Experimental study of the spray ignition characteristics of hydro-processed renewable jet and petroleum jet fuels in a constant volume combustion chamber

Alhikami, Akhmad Faruq; Wang, Wei Cheng

doi:10.1016/j.fuel.2020.119286

Cited by 25 publications

(12 citation statements)

References 32 publications

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“…However, if it was to be blended conventional jet fuels, the minimum requirement of aromatics could be met and at the same time it could help to lower the high aromatics content of conventional jet fuels. This would later result in cleaner combustion 33,54 …”

Section: Resultsmentioning

confidence: 99%

“…All jet fuels derived cetane number was determined via constant volume combustion chamber (CVCC) equipped with 500 mL combustion chamber. The fuels cetane number was derived from the ignition delay and combustion delay measured at 873 K and 20 bar 33 . All tests were in accordance with ASTM D7668‐14a 34…”

Section: Methodsmentioning

confidence: 99%

“…This would later result in cleaner combustion. 33,54 Fuel flash point is related to its safety, when the flash point is high, the fuel vapor will be hard to be ignited. The flash point of this HRJ was 56 C, which showed compliance to the ASTM D7566 standard of above 38 C. 55 On the other hand, derived cetane number (DCN) was related to fuel reactivity and the DCN value of HRJ was 55.9, which was higher than that of Jet-A1 (45.4) and JP-5 (37.1).…”

Section: Hrj Analysismentioning

confidence: 99%

“…The fuels cetane number was derived from the ignition delay and combustion delay measured at 873 K and 20 bar. 33 All tests were in accordance with ASTM D7668-14a. 34…”

Section: Derived Cetane Number Testmentioning

confidence: 99%

“…The flash point of this HRJ was 56 C, which showed compliance to the ASTM D7566 standard of above 38 C. 55 On the other hand, derived cetane number (DCN) was related to fuel reactivity and the DCN value of HRJ was 55.9, which was higher than that of Jet-A1 (45.4) and JP-5 (37.1). 33…”

Section: Hrj Analysismentioning

confidence: 99%

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Production of hydro‐processed renewable jet fuel over SAPO ‐11‐based catalyst

Halim

Lee

Wang

et al. 2021

Intl J of Energy Research

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The role of single-metal-loaded on SAPO-11-based hydro-processing catalyst to produce renewable jet fuel was investigated in this work. First, three metals, nickel, cobalt, and molybdenum, were selected to be loaded on SAPO-11 separately and their activities were tested over the model feedstock, n-hexadecane. Among the three catalysts, nickel SAPO-11 shows the highest conversion of 70%. Second, the performance of Ni/SAPO-11, synthesized with (Ni/SAPO-11(CA)), and without (Ni/SAPO-11) citric acid was investigated with the hydro-processed alkanes derived from palm oil for the production of hydro-processed renewable jet fuel (HRJ). Catalyst metal particle size, structure, textural properties, acidity, and reduction degree were detected through transmission electron microscope (TEM), X-ray diffraction (XRD), N 2 adsorption/desorption, pyridine-adsorbed infrared spectroscopy (Py-IR), and temperature programmed reduction (TPR). The product compositions over the Ni/SAPO-11(CA) catalyst show higher selectivity toward the carbon chain length of jet fuel (C 8 -C 14 ) for 48% compared to the Ni/SAPO-11. Through the Taguchi method, the optimal operating conditions were found to be: temperature of 380 C, pressure of 52 bar, liquid hourly space velocity of 0.5 h À1 , and H 2 -to-feedstock ratio of 1250, which yielded in 73% conversion to HRJ with 6.1 isomer-to-normal (I-to-N) alkane ratio. The derived cetane number (DCN) and the flash point of HRJ were also obtained to be 56 and 56 C to confirm the compatibility of HRJ with conventional jet fuel.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Hrj Analysismentioning

confidence: 99%

“…The fuels cetane number was derived from the ignition delay and combustion delay measured at 873 K and 20 bar. 33 All tests were in accordance with ASTM D7668-14a. 34…”

Section: Derived Cetane Number Testmentioning

confidence: 99%

Section: Hrj Analysismentioning

confidence: 99%

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Production of hydro‐processed renewable jet fuel over SAPO ‐11‐based catalyst

Halim

Lee

Wang

et al. 2021

Intl J of Energy Research

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Experimental studies of soot formation for petro‐ and renewable diesels

Alhikami

Wang

Nugroho

et al. 2022

Intl J of Energy Research

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Summary The soot formation characteristics of hydro‐processed renewable diesel (HRD), biodiesel, and petroleum diesel were studied in a non‐premixed counter‐flow laminar flame configuration. This investigation is discussed herein in terms of soot morphology, soot volume fraction (SVF), smoke point (SP), and threshold sooting index (TSI) measurements. It was found that both alternative diesel fuels (ie, HRD, and biodiesel) were similar in terms of the soot particle diameter, whereas petroleum diesel was found to exhibit the greatest soot particle formation. Additionally, the soot particle diameter and SVF were both sensitive to the variations of the reactant concentration by as much as 28%, and 86%, respectively. The sooting tendencies of the tested fuels were found to be proportional to their respective aromatic concentrations. In addition, the fuel containing higher hydrogen‐to‐carbon ratio (ie, HRD) had a lower SVF. The TSI indices reported that both HRD and biodiesel had a similar tendency to form soot, and the highest TSI index was petro‐diesel. The SVF has good correlations with the SP results.

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The effect of ozone addition on the combustion characteristics of hydrogen-jet fuel

Yelugoti

Wang

2022

Combustion and Flame

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Experimental study of the spray ignition characteristics of hydro-processed renewable jet and petroleum jet fuels in a constant volume combustion chamber

Cited by 25 publications

References 32 publications

Production of hydro‐processed renewable jet fuel over SAPO ‐11‐based catalyst

Production of hydro‐processed renewable jet fuel over SAPO ‐11‐based catalyst

Experimental studies of soot formation for petro‐ and renewable diesels

The effect of ozone addition on the combustion characteristics of hydrogen-jet fuel

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