Experimental investigations on effect of different compression ratios on enhancement of maximum hydrogen energy share in a compression ignition engine under dual-fuel mode

Chintala, Venkateswarlu; Subramanian, K.A.

doi:10.1016/j.energy.2015.05.014

Cited by 95 publications

(28 citation statements)

References 46 publications

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“…In the research, a small injection angle was suggested when the injection timing was at a early stage of intake stroke for the ideal fuel distribution. Amrouche et al [21] indicated that the hydrogen-enriched fuel effectively improved the combustion characteristics due to the wide flammability [24,25], small quenching distance [26], high diffusive and flame propagation velocities [27,28], and broadened lean burn limitations [1,29]. Su et al [15] investigated the combustion and exhaust emission characteristics of a hydrogen-blended n-butanol port injection Wankel engine at part load and stoichiometric conditions.…”

Section: Introductionmentioning

confidence: 99%

Preliminary explorations of the performance of a novel small scale opposed rotary piston engine

Gao

Tian

Jenner

et al. 2020

Energy

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Section: Introductionmentioning

confidence: 99%

Preliminary explorations of the performance of a novel small scale opposed rotary piston engine

Gao

Tian

Jenner

et al. 2020

Energy

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“…34 However, the thermal efficiency decreased little bit according to the Carnot theorem, that is the efficiency is based on the temperature limits. 40 Increasing the % EGR will lower down the in-cylinder temperature at the end of compression stroke and along the in-cylinder atmosphere. 22 The premixed controlled combustion and earlier initiation of combustion period happens when increasing of charge air temperature.…”

Section: Resultsmentioning

confidence: 99%

Effect of exhaust gas recirculation and charge inlet temperature on performance, combustion, and emission characteristics of diesel engine with bael oil blends

Krishnamoorthi

Malayalamurthi

2018

Energy & Environment

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The threat of fossil fuel depletion and augmented environmental pollution caused by diesel fleets can be curbed by adopting suitable fuel and engine modifications. In the present work, effects of engine speed (r/min), injection timing, injection pressure and compression ratio on performance and emission characteristics of a compression ignition engine were investigated. The ternary test fuel of 65% diesel + 25% bael oil + 10% diethyl ether has been used, where the tests have been conducted at different charge inlet temperature and exhaust gas recirculation. All the experiments were conducted at the trade-off engine load that is 75% engine load. When the diesel engine operating with 320 K charge inlet temperature, brake thermal efficiency has been improved to 28.6%. Meanwhile reduced emission levels of carbon monoxide (0.025%) and hydrocarbon (12.3 ppm) were observed during the engine operation with 320 K charge inlet temperature and compression ratio of 18:1. The oxides of nitrogen have been reduced to 226 ppm at 16:1 compression ratio with 30% exhaust gas recirculation mode.

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“…Raheman et al [2] performed experimental analysis by using a biodiesel with diesel fuel at variable compression ratio and injection timings. Chintala et al [3] investigated dual fuel operation in a variable compression ratio engine for enhancement of hydrogen share in the fuel. Hariram et al [4] investigated effects of variation in compression ratio on combustion and performance characteristics of direct injection compression ignition engine.…”

Section: Introductionmentioning

confidence: 99%

Temperature, Heat Distribution and Performance Analysis in a Variable Compression Ratio Internal Combustion Engine

Singh*,

Gupta,

Singh

2020

IJRTE

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The internal combustion engines are also known as heat engines because of the utilization of heat energy of the fuel to convert it in to mechanical energy of the engine which finally runs the vehicle. Therefore, it is necessary to examine the generation and utilization of heat inside and outside the engine. For the above mentioned purpose, a variable compression ratio engine was used to perform experiment. The heat distribution of the used engine was investigated to recognize the heat loss areas from the engine. The experiments were performed by changing compression ratio from 15 to 21 and an optimum compression ratio was found. The experiments are further extended to find an optimum load value at standard compression ratio of the engine. The analysis was performed by using various factor of heat utilization such as heat supplied by fuel, heat equivalent to brake power, heat loss to exhaust gases, heat loss to engine cooling water and heat unaccounted. The proposed research will be useful to overcome the challenges during selection of compression ratio for design of an engine in industries.

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Experimental investigations on effect of different compression ratios on enhancement of maximum hydrogen energy share in a compression ignition engine under dual-fuel mode

Cited by 95 publications

References 46 publications

Preliminary explorations of the performance of a novel small scale opposed rotary piston engine

Preliminary explorations of the performance of a novel small scale opposed rotary piston engine

Effect of exhaust gas recirculation and charge inlet temperature on performance, combustion, and emission characteristics of diesel engine with bael oil blends

Temperature, Heat Distribution and Performance Analysis in a Variable Compression Ratio Internal Combustion Engine

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