Search Results - "T'ien, J. S."

Buoyant low-stretch diffusion flames beneath cylindrical PMMA samples by Olson, S.L., T’ien, J.S.

“…To study flame structure and extinction characteristics in low-stretch environments, a normal gravity low-stretch diffusion flame was established beneath a…”
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Transient model and experimental validation of low-stretch solid-fuel flame extinction and stabilization in response to a step change in gravity by Armstrong, J.B., Olson, S.L., T'ien, J.S.

“…A transient stagnation point numerical model was developed that includes gas-phase and solid-phase radiation and solid-phase coupling to describe the dynamic…”
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Candle Flames in Non-Buoyant Atmospheres by DIETRICH, D.L., ROSS, H.D., SHU, Y., CHANG, P., T'IEN, J.S.

“…This paper addresses the behavior of a candle flame in a long-duration, quiescent microgravity environment both on the space Shuttle and the Mir Orbiting…”
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Structure and dynamic response of radiative diffusion flames by Nanduri, J. R., Sung, C. J., T'Ien, J. S.

“…Nitrogen-diluted hydrogen burning in air is modeled numerically using a constant density and one-step reaction model in a plane two-dimensional counterflow…”
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Modelling of candle burning with a self-trimmed wick by Raju, M. P., T'ien, J. S.

“…As an example of a coupled gas-phase diffusion flame with porous media flow, a candle burning model with a porous wick is offered in this paper. The porous…”
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Can cool flames support candle flame burning in microgravity? by Dietrich, D.L., T’ien, J.S.

“…This communication asks the question whether the microgravity candle flames reported in previous work may have burned briefly with a cool flame after hot-flame…”
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Combustion and extinction of PMMA cylinders during depressurization in low-gravity by Goldmeer, Jeffrey S., T’ien, James S., Urban, David L.

“…Combustion and extinction behavior of a diffusion flame over polymethyl methacrylate (PMMA) cylinders during depressurization in low gravity are examined…”
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A three-dimensional model of steady flame spread over a thin solid in low-speed concurrent flows by Shih, Hsin-Yi, T'ien, James S

“…Athree-dimensional model of a steady concurrent flame spread over a thin solid in a low-speed flowtunnel in microgravity has been formulated and numerically…”
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On solid trioxane combustion in stagnation point flows by Rhatigan, J.L., Sung, C.J., Tien, J.S.

“…Response, flame structure, and extinction limits of solid trioxane (C 3H 6O 3) combustion in stagnationpointflows are computationally studied with detailed…”
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Near-surface vapour bubble layers in buoyant low stretch burning of polymethylmethacrylate by Olson, S. L., T'ien, J. S.

“…Large‐scale buoyant low stretch stagnation point diffusion flames over a solid fuel (polymethylmethacrylate) were studied for a range of aerodynamic stretch…”
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Transient numerical modeling of catalytic channels using a quasi-steady gas phase by Struk, P.M., T’ien, J.S., Miller, F.J., Dietrich, D.L.

“…This paper presents a transient model of internal catalytic combustion suitable for isolated channels and monolith reactors. Due to time-scales in the problem,…”
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Gas-phase radiative effects on the burning and extinction of a solid fuel by Rhatigan, Jennifer L., Bedir, Hasan, T'ien, James S.

“…Gas-phase radiative effects on the burning and extinction of a solid fuel in a stagnation-point flow geometry are investigated using a statistical narrow-band…”
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On flammability limits of dry CO/O2 opposed-jet diffusion flames by Frate, F.C., Bedir, H., Sung, C.J., Tien, J.S.

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Near-Surface Vapour Bubble Layers in Buoyant Low Stretch Burning of Polymethylmethacrylate by Olson, S L, T'ien, J S

“…Large-scale buoyant low stretch stagnation point diffusion flames over a solid fuel (polymethylmethacrylate) were studied for a range of aerodynamic stretch…”
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Near-surface vapour bubble layers in bouyant low stretch burning of polymethylmethacrylate by Olson, S L, T'ien, J S

“…Large-scale buoyant low stretch stagnation point diffusion flames over a solid fuel (polymethylmethacrylate) were studied for a range of aerodynamic stretch…”
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A comparison of extinction limits and spreading rates in opposed and concurrent spreading flames over thin solids by Kumar, Amit, Shih, Hsin Yi, T’ien, James S.

“…Flame-spread phenomena over thin solids are investigated for purely forced-opposing and concurrent flows. A two-dimensional, opposed-flow, flame-spread model,…”
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Effects of fuel Lewis number on flame spread over solids by Tolejko, Kevin, Feier, Ioan I., T’ien, James S.

“…Using a detailed two-dimensional numerical model, a systematic investigation has been made to study the effect of fuel Lewis number (Le F = α/D F) and mass…”
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MODELING GRAVITY EFFECT ON DIFFUSION FLAMES STABILIZED AROUND A CYLINDRICAL WICK SATURATED WITH LIQUID FUEL by ALSAIRAFI, AMMAR, LEE, SHIH-TUEN, T'IEN, JAMES S.

“…The familiar flames from candles and oil lamps are representative examples of wick-stabilized diffusion flames. The shape and burning characteristics of these…”
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Experimental low-stretch gaseous diffusion flames in buoyancy-induced flowfields by Han, Bai, Ibarreta, Alfonso F., Sung, Chih-Jen, T’ien, James S.

“…The present study experimentally investigates the structure and instabilities associated with extremely low-stretch (∼1 s −1) gaseous diffusion flames…”
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One-sided flame spread phenomena of a thermally thin composite cotton/fiberglass fabric by Kleinhenz, Julie, Ferkul, Paul, Pettegrew, Richard, Sacksteder, Kurt R., T'ien, James S.

“…As an experimental necessity, past flame spread studies have relied on fast burning cellulosic papers. For the longer duration tests planned for the…”
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