Examining the significance of the ignition characteristics of hydrogen and liquefied-petroleum-gas on the reactivity controlled compression ignition and its interspersed profiles induced in an existing diesel engine: A comparative perspective

Chakraborty, Amitav; Biswas, Srijit; Meitei, Saratchandra; Sengupta, Anindita; Kakati, D.; Banerjee, Rahul

doi:10.1016/j.enconman.2022.115976

Cited by 10 publications

(1 citation statement)

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“…Many researchers have investigated the combustion of renewable fuels in both conventional and modern engines. 7,11,[28][29][30][31][32][33][34][35] Some researchers and companies moved one step further and have designed or manufactured special engines compatible with specific biofuels like bio-hydrogen. 36,37 In fact, burning of fossil fuels is the main reason for the combustion engines to be considered unsustainable and when it comes to the renewable fuels the combustion behavior of these fuels is not fully understood yet.…”

Section: Introductionmentioning

confidence: 99%

Understanding the effect of Intake temperature on the ϕ-sensitivity of toluene-ethanol reference fuels and neat ethanol

Alemahdi

Martı́nez

Tunér

2022

International Journal of Engine Research

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The low-temperature combustion (LTC) is an attractive concept that enables the modem combustion engines to move toward sustainability mainly by increasing the efficiency and decreasing the emissions. The modern combustion engines which are working based on the LTC concept have specific fuel requirements. Fuel ϕ-sensitivity is a key factor to be considered for tailoring fuels for these engines. Fuel with a high ϕ-sensitivity are more responsive to thermal or fuel stratifications; the auto-ignition properties of different air-fuel mixtures of these fuels, with different equivalence ratio (ϕ), are more diverse. This diversity provide a smoother heat release rate in stratified condition. In this study 11 different toluene–ethanol reference fuels (TERFs) in three research octane number (RON) groups of 63, 84, and 105 together with neat ethanol are evaluated. The Lund ϕ-sensitivity method is used to evaluate these fuels in a cooperative fuel research (CFR) engine. The effect of variation of intake temperature on pressure sensitivity of fuel at a constant combustion phasing is evaluated. This evaluation is performed at two intake temperature of 373 and 423 K, and the results are compared with the outcome of the Lund ϕ-sensitivity number with the intake temperature of 323 K. This study shows that the CR sensitivity response of different blends to the intake charge temperature variation depends on the fuel composition. Accumulated low temperature heat release and latent heat of vaporization. It proves that the fuel ϕ-sensitivity will vary under different thermodynamic conditions. There was a clear link between the accumulated heat released during the early reaction and CR sensitivity of the blends at different intake temperature of 373 and 423 K but the link with the latent heat of vaporization (HoV) found to be inexplicit.

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