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Evan-Rose-MS-thesis.pdf (2.84 MB)

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Autoignition Dynamics and Combustion of n-Dodecane Droplets under Transcritical Conditions

Rose, Evan Noah
http://orcid.org/0000-0001-5783-504X
http://rave.ohiolink.edu/etdc/view?acc_num=case1554288408975334

Abstract Details

2019, Master of Sciences, Case Western Reserve University, EMC - Mechanical Engineering.
Understanding the spontaneous ignition and burning behavior of liquid fuels is critical to improving the performance of modern combustion devices. This work examines the effects of varying ambient temperature and pressure on the autoignition and burning characteristics of fiber-supported n-dodecane fuel droplets in normal gravity and in microgravity. Ambient temperatures and pressures were 500 to 1000 K and 1 to 25 atm, respectively, encompassing the transcritical region for n-dodecane. The results show the dynamics of ignition with the formation of a cool-flame front and a hot-flame front prior to the final establishment of a diffusion flame surrounding the droplet. These phenomena are observed for both normal gravity and microgravity environments. Measurement of two-stage ignition delay times shows qualitative agreement with previous research.
Vedha Nayagam, Ph.D. (Advisor)
Daniel Dietrich, Ph.D. (Committee Member)
Ya-Ting Liao, Ph.D. (Committee Member)
Fumiaki Takahashi, Ph.D. (Committee Member)
140 p.
Mechanical Engineering
combustion; autoignition; ignition; droplet; NTC; two-stage ignition; dodecane

Recommended Citations

Citations

  • Rose, E. N. (2019). Autoignition Dynamics and Combustion of n-Dodecane Droplets under Transcritical Conditions [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1554288408975334

    APA Style (7th edition)

  • Rose, Evan. Autoignition Dynamics and Combustion of n-Dodecane Droplets under Transcritical Conditions. 2019. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1554288408975334.

    MLA Style (8th edition)

  • Rose, Evan. "Autoignition Dynamics and Combustion of n-Dodecane Droplets under Transcritical Conditions." Master's thesis, Case Western Reserve University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1554288408975334

    Chicago Manual of Style (17th edition)

case1554288408975334
526
© 2019, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.