Impact of additives in Jet-A fuel blends on combustion, emission and exergetic analysis using a micro-gas turbine engine

Manigandan, S.; Atabani, A.E.; Ponnusamy, Vinoth Kumar; Gunasekar, P.

doi:10.1016/j.fuel.2020.118104

Cited by 82 publications

(33 citation statements)

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“…The main reason behind the G20T blends improved performance is its lower air fuel stoichiometric ratio leading to leaner and smooth combustion (Gunasekar et al, 2019b;Manigandan et al, 2020a). From the obtained results, it is clear that glycerol as an alternate fuel for fossil fuels.…”

Section: Thrust Specific Fuel Consumptionmentioning

confidence: 83%

“…Initially, the engine was allowed to run in ideal condition for 5 min with Jet-A fuel and the values were measured then the different composition fuels were tested. Before each fuel was tested, the idle condition run for Jet-A fuel was done every time (Manigandan et al, 2020a(Manigandan et al, , 2020d. All tests were conducted at ambient conditions.…”

Section: Testing Proceduresmentioning

confidence: 99%

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Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Devi¹,

Venkatesh²,

Vimal³

et al. 2020

AEAT

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Purpose This paper aims to investigate the effect of additives in Jet-A fuel blends, especially on performance, combustion and emission characteristics. Design/methodology/approach Jet-A fuel was formed by using Kay’s and Gruenberg–Nissan mixing rules by adding additive glycerol with TiO2. While measuring the combustion performance, the amount of oxygen content present in fuel and atomization are the key factors to consider. As such, the Jet-A fuel was created by adding additives at different proportion. A small gas turbine engine was used for conducting tests. All tests were carried out at different load conditions for all the fuel blends such as neat Jet-A fuel, G10T (glycerol 10% with 50 ppm TiO2 and Jet-A 90%), G20T (glycerol 10% with 50 ppm TiO2 and Jet-A 90%) and G30T (glycerol 10% with 50 ppm TiO2 and Jet-A 90%). Findings From tests, the G20T and G10T produced better results than other blends. The thermal efficiency of the blends of G20T and G10T are 22% and 14% higher than neat Jet-A fuel. Further, the improved static thrust with less fuel consumption was noticed in G20T fuel blend. Originality/value The G20T blends showed better performance because of the increased oxygenated compounds in the fuel blends. Moreover, the emission rate of environmentally harmful gases such as NOx, CO and HC was lower than the neat Jet-A fuel. From the results, it is clear that the rate of exergy destruction is more in the combustion chamber than the other components of fuel.

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Section: Thrust Specific Fuel Consumptionmentioning

confidence: 83%

Section: Testing Proceduresmentioning

confidence: 99%

Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Devi¹,

Venkatesh²,

Vimal³

et al. 2020

AEAT

View full text Add to dashboard Cite

show abstract

“…The previous studies [3][4][5] have conducted the experimental study by using a blended fuel such as carbon nanotubes, Jet-A, hydrogen, and so on. The results of these studies were interesting that the used blended fuel supported the combustion, so the matter by incomplete combustion was reduced.…”

Section: Introductionmentioning

confidence: 99%

“…4. Consequently, the best condition for simultaneously reducing exhaust emissions such as NO and soot value was determined as t eng = BTDC 23 deg, and CO 2 = 20%.…”

mentioning

confidence: 99%

Optimization of simultaneous reduction of NO and soot by using simulated‐exhaust gas recirculation (CO₂ + N₂) in compression ignition engine under early combustion conditions

