Search Results - "Dietrich, Daniel L."

Droplet Combustion Experiments Aboard the International Space Station by Dietrich, Daniel L., Nayagam, Vedha, Hicks, Michael C., Ferkul, Paul V., Dryer, Frederick L., Farouk, Tanvir, Shaw, Benjamin D., Suh, Hyun Kyu, Choi, Mun Y., Liu, Yu Cheng, Avedisian, C. Thomas, Williams, Forman A.

“…This paper summarizes the first results from isolated droplet combustion experiments performed on the International Space Station (ISS). The long durations of…”
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Effects of properties of atmosphere diluents on cool-flame combustion of normal-alkane droplets by Nayagam, Vedha, Dietrich, Daniel L., Williams, Forman A.

“…Droplet combustion experiments carried out in the International Space Station using n-alkane fuels have shown that large droplets, when ignited, first burn…”
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Cool-flame extinction during n-alkane droplet combustion in microgravity by Nayagam, Vedha, Dietrich, Daniel L., Hicks, Michael C., Williams, Forman A.

“…Recent droplet-combustion experiments onboard the International Space Station (ISS) have revealed that large n-alkane droplets, following radiative extinction…”
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Can cool flames support quasi-steady alkane droplet burning? by Nayagam, Vedha, Dietrich, Daniel L., Ferkul, Paul V., Hicks, Michael C., Williams, Forman A.

“…Experimental observations of anomalous combustion of n-heptane droplets burning in microgravity are reported. Following ignition, a relatively large n-heptane…”
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The Effects of Oxygen Dilution on Two-Stage Autoignition of Isolated N-Dodecane Droplets in Microgravity by Krause, Timothy S., Nayagam, Vedha, Dietrich, Daniel L., Colket, Meredith B., Williams, Forman A.

“…Two-stage autoignition of n-dodecane droplets with varying ambient oxygen concentrations in oxygen-nitrogen mixtures are investigated experimentally under…”
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Appearance of cool flame in flame spread over fuel droplets in microgravity by Mikami, Masato, Matsumoto, Kodai, Chikami, Yuto, Kikuchi, Masao, Dietrich, Daniel L.

“…This research conducted microgravity experiments to investigate phenomena appearing around a droplet existing outside the flame-spread limit. n-Decane droplets…”
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Radiative extinction of burner-supported spherical diffusion flames: A scaling analysis by Nayagam, Vedha, Dietrich, Daniel L., Williams, Forman A.

“…A scaling analysis of burner-supported spherical-diffusion-flame extinction brought about by radiative heat loss is presented. The results are compared against…”
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Space-based microgravity experiments on flame spread over randomly distributed n-decane-droplet clouds: Anomalous behavior in flame spread by Mikami, Masato, Matsumoto, Kodai, Yoshida, Yasuko, Kikuchi, Masao, Dietrich, Daniel L.

“…The first combustion experiments aboard the Japanese Experiment Module “Kibo” on the International Space Station, titled “Elucidation of Flame Spread and Group…”
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Radiative extinction of large n-alkane droplets in oxygen-inert mixtures in microgravity by Nayagam, Vedha, Dietrich, Daniel L., Hicks, Michael C., Williams, Forman A.

“…Experimental observations are presented concerning radiative extinction of large n-alkane droplets in diluent-substituted environments at moderately varied…”
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Unsteady droplet combustion with fuel thermal expansion by Nayagam, Vedha, Dietrich, Daniel L., Williams, Forman A.

“…Millimeter-size fuel droplets burning in microgravity show substantial thermal expansion at earlier times in their burning history. Here, we develop a simple…”
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Autoignition Dynamics of N-dodecane Droplets under Normal Gravity by Rose, Evan N., Nayagam, Vedha, Dietrich, Daniel L., Hicks, Michael C., Hegde, Uday G., Padilla, Rosa E., Williams, Forman A.

“…Experimental observations of two-stage autoignition dynamics of fiber-supported normal dodecane droplets in air under normal gravity are presented for a range…”
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A Burke-Schumann analysis of diffusion-flame structures supported by a burning droplet by Nayagam, Vedha, Dietrich, Daniel L., Williams, Forman A.

“…A Burke-Schumann description of three different regimes of combustion of a fuel droplet in an oxidising atmosphere, namely the premixed-flame regime, the…”
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Microgravity Fluids and Combustion Research at NASA Glenn Research Center by Sharp, Lauren M, Dietrich, Daniel L, Motil, Brian J

“…AbstractAt the dawn of the Space Age, the design of early rocket and spacecraft systems presented significant challenges because of the low-gravity environment…”
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Inverse influence of initial diameter on droplet burning rate in cold and hot ambiences: a thermal action of flame in balance with heat loss by Xu, Guangwen, Ikegami, Masiki, Honma, Senji, Ikeda, Kouji, Ma, Xiaoxun, Nagaishi, Hiroshi, Dietrich, Daniel L., Struk, Peter M.

“…Isolated droplet burning were conducted in microgravity ambiences of different temperatures to test the initial diameter influence on droplet burning rate that…”
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Interactive influences of convective flow and initial droplet diameter on isolated droplet burning rate by Xu, Guangwen, Ikegami, Masiki, Honma, Senji, Ikeda, Kouji, Dietrich, Daniel L., Struk, Peter M.

“…In quiescent ambiences the burning rate of an isolated liquid fuel droplet varies with the droplet’s initial diameter d 0 due to the close surrounding of the…”
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Effects of the Initial Heat-Up Period on a Two-Droplet Array Burning at High Pressure in Microgravity by OKAI, Keiichi, ONO, Yutaka, MORIUE, Osamu, KATO, Hideaki, TSUE, Mitsuhiro, KONO, Michikata, SATO, Jun'ichi, DIETRICH, Daniel L., WILLIAMS, Forman A.

“…The interactive combustion of two closely-spaced droplets at elevated pressures was investigated experimentally in a 2.2 second drop tower. Heptane, hexadecane…”
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Sooting characteristics of isolated droplet burning in heated ambients under microgravity by Xu, Guangwen, Ikegami, Masiki, Honma, Senji, Ikeda, Khoji, Dietrich, Daniel L., Struk, Peter M.

“…This paper presents an investigation into the sooting characteristics of isolated droplets (for fuel n-decane) burning in heated ambients in microgravity. A…”
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Spherical gas-fueled cool diffusion flames by Kim, Minhyeng, Waddell, Kendyl A., Sunderland, Peter B., Nayagam, Vedha, Stocker, Dennis P., Dietrich, Daniel L., Ju, Yiguang, Williams, Forman A., Irace, Phillip, Axelbaum, Richard L.

“…An improved understanding of cool diffusion flames could lead to improved engines. These flames are investigated here using a spherical porous burner with…”
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Asymptotic analysis of cool-flame propagation in mixtures of an n-alkane, oxygen, and nitrogen by Nayagam, Vedha, Williams, Forman A., Dietrich, Daniel L.

“…A simplified chemical-kinetic cool-flame mechanism for n-alkanes has recently been developed and applied to the description of quasi-steady droplet combustion…”
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Flame extinction and low-temperature combustion of isolated fuel droplets of n-alkanes by Cuoci, Alberto, Saufi, Abd E., Frassoldati, Alessio, Dietrich, Daniel L., Williams, Forman A., Faravelli, Tiziano

“…A recent set of experiments carried out onboard the International Space Station (ISS) have shown that large n-alkane droplets, after the radiative extinction…”
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