Correlation of Burning Rates and Energy Transport Mechanisms in Open and Enclosed Liquid Pool Fires

1991 ◽  
Author(s):  
David E. Ramaker ◽  
K. C. Adiga ◽  
H. Zhang ◽  
M. Pivovarov ◽  
S. W. Baek
1999 ◽  
Author(s):  
Anthony Hamins ◽  
Jiann C Yang ◽  
Takashi Kashiwagi

1995 ◽  
Vol 117 (1) ◽  
pp. 37-42 ◽  
Author(s):  
J. R. Vincent ◽  
S. R. Gollahalli

The risk of accidental spills and possible fires is high in the storage and handling of large quantities of flammable liquids. Such liquid pool fires are generally buoyancy-driven and emit a large fraction of their heat release in the form of radiation. Ignition and combustion characteristics of liquid pools depend on the design parameters such as diameter, spacing, and shape of the pools. This laboratory scale study was conducted to determine the effects of these parameters on the characteristics of multiple liquid pool fires. The measurements reported include pool surface regression rate, flame height, temperature, and concentrations of carbon dioxide, soot, and oxygen.


2019 ◽  
Vol 201 ◽  
pp. 93-103 ◽  
Author(s):  
Chen Kuang ◽  
Longhua Hu ◽  
Xiaolei Zhang ◽  
Yujie Lin ◽  
Larry W. Kostiuk

1991 ◽  
Vol 86 (3) ◽  
pp. 223-228 ◽  
Author(s):  
A. Hamins ◽  
M. Klassen ◽  
J. Gore ◽  
T. Kashiwagi

2013 ◽  
Vol 2013 (0) ◽  
pp. 7-8
Author(s):  
Hiroki Abe ◽  
Akihiko Ito ◽  
Hiroyuki Torikai
Keyword(s):  

Author(s):  
Yimin Xuan ◽  
Qiang Li

Nanofluid is a solid-liquid mixture consisting of solid nanoparticles or nanofibers with sizes typically of 1–100 nm suspended in liquid. Thermal conductivity and heat transfer performance of nanofluids is superior to those of the original pure carrier fluids because the suspended nanoparticles remarkably improve energy exchange capability of the suspensions. In the present paper, the investigations efforts cover microscopic and mesoscaled approachs for the heat transfer enhancement mechanism of the nanofluid, flow and heat transfer mechanism and the relevant control methods of the magnetic fluid by suspending magnetic nanoparticles in base fluids, and some applications of nanofluid on a variety of thermal systems in order to understand energy transfer mechanism of nanofluids and guide future applications of nanofluids to thermal engineering.


2006 ◽  
Vol 129 (5) ◽  
pp. 624-633 ◽  
Author(s):  
S. M. Begley ◽  
M. Q. Brewster

The combustion behavior of nanometer-scale energetic materials is much different than micron size or larger materials. Burning rates up to 950 m∕s have been reported for a thermite composition of nanosized aluminum and molybdenum trioxide. The energy transport mechanisms in the reactive wave are still uncertain. The relative contribution of radiation has not yet been quantified. To do so analytically requires dependent scattering theory, which has not yet been fully developed. Radiative properties for nanoaluminum and nanomolybdenum-trioxide were obtained experimentally by comparing light scattering measurements on a one-dimensional slab of powder with multiple-scattering simulations using Monte Carlo and discrete ordinate methods. The equivalent isotropic-scattering extinction coefficient for close-packed molybdenum trioxide (MoO3) nanopowder was found to be 5900±450cm−1; the equivalent isotropic-scattering albedo was 0.97±0.035. Aluminum (Al), which proved to be more difficult to work with, had an albedo of 0.35 and 0.38 from two tests. The radiative conductivity based on the MoO3 results is two orders of magnitude less than the diffusive thermal conductivity, indicating that radiation is not a dominant heat transfer mode for the reactive wave propagation of nanothermites under optically thick conditions.


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