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Global Combustion Responses of Practical Hydrocarbon Fuels: n-Heptane, iso-Octane, n-Decane, n-Dodecane and Ethylene

Kumar, Kamal
http://rave.ohiolink.edu/etdc/view?acc_num=case1169746809

Abstract Details

2007, Doctor of Philosophy, Case Western Reserve University, Mechanical Engineering.
The dissertation topic deals with experimental investigations into three distinct global combustion responses for premixed hydrocarbon/oxidizer mixtures, namely laminar flame speed, extinction stretch rate and ignition delay. The emphasis was on the alkane components of practical liquid fuels namely n-heptane, iso-octane, n-decane and n-dodecane. Additionally, ethylene, being one of the key intermediaries in the oxidation of higher hydrocarbons, was also studied. The laminar flame speed and extinction stretch rate are representative of high temperature oxidation, while the ignition delay represents the low-to-intermediate temperature oxidation chemistry. A study to observe the chemical kinetic interactions in binary fuel blends of n-decane/ethylene/air and n-decane/methane/air mixtures was also conducted. Additionally, a comparison of the experimental data with results obtained using numerical simulations was also done. For the purpose of numerical modeling, chemical kinetic models available in literature were used. The results obtained in this work augment the relatively sparse experimental data available for validation of chemical kinetic models intended to model liquid hydrocarbon combustion, especially for the high boiling point fuels.The utility of the experimental results stems from the fact that all of the responses investigated are of relevance to practical devices. The enhancement of mass burning rate under ambient pressures due to mixture preheat has been obtained, which can be associated to combustor power density. The high pressure and low temperature autoignition results are of relevance to emerging internal combustion engine concepts, some of which attempt to achieve a controlled autoignition. The kinetic features observed in the autoignition characteristics of binary blends can also be put to good use.
Chih-Jen Sung (Advisor)
195 p.
Engineering, Mechanical
COMBUSTION; HYDROCARBON; n-HEPTANE; iso-OCTANE; n-DECANE; n-DODECANE; ETHYLENE

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Citations

  • Kumar, K. (2007). Global Combustion Responses of Practical Hydrocarbon Fuels: n-Heptane, iso-Octane, n-Decane, n-Dodecane and Ethylene [Doctoral dissertation, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1169746809

    APA Style (7th edition)

  • Kumar, Kamal. Global Combustion Responses of Practical Hydrocarbon Fuels: n-Heptane, iso-Octane, n-Decane, n-Dodecane and Ethylene. 2007. Case Western Reserve University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1169746809.

    MLA Style (8th edition)

  • Kumar, Kamal. "Global Combustion Responses of Practical Hydrocarbon Fuels: n-Heptane, iso-Octane, n-Decane, n-Dodecane and Ethylene." Doctoral dissertation, Case Western Reserve University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1169746809

    Chicago Manual of Style (17th edition)

case1169746809
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© 2007, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.