Detonation Characteristics of Some Aliphatic Olefin Hydrocarbons

Lovell, Wheeler G.; Campbell, John M.; Boyd, T. A.

doi:10.1021/ie50257a021

Cited by 13 publications

(6 citation statements)

References 6 publications

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“…This is a fact that is probably of considerable significance as far as theories of the mechanism of combustion and knock are concerned. This same behavior is also exhibited by the straight-chain olefin hydrocarbons, whose properties in this regard are represented graphically in figure 2 (13). The effect of an increase in the straight paraffin chain is similar, both qualitatively and quantitatively, to that observed in the case of the paraffin hydrocarbons.…”

supporting

confidence: 70%

Molecular Structure of Hydrocarbons and Engine Knock.

Lovell¹,

Campbell²

1938

Chem. Rev.

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supporting

confidence: 70%

Molecular Structure of Hydrocarbons and Engine Knock.

Lovell¹,

Campbell²

1938

Chem. Rev.

Self Cite

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“…The RON and MON follow a similar trend: increases at the beginning and then remains relatively constant with increasing reaction temperature. Lovell et al identified that iso‐ paraffins and aromatics make a significant contribution to RON and MON due to the complexity of branches. However, in this case, the changes in aromatics and iso‐ paraffins contents in the products remain quite minor when the reaction temperature increased from 320 to 330 °C, indicating that these changes are not the main contributors to the variation of RON and MON, as is shown in Figure .…”

Section: Results and Disscussionmentioning

confidence: 99%

“…This observation is consistent with the decrease in aromatics content as the F‐T wax/HVGO blending ratio increased from 25/75 to 75/25 (g/g), as is shown in Figure . Aromatics are known to have strong effects on RON and MON . However, the effect of alkylbenzenes, such as propyl‐ or isopropyl‐benzenes is stronger on MON than on RON .…”

Section: Results and Disscussionmentioning

confidence: 99%

Hydrocracking of Fischer‐Tropsch wax and its mixtures with heavy vacuum gas oil

2018

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In this study, Fischer-Tropsch (F-T) wax and bitumen-derived hydrotreated heavy vacuum gas oil (HVGO) blends were co-hydrocracked over a commercial catalyst in an autoclave reactor at a temperature of 360 8C and an initial hydrogen pressure of 4.2 MPa. 100 % F-T wax and 100 % HVGO were hydrocracked under similar operating conditions as the reference feedstocks. The results revealed that the conversion of 360 8Cþ materials decreased from 0.79 g/g (79 mass%) to 0.71 g/g (71 mass%) when the F-T wax/HVGO blending ratio increased from 0/100 to 25/75 (g/g), then increased dramatically from 0.71 g/g (71 mass%) to almost 1 g/g (100 mass%) when the F-T wax/HVGO blending ratio continued to increase to 100/0 (g/g). As the F-T wax/HVGO blending ratio in the feed increased, the contents of cycloparaffins and aromatics decreased, whereas those of iso-paraffins and n-paraffins in the products increased. The research octane number and the motor octane number of the naphtha fraction also increased from 76 to 95 and from 76 to 82 when the F-T wax/HVGO blending ratio increased from 0/100 to 100/0 (g/g), respectively. The product obtained from pure F-T wax, which contained 0.8 g/g (80 mass%) of C 5 -C 11 iso-paraffins, was tested for diluent compatibility with Athabasca bitumen. The P-value at 0.3 L/L (30 vol%) dilution was 2.11, close to that of 2.17 for natural gas condensate. Meanwhile, both the API gravity and viscosity met pipeline specifications, which indicates that the product hydrocracked from F-T wax is a suitable diluent for bitumen.

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“…Numerous efforts have been performed to advance fundamental understanding of the relationship between octane number and fuel chemistry. The earliest attempt in understanding the effect of molecular structure on fuel's antiknock quality was done by Lovell and co-workers [11,12,13,14,15], wherein they studied the knock characteristics of 27 paraffins [11], 25 aliphatic olefins [11], 69 naphthenes [13] and 22 aromatics [14] using aniline as a standard for rating fuels. They were able to establish a consistent connection with molecular structure and knock propensity.…”

Section: Introductionmentioning

confidence: 99%

Estimating fuel octane numbers from homogeneous gas-phase ignition delay times

Naser

Chung

2018

Combustion and Flame

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Combustion and Flame Rights NOTICE: this is the author's version of a work that was accepted for publication in Combustion and Flame. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Combustion and Flame,

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Detonation Characteristics of Some Aliphatic Olefin Hydrocarbons

Cited by 13 publications

References 6 publications

Molecular Structure of Hydrocarbons and Engine Knock.

Molecular Structure of Hydrocarbons and Engine Knock.

Hydrocracking of Fischer‐Tropsch wax and its mixtures with heavy vacuum gas oil

Estimating fuel octane numbers from homogeneous gas-phase ignition delay times

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