Today the world energy market is in great transition and the demand for clean energy such as liquefied natural gas (LNG) is increasing rapidly. LNG is the main transfer form of long-range for water transportation and short range for land…
The conversion of existing diesel engines to spark ignition (SI) operation by adding a low-pressure injector in the intake manifold for fuel delivery and replacing the original high-pressure fuel injector with a spark plug to initiate and control the…
The projected increase in the availability of gaseous fuels by growing popularity of household natural gas (NG) filling stations and the increase in the production of gaseous biogas-derived fuels is conducive to an increase in the use of NG fuel.…
About 85% of petroleum oil need of India is being met through imports. Indian economy is growing steadily resulting in rapid increase of vehicular population and demand for transportation fuels. Indian Government has already mandated blending of…
Engine experiments were performed for measurement of regulated, unregulated, and particulate emissions using a 2.2 L transportation compression ignition engine fueled with blends of diesel and biodiesels derived from Jatropha and waste cooking oils.…
There is a need for decarbonization in power generation and transportation. Natural gas can replace conventional petroleum fuels due to its low carbon-to-hydrogen ratio, especially in existing diesel engines. This paper was based on the hypothesis…
The effect of hydroxy (HHO) gas or Brown gas addition as a secondary fuel on the performance, exhaust emissions, and lean operation limit of a spark-ignition (SI) engine was experimentally investigated in this study. The tests were performed on a…
In-situ combustion is considered as one of the most effective ways to enhance recovery of heavy crude oils and bitumens. The oxygen from injected air reacts with the heavy components of the crude oil, forming a hot zone in which the cracking and…
A solution to increase the use of natural gas in U.S. is to convert existing diesel engines to natural-gas spark-ignition operation through the addition of a gas injector in the intake manifold and of a spark plug in place of the diesel injector.…
Lean-burn natural-gas spark-ignition combustion inside a diesel geometry is characterized by two distinct and successive events: a rapid burning process inside the piston bowl, followed by a much slower burn inside the squish region. This paper used…
Dual-fuel premixed charge compression ignition (DF-PCCI) combustion has been proven to be a viable alternative to conventional diesel combustion in heavy-duty compression ignition engines due to its low nitrogen oxides (NOx) and particulate matter…
The laminar burning velocity of H2 and CO enriched natural gas (HyCONG) mixtures measured through spherically expanding flames method under three different fuel-air equivalence ratios (0.6, 0.8, and 1.0) at room temperature and atmospheric pressure.…
In CNG/Diesel reactivity controlled compression ignition (RCCI) engines, because of low reactivity fuel (natural gas) spread of flame in combustion chamber suffers process of combustion and also there is more unburned hydrocarbon emission in this…
The demand for higher output efficiencies, greater specific power output, increased reliability, and ever reduced emissions has been rising. One promising alternative is the use of a gaseous fuel as partial supplement to liquid fuel. In this study,…
Partial conversion of the large inventory of compressionignition engines to natural-gas (NG) spark-ignition lean-burn operation can reduce U.S. dependence on imported petroleum and enhance national energy security. This paper describes some of the…
A singlecylinder marine diesel engine was modified to be operated in reactivity controlled compression ignition (RCCI) combustion mode. The engine fueling system was upgraded to a common rail fuel injection system. Natural gas (NG) was used as port…
Compressed natural gas (CNG) is a promising alternative fuel for compression ignition (CI) engines under dual-fuel (DF) mode operation. Its application on commercial heavy-duty multicylinder diesel engines is scarcely reported, and its potential…
Oxygenates should be added to gasoline fractions because they are environmentally friendly and have a high-octane rating. This research investigates new recipes for producing high-octane gasoline based on gas raw materials by using isooctene. Blend…
Converting existing compression ignition (CI) engines to spark ignition (SI) operation can increase the use of natural gas (NG) in heavy-duty engine applications and reduce the reliance on petroleum fuels. Gas fumigation upstream of the intake…
The present work investigates the effect of two-step fuel injection on a four-cylinder engine which has been altered from port injection to direct injection. Hydrogen enriched compressed natural gas (HCNG) blend has been utilized as a substitute in…
Scope: This test method covers the determination of nitrogen oxides (NO and NO2), carbon monoxide (CO), and oxygen (O2) concentrations in controlled and uncontrolled emissions from natural gas-fired reciprocating engines, combustion turbines,…
Petrochemicals are the main source of pollution that can be controlled with the implementation of hydrogen fuel in transportation sector due to the property of carbon free structure. In the present study, experiments of gas engine have been conducted…
The combination of hydrogen enrichment and pre-chamber initiated turbulent jet ignition was proposed to improve the combustion and performance of large bore gas engines. In order to clarify the effects of hydrogen enrichment level on the combustion…
In this paper, a more efficient way of rainwater harvesting is proposed. Due to vast globalization, urbanization and modernization the quality of our surroundings is degraded, which in turn, affects the natural phenomenon of rains too. The burning of…
Controlling and defensive the higher air greatness has gotten one in everything about first imperative occasions in different creating and metropolitan districts at the present. The greatness of air is adversely contacting collectible to the…
The present work investigates the effect of two-step fuel injection on a four-cylinder engine which has been altered from port injection to direct injection. Hydrogen enriched compressed natural gas (HCNG) blend has been utilized as a substitute in…
This work introduces CeZr0.5GdO4 spinel particles as novel oxygen carriers for use in the reforming and decomposition of methane into H2 and CO via the chemical looping technique. These particles were prepared by a modified sol-gel combustion method…
Petrochemicals are the main source of pollution that can be controlled with the implementation of hydrogen fuel in transportation sector due to the property of carbon free structure. In the present study, experiments of gas engine have been conducted…
There is a need for decarbonization in power generation and transportation. Natural gas can replace conventional petroleum fuels due to its low carbon-to-hydrogen ratio, especially in existing diesel engines. This paper was based on the hypothesis…
The combination of hydrogen enrichment and pre-chamber initiated turbulent jet ignition was proposed to improve the combustion and performance of large bore gas engines. In order to clarify the effects of hydrogen enrichment level on the combustion…