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Analytical expressions for slow pseudo-second order reactions in plumes : comparison with experimental resultsHeffner, David Alan 05 1900 (has links)
No description available.
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Reactive plume model : the effects of stack exit conditions on the formation of acidic products in plumes from coal-fired power plantsDröscher, Frank Martin 05 1900 (has links)
No description available.
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Observed entrainment in a power plant plumeLague, John Sylvester January 1973 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1973. / Microfiche copy available in Archives and Science / Includes bibliographical references. / by John S. Lague. / M.S.
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A study of moderately underexpanded single and twinjet rocket exhaust plumes in quiescent and in a mach 7 hypersonic freestreamShek, H. H-W. January 1997 (has links)
Rocket plume flowfields have an importance due to their influence on the signature of the rocket and also on the distribution of the plume gases around the vehicle. Little information on the co-flowing situation exists other than a previous study at Oxford. This thesis thus represents a significant database for co-flowing rocket plumes of this form. The work presented deals with two new aspects of co- flowing rocket plumes in that detailed flowfield measurements have been made and plumes from twin nozzle have been investigated for the first time in this thesis. This study on twinjet rocket plumes was carried out using the University of Oxford Gun Tunnel. Twinjet rockets with nozzle exit Mach numbers of 3 and 5 were tested in quiescent and in co-flow at Mach 7 using nitrogen and hydrogen injections. A major feature of the twinjet case was the so-called impingement shock between the flows from the two nozzles. It was discovered that this shock was insensitive to the freestream and scaling parameters are suggested for its geometry. Comparisons with single equivalent thrust nozzles are made at downstream locations and similar Pitot pressure profiles were observed for nitrogen injection in a nitrogen freestream after approximately 3 nozzle diameters downstream. Shear layers were studied and fluctuations in this region were measured by fast-response Pitot pressure and heat transfer probes sampled at 1.1 MHz. The extent of the shear layer was deduced using a new Oxford Total Temperature Probe. With the freestream stagnation temperature at approximately 650 K and injected gas at 350 K, a linear variation for the deduced total temperature across the shear layer was obtained. This was consistent with the Pitot pressure variations across this region. Convective heat transfer coefficient fluctuations and flow total temperature fluctuations across rocket flowiields were obtained using three thin-film heat transfer probes and found to be closely correlated. Experimental results for the twinjet and the single jet were compared with CFD simulations and good overall agreements were achieved. Instrumentation for the hypersonic experiments was investigated and a fast-response (~ 20 kHz) Pitot probe suited for flows heavily contaminated with particulate was developed and tested.
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Emissions from savanna fires in southern Africa /Sinha, Parikhit. January 2004 (has links)
Thesis (Ph. D.)--University of Washington, 2004. / Vita. Includes bibliographical references (leaves 185-195).
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Aerosol scattering phase function retrieval from polar orbiting satellitesWunder, Daniel P. 03 1900 (has links)
The retrieval of an aerosol scattering phase function using a multi-satellite technique is proposed. A total of 33 phase functions were derived from 18 smoke cases and 15 dust cases. Each case was interrogated using four to nine satellite passes over the aerosol in a two to four hour time frame. The radiance values for the Red and Near-Infrared (NIR) channels were combined with backscattering angles to determine the shape of the scattering phase function. The radiance values were input into the Naval Postgraduate School (NPS) aerosol model to determine optical depths and sample phase functions. A comparison was made between the actual phase functions retrieved and the NPS model phase functions. It was found that the phase functions for the smoke cases more closely matched the model phase functions than in the dust cases. Some conclusions could be drawn about the actual aerosol size and density distribution based on how well it matched the model phase function. Further analysis is necessary to define the exact size and number of the aerosol particles. Fully understanding the aerosol composition is crucial in determining its effects on military sensors and impacts to operations.
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Conversion of SO₂ and NO in the Kuwait oil-fire plumeSmyth, Scott Bevel 05 1900 (has links)
No description available.
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The determination of horizontal urban wind fields by aerially photographed condensation plumes /Bourque, Denis Antoine January 1974 (has links)
No description available.
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Radiative properties, dynamics, and chemical evolution of the smoke from the 1991 Kuwait oil fires /Herring, John Allan. January 1994 (has links)
Thesis (Ph. D.)--University of Washington, 1994. / Vita. Includes bibliographical references (leaves [187]-199).
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CFD study of balcony spill plumes: focused on the balcony area /Ko, Yoon J. January 1900 (has links)
Thesis (M.App.Sc.) - Carleton University, 2006. / Includes bibliographical references (p. 144-146). Also available in electronic format on the Internet.
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