Technical evaluation and assessment of CNG/LPG bi-fuel and flex-fuel vehicle viability

Sinor, Jerry E.

doi:10.2172/10151317

Cited by 2 publications

(1 citation statement)

References 19 publications

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“…Figure 2, it can be seen that the change of propane to butane 2-methyl during the LPG tank emptying is 43.78% to 57.05% or =65.99 to = 67.29. This means that the largest to smallest is only 2.32% [30].…”

Section: Effect On Combustion Energymentioning

confidence: 96%

Cooling effect potential from liquefied petroleum gas flow in the fuel line of vehicle

Setiyo¹,

Syaka²,

Waluyo³

et al. 2017

Int. J. Automot. Mech. Eng.

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This paper presents a simulation of the potential cooling effect that can be harvested from the Liquefied Petroleum Gas (LPG) phase change process on the fuel line before being supplied to the combustion chamber. The composition of LPG used was obtained from the average test result of the samples taken periodically in the fuel line with a special gas syringe which were then injected into Gas Chromatography-Mass Spectrometry (GC-MS). Effect of fluctuations of LPG composition was also analysed on the energy delivery to the combustion chamber. Furthermore, simulation results showed that the potential cooling that may be harvested from the LPG fuel system on a 2000 cm 3 engine was 1.4 kW in the eco-driving mode to be used as a cabin cooler. For a small passenger car that has a cooling load of 3.5 kW, this means the cooling effect from the fuel system is capable of contributing 40% to the cooling load. In conclusion, this potential is very promising and can be applied to countries that not do have the winter experience.

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Section: Effect On Combustion Energymentioning

confidence: 96%

Cooling effect potential from liquefied petroleum gas flow in the fuel line of vehicle

Setiyo¹,

Syaka²,

Waluyo³

et al. 2017

Int. J. Automot. Mech. Eng.

View full text Add to dashboard Cite

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Characteristics of 1500 Cc LPG Fueled Engine at Various of Mixer Venturi Area Applied on Tesla a-100 LPG Vaporizer

Setiyo

Waluyo

Husni³

et al. 2016

Jurnal Teknologi

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In the first generation of LPG kit, are called Converter and Mixer (CM), the engine power is influenced strongly by the size of mixer venturi, but this case has not been widely discussed. LPG has lower carbon content than gasoline, so it requires less air to burn. Theoretically, the amount of air to burn LPG is 46% lower than gasoline. However, in practice, the venturi area of the mixer is made from 7.5 mm2 to 10 mm2 per output hp engine. To confirm this, the mixers with venturi area of 705, 960, and 1256 mm2 are applied in Toyota 5A-FE LPG-fueled engine with Tesla A-100 LPG vaporizer. The engine performance characteristics were tested using the Hofmann Dynatest Pro chassis dynamometer and the emissions were tested using QRO-401 engine gas analyzer. The result shows that the venturi area of the mixer has a major influence on the engine power, which generates specific power characteristics. However, differences in the mixer size have little effect on emissions. This study concluded that the Toyota 5A-FE LPG-fueled engine is recommended to use a mixer with venturi area of 960 mm2 (35 mm in diameter).

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Technical evaluation and assessment of CNG/LPG bi-fuel and flex-fuel vehicle viability

Cited by 2 publications

References 19 publications

Cooling effect potential from liquefied petroleum gas flow in the fuel line of vehicle

Cooling effect potential from liquefied petroleum gas flow in the fuel line of vehicle

Characteristics of 1500 Cc LPG Fueled Engine at Various of Mixer Venturi Area Applied on Tesla a-100 LPG Vaporizer

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