Min

Suh

2020

Env Prog and Sustain Energy

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The objective of this study is to investigate the effect of CO2 mole fraction by simulated‐exhaust gas recirculation (EGR) on the simultaneous reduction of exhaust emission in CI engine, and to find the optimal operating conditions.For the better expression of the actual EGR, the different CO2 mole fractions from 0% to 20% were applied for the simulated‐EGR. The CO2 mole fraction by simulated‐EGR was changed in the initial air in steps of 5% from 0% to 20% in the cylinder. The N2 mole fraction in the initial air was also changed according to the CO2 mole fraction, and the O2 mole fraction was fixed by 16.2% due to the same overall equivalence ratio.When the CO2 mole fraction by simulated‐EGR increased by 5%, the peak cylinder pressure was decreased by about −1.5% and the indicated specific nitrogen oxide value was also reduced from −4.9% to −48.8% because the ignition delay was longer by the higher specific heat of CO2 than N2, it induced to suppress the rise of cylinder temperature. In addition, when the start of energizing timing was advanced until BTDC 23 deg, the ISSoot value was decreased because the proportion of premixed combustion was increased.

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“…Small unmanned aerial vehicle (UAV) usually uses aero-piston engines as the power plants. Compared to gas turbine engines, spark ignition (SI) engines are preferred for simple structure, high power to weight ratio and low cost advantages (Gunasekar et al , 2019; Sohret et al , 2019; Manigandan et al,. 2020a).…”

Section: Introductionmentioning

confidence: 99%

Study of low load performance on a two-stroke direct injection spark ignition aero-piston engine fuelled with diesel

Liu

Wei

2020

AEAT

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Purpose The purpose of this paper is to investigate power performance, economy and hydrocarbons (HC)/carbon monoxide (CO) emissions of diesel fuel on a two-stoke direct injection (DI) spark ignition (SI) engine. Design/methodology/approach Experimental study was carried out on a two-stroke SI diesel-fuelled engine with air-assisted direct injection, whose power performance and HC/CO emissions characteristics under low-load conditions were analysed according to the effects of ignition energy, ignition advance angle (IAA), injection timing angle and excess-air-ratio. Findings The results indicate that, for the throttle position of 10%, a large IAA with adequate ignition energy effectively increases the power and decrease the HC emission. The optimal injection timing angle for power and fuel consumption is 60° crank angle (CA) before top dead centre (BTDC). Lean mixture improves the power performance with the HC/CO emissions greatly reduced. At the throttle position of 20%, the optimal IAA is 30°CA BTDC. The adequate ignition energy slightly improves the power output and greatly decreases HC/CO emissions. Advancing the injection timing improves the power and fuel consumption but should not exceed the exhaust port closing timing in case of scavenging losses. Burning stoichiometric mixture achieves maximum power, whereas burning lean mixture obviously reduces the fuel consumption and the HC/CO emissions. Practical implications Gasoline has a low flash point, a high-saturated vapour pressure and relatively high volatility, and it is a potential hazard near a naked flame at room temperature, which can create significant security risks for its storage, transport and use. The authors adopt a low volatility diesel fuel for all vehicles and equipment to minimise the number of different devices using various fuels and improve the potential military application safety. Originality/value Under low-load conditions, the two stroke port-injected SI engine performance of burning heavy fuels including diesel or kerosene was shown to be worse than those of gasoline. The authors have tried to use the DI method to improve the performance of the diesel-fuelled engine in starting and low-load conditions.

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Impact of additives in Jet-A fuel blends on combustion, emission and exergetic analysis using a micro-gas turbine engine

Cited by 82 publications

References 50 publications

Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Optimization of simultaneous reduction of NO and soot by using simulated‐exhaust gas recirculation (CO₂ + N₂) in compression ignition engine under early combustion conditions

Study of low load performance on a two-stroke direct injection spark ignition aero-piston engine fuelled with diesel

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Impact of additives in Jet-A fuel blends on combustion, emission and exergetic analysis using a micro-gas turbine engine

Cited by 82 publications

References 50 publications

Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Influence of high oxygenated biofuels on micro-gas turbine engine for reduced emission

Optimization of simultaneous reduction of NO and soot by using simulated‐exhaust gas recirculation (CO2 + N2) in compression ignition engine under early combustion conditions

Study of low load performance on a two-stroke direct injection spark ignition aero-piston engine fuelled with diesel

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Optimization of simultaneous reduction of NO and soot by using simulated‐exhaust gas recirculation (CO₂ + N₂) in compression ignition engine under early combustion conditions