Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends

This work aimed at investigating blends of Khaya senegalensis biodiesel in a compression ignition engine, attempting to improve engine performance and reduce CO2 emission compared with conventional diesel. Analysis of System (ANSYS) was used to predict in-cylinder behavior of the fuel. ANSYS SpaceCl...

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Main Authors: Elijah Eferoghene Onojowho, Eriola Betiku, Abraham Awolola Asere
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844024044116
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author Elijah Eferoghene Onojowho
Eriola Betiku
Abraham Awolola Asere
author_facet Elijah Eferoghene Onojowho
Eriola Betiku
Abraham Awolola Asere
author_sort Elijah Eferoghene Onojowho
collection DOAJ
description This work aimed at investigating blends of Khaya senegalensis biodiesel in a compression ignition engine, attempting to improve engine performance and reduce CO2 emission compared with conventional diesel. Analysis of System (ANSYS) was used to predict in-cylinder behavior of the fuel. ANSYS SpaceClaim generated the geometric model on which 5° sector and mesh refinement was on ANSYS Internal Combustion Engine Modeler (ICEM). Computational domain of interest lies within the compression and expansion strokes. Experimental validation followed: 5% biodiesel, 95% diesel (B5); 15% biodiesel, 85% diesel (B15); 25% biodiesel, 75% diesel (B25); pure diesel (D100); pure biodiesel (B100) in volume proportions. B15 has the highest brake mean effective pressure (BMEP) of 4 bar as load increases. An experimental and numerical comparison reveals pressure declination against speed increment. Ignition temperature fluctuated between 799.76 and 806.256 K for D100 and 760.73–790.62 K for B100 within 1800–2800 rpm speed limit prediction. Power and brake thermal efficiency (BTE) had parallel load increment with all blends. CO2 emission on increasing load conditions were 47.01%, 8.07%, 21.72% and 6.06% for B5, B15, B25, and B100 respectively lower than D100. Pressure and temperature contours gave proper combustion predicted behaviors. All blends possess replaceable performance potential for D100 however, B5 offers better reliable potentials.
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spelling doaj.art-37849bec8de3423c9e981302c18e2f8a2024-04-03T04:26:56ZengElsevierHeliyon2405-84402024-04-01107e28380Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blendsElijah Eferoghene Onojowho0Eriola Betiku1Abraham Awolola Asere2Department of Mechanical Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria; Department of Mechanical Engineering, University of Nigeria, Nsukka, Nigeria; Corresponding author. P. O. Box 41, Abraka, Nigeria.Department of Chemical Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria; Department of Biology, Florida Agricultural and Mechanical University, Tallahassee, FL 32307, USADepartment of Mechanical Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria; Department of Automobile Engineering, Elizade University Ilara-Mokin, NigeriaThis work aimed at investigating blends of Khaya senegalensis biodiesel in a compression ignition engine, attempting to improve engine performance and reduce CO2 emission compared with conventional diesel. Analysis of System (ANSYS) was used to predict in-cylinder behavior of the fuel. ANSYS SpaceClaim generated the geometric model on which 5° sector and mesh refinement was on ANSYS Internal Combustion Engine Modeler (ICEM). Computational domain of interest lies within the compression and expansion strokes. Experimental validation followed: 5% biodiesel, 95% diesel (B5); 15% biodiesel, 85% diesel (B15); 25% biodiesel, 75% diesel (B25); pure diesel (D100); pure biodiesel (B100) in volume proportions. B15 has the highest brake mean effective pressure (BMEP) of 4 bar as load increases. An experimental and numerical comparison reveals pressure declination against speed increment. Ignition temperature fluctuated between 799.76 and 806.256 K for D100 and 760.73–790.62 K for B100 within 1800–2800 rpm speed limit prediction. Power and brake thermal efficiency (BTE) had parallel load increment with all blends. CO2 emission on increasing load conditions were 47.01%, 8.07%, 21.72% and 6.06% for B5, B15, B25, and B100 respectively lower than D100. Pressure and temperature contours gave proper combustion predicted behaviors. All blends possess replaceable performance potential for D100 however, B5 offers better reliable potentials.http://www.sciencedirect.com/science/article/pii/S2405844024044116ICEKhaya senegalensis fuel combustionNumerical-experimental engine performance comparisonBinary blending propertiesCarbon (iv) oxide emission
spellingShingle Elijah Eferoghene Onojowho
Eriola Betiku
Abraham Awolola Asere
Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
Heliyon
ICE
Khaya senegalensis fuel combustion
Numerical-experimental engine performance comparison
Binary blending properties
Carbon (iv) oxide emission
title Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
title_full Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
title_fullStr Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
title_full_unstemmed Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
title_short Performance and CO2 emission of a single cylinder compression ignition engine powered by Khaya senegalensis non-edible seeds fuel blends
title_sort performance and co2 emission of a single cylinder compression ignition engine powered by khaya senegalensis non edible seeds fuel blends
topic ICE
Khaya senegalensis fuel combustion
Numerical-experimental engine performance comparison
Binary blending properties
Carbon (iv) oxide emission
url http://www.sciencedirect.com/science/article/pii/S2405844024044116
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AT abrahamawololaasere performanceandco2emissionofasinglecylindercompressionignitionenginepoweredbykhayasenegalensisnonedibleseedsfuelblends