros, Mirna Dimenstein, Leonie Asfora Sarubbo, Rosa Lúcia Martins dos Santos and Vanias De Araújo Júnior
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Robson do Carmelo Santos Barreiros: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Elias Amancio Siqueira-Filho: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Alesson Itallo Ribeiro Dias Silva: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Flávio Wilson Barreiros De Oliveira: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Priscilla Bernardo Mendonça Barreiros: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Mirna Dimenstein: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Leonie Asfora Sarubbo: Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, Prado, Recife 50751-310, Brazil
Rosa Lúcia Martins dos Santos: Energética SUAPE II S.A, Rodovia PE-60, Km 10, 8100 Complexo Portuário de SUAPE, Cabo de Santo Agostinho 54510-350, Brazil
Vanias De Araújo Júnior: Energética SUAPE II S.A, Rodovia PE-60, Km 10, 8100 Complexo Portuário de SUAPE, Cabo de Santo Agostinho 54510-350, Brazil

Energies, 2022, vol. 15, issue 19, 1-16

Abstract: Hydrogen is seen as a future energy carrier since its chemical compounds make up a large part of the Earth’s surface. This study sought to analyze the impact related to the inclusion of hydrogen and oxygen gases produced on demand by an alkaline electrolyzer to the engine added directly through the fuel intake line. For this purpose, performance parameters were monitored, such as liquid fuel consumption and greenhouse gas emissions, and correlated to any effect observed on the engine’s power output and combustion behavior. A 58 kVA nominal power motor-generator was used, coupled with a resistive load bank (20 kW), where two fuel configurations were tested (diesel injection only and a mixture of diesel, hydrogen and oxygen) and compared. A total of 42 tests were performed considering both the admission gases into the fuel intake line and also diesel supply only for baseline. A substantial decrease in fuel consumption was observed (7.59%) when the blend configuration was used despite a decrease in the engine’s work (1.07%). It was also possible to see a common pattern between NO and NO 2 emissions for both fuel configurations, while the behavior of the CO 2 and CO emissions indicated a higher complete diesel burning fraction when using the gases on demand. Therefore, we can verify that the use of hydrogen and oxygen gases produced on demand in the fuel intake line is a promising alternative to provide a decrease in liquid fuel consumption and an overall improvement in engine combustion.

Keywords: hydrogen; combustion behavior; gas emission; fuel consumption; greenhouse effect; renewable energy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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