The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane

The molecular structure of mixed hydrous and anhydrous ethanol with up to 10% v n-heptane had been studied. The burning velocity was examined in a cylindrical explosion combustion chamber. The result showed that the burning velocity of hydrous ethanol is higher than anhydrous ethanol and n-heptane a...

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Main Authors: I Made Suarta, I. N. G. Wardana, Nurkholis Hamidi, Widya Wijayanti
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Journal of Combustion
Online Access:http://dx.doi.org/10.1155/2016/9093428
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author I Made Suarta
I. N. G. Wardana
Nurkholis Hamidi
Widya Wijayanti
author_facet I Made Suarta
I. N. G. Wardana
Nurkholis Hamidi
Widya Wijayanti
author_sort I Made Suarta
collection DOAJ
description The molecular structure of mixed hydrous and anhydrous ethanol with up to 10% v n-heptane had been studied. The burning velocity was examined in a cylindrical explosion combustion chamber. The result showed that the burning velocity of hydrous ethanol is higher than anhydrous ethanol and n-heptane at stoichiometric, rich, and very rich mixtures. The burning velocity of hydrous ethanol with n-heptane drops drastically compared to the burning velocity of anhydrous ethanol with n-heptane. It is caused by two reasons. Firstly, there was a composition change of azeotropic hydrous ethanol molecules within the mixture of fuel. Secondly, at the same volume the number of ethanol molecules in hydrous ethanol was less than in anhydrous ethanol at the same composition of the n-heptane in the mixture. At the mixture of anhydrous ethanol with n-heptane, the burning velocity decreases proportionally to the addition of the n-heptane composition. The burning velocity is between the velocities of anhydrous ethanol and n-heptane. It shows that the burning velocity of anhydrous ethanol mixed with n-heptane is only influenced by the mixture composition.
format Article
id doaj-art-4825c2d1f14d4f7b97568077e2054141
institution Kabale University
issn 2090-1968
2090-1976
language English
publishDate 2016-01-01
publisher Wiley
record_format Article
series Journal of Combustion
spelling doaj-art-4825c2d1f14d4f7b97568077e20541412025-02-03T05:49:45ZengWileyJournal of Combustion2090-19682090-19762016-01-01201610.1155/2016/90934289093428The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-HeptaneI Made Suarta0I. N. G. Wardana1Nurkholis Hamidi2Widya Wijayanti3Mechanical Engineering Department, Bali State Polytechnic, Badung, Bali 80361, IndonesiaDepartment of Mechanical Engineering, Brawijaya University, Malang, East Java, IndonesiaDepartment of Mechanical Engineering, Brawijaya University, Malang, East Java, IndonesiaDepartment of Mechanical Engineering, Brawijaya University, Malang, East Java, IndonesiaThe molecular structure of mixed hydrous and anhydrous ethanol with up to 10% v n-heptane had been studied. The burning velocity was examined in a cylindrical explosion combustion chamber. The result showed that the burning velocity of hydrous ethanol is higher than anhydrous ethanol and n-heptane at stoichiometric, rich, and very rich mixtures. The burning velocity of hydrous ethanol with n-heptane drops drastically compared to the burning velocity of anhydrous ethanol with n-heptane. It is caused by two reasons. Firstly, there was a composition change of azeotropic hydrous ethanol molecules within the mixture of fuel. Secondly, at the same volume the number of ethanol molecules in hydrous ethanol was less than in anhydrous ethanol at the same composition of the n-heptane in the mixture. At the mixture of anhydrous ethanol with n-heptane, the burning velocity decreases proportionally to the addition of the n-heptane composition. The burning velocity is between the velocities of anhydrous ethanol and n-heptane. It shows that the burning velocity of anhydrous ethanol mixed with n-heptane is only influenced by the mixture composition.http://dx.doi.org/10.1155/2016/9093428
spellingShingle I Made Suarta
I. N. G. Wardana
Nurkholis Hamidi
Widya Wijayanti
The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
Journal of Combustion
title The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
title_full The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
title_fullStr The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
title_full_unstemmed The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
title_short The Role of Hydrogen Bonding on Laminar Burning Velocity of Hydrous and Anhydrous Ethanol Fuel with Small Addition of n-Heptane
title_sort role of hydrogen bonding on laminar burning velocity of hydrous and anhydrous ethanol fuel with small addition of n heptane
url http://dx.doi.org/10.1155/2016/9093428
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