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Cited By10
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Published on Jan 1, 2017
Yuhao Xu7
Estimated H-index: 7
(Cornell University),
Michael C. Hicks8
Estimated H-index: 8
(Glenn Research Center),
C. Thomas Avedisian14
Estimated H-index: 14
(Cornell University)
Abstract The burning characteristics of iso -octane droplets in the standard atmosphere are reported over a large range of initial droplet diameters (0.5 mm D o 5 mm) for near one-dimensional droplet flames as promoted by low gravity. A ground-based drop tower and a space-based platform (International Space Station) were used to provide an environment to examine the influence of D o that encompasses regimes where radiation does not have an effect on burning to where it does. For D o K ) was near...
Published on Sep 1, 2016in Combustion and Flame4.12
Yu Cheng Liu10
Estimated H-index: 10
(UM: University of Michigan),
Yuhao Xu7
Estimated H-index: 7
(Cornell University)
+ 1 AuthorsC. Thomas Avedisian14
Estimated H-index: 14
(Cornell University)
Abstract This paper reports the results of a comprehensive experimental study on the effect of initial droplet diameter ( D o ) over a very wide range (0.5 mm D o n -heptane, n -octane and n -decane – that are representative of components found in petroleum-based transportation fuels and their surrogates. Spherical symmetry in the burning process was promoted by carrying out the experiments in a reduced convection (stagnant ambience) and buoyancy (low gravity) environment using the facilities of...
Published on Jan 1, 2015
Yu Cheng Liu10
Estimated H-index: 10
(Cornell University),
Yuhao Xu7
Estimated H-index: 7
(Cornell University)
+ 1 AuthorsMichael C. Hicks8
Estimated H-index: 8
(Glenn Research Center)
Abstract This study reports experimental evidence of gas phase micro-convection induced by support fibers used in droplet combustion experimentation. Soot aggregates formed during combustion of n-octane and n-decane droplets (initial diameters ranging from 0.5 mm to 5 mm) provide natural seeds to reveal the thermal and flow asymmetries involved. The experiments are carried out in an environment that reduces the influence of forced and buoyant convection for both free-floating (unsupported) and f...
Published on Oct 1, 2014in Microgravity Science and Technology1.97
Daniel L. Dietrich13
Estimated H-index: 13
(Glenn Research Center),
Vedha Nayagam4
Estimated H-index: 4
(Case Western Reserve University)
+ 9 AuthorsYu Cheng Liu10
Estimated H-index: 10
(Cornell University)
This paper summarizes the first results from isolated droplet combustion experiments performed on the International Space Station (ISS). The long durations of microgravity provided in the ISS enable the measurement of droplet and flame histories over an unprecedented range of conditions. The first experiments were with heptane and methanol as fuels, initial droplet droplet diameters between 1.5 and 5.0 m m, ambient oxygen mole fractions between 0.1 and 0.4, ambient pressures between 0.7 and 3.0 ...
Published on Jan 13, 2014
Yu Cheng Liu10
Estimated H-index: 10
,
Jeff K. Rah1
Estimated H-index: 1
+ 2 AuthorsC. Thomas Avedisian14
Estimated H-index: 14
A comprehensive investigation is reported on varying the initial droplet diameter (Do) over a wide range on the burning characteristics of three normal alkane fuels that are representative of components found in practical fuel systems. The droplet burning characteristics of n-heptane, n-octane and n-decane, were studied experimentally in a low gravity ambience to minimize the influence of convection and promote spherical droplet flames as well as formation of a shell-like structure of soot aggre...
Published on Oct 15, 2001
Angel M. Otero1
Estimated H-index: 1
In response to the budget environment and to expand onthe International Space Station Fluids and CombustionFacility (FCF) Combustion Integrated Rack (CIR),common hardware approach, the NASA CombustionScience Program shifted focus in 1999 from singleinvestigator Pl-specific hardware to multi-user "Mini-facilities". These mini-facilities would take the CIRcommon hardware philosophy to the next level. Theapproach that was developed re-arranged all theinvestigations in the program into sub-fields of...
Published on Oct 15, 2001
Terence F. O'Malley and Karen J. WeilandGlenn Research Center, Cleveland, OhioPrepared for theInternational Space Station Utilization--2001sponsored by the American Institute of Aeronautics and AstronauticsCape Canaveral, Florida, October 15-18, 2001National Aeronautics andSpace AdministrationGlenn Research Center
Published on Oct 15, 2001
J. Jones1
Estimated H-index: 1
,
A. Over1
Estimated H-index: 1
,
G. Funk1
Estimated H-index: 1
Published on Oct 15, 2001
David T. Frate1
Estimated H-index: 1
,
Todd A. Tofil1
Estimated H-index: 1
AIAA 2001-5079FEANICS - A MULTI-USER FACILITY FOR CONDUCTING SOLID FUEL COMBUSTIONEXPERIMENTS ON ISSDavid T. FrateNASA Glenn Research CenterCleveland, OhioTodd A. TofilNASA Glenn Research CenterCleveland, OhioAbstractThe Destiny Module on the International Space Station(ISS) will soon be home for the Fluids and CombustionFacility's (FCF) Combustion Integrated Rack (CIR),which is being developed at the NASA Glenn ResearchCenter in Cleveland, Ohio. The CIR will be theplatform for future microgravi...