...F. J. Diez; L. P. Bernal; G. M. Faeth The self-preserving properties of round turbulent thermals, puffs, starting plumes and starting jets, in unstratified and uniform crossflow, were investigated experimentally. The experiments involved dye-containing fresh water (for nonbuoyant flows) and salt...

...F. J. Diez; R. Sangras; G. M. Faeth; O. C. Kwon The self-preserving properties of round buoyant turbulent starting plumes and starting jets in unstratified environments. The experiments involved dye-containing salt water sources injected vertically downward into still fresh water within a windowed...

...J. Li; W. K. Chow Upward motion of a balcony spill plume in an atrium with a thermal stratified layer will be simulated. This is aimed at answering the question on whether a smoke plume can move up an atrium to reach the ceiling. The gradient of air density in the atrium is taken as a constant...

...R. Sangras; Z. Dai; G. M. Faeth, Mem. ASME Measurements of the velocity properties of plane buoyant turbulent adiabatic wall plumes (adiabatic wall plumes) are described, emphasizing conditions far from the source where self-preserving behavior is approximated. The experiments involved helium/air...

...R. Sangras; Z. Dai; G. M. Faeth Measurements of the mixture fraction properties of plane buoyant turbulent adiabatic wall plumes (adiabatic wall plumes) are described, emphasizing conditions far from the source where self-preserving behavior is approximated. The experiments involved helium/air...

...C. E. Fisher; K. S. Ball Measurements of the unsteady temperature fluctuations in the plume region between differentially heated horizontal concentric cylinders are reported. In particular, power spectral density estimates of the temperature fluctuations within the plume show the development...

...R. Sangras; Z. Dai; G. M. Faeth Measurements of the structure of plane buoyant turbulent plumes are described, emphasizing conditions in the fully developed (self-preserving) portion of the flow. Plumes were simulated using helium/air sources in a still and unstratified air environment. Mean...

... substantially greater than those of the air jets, and the degree of pressure recovery over the cell length was substantially less. 23 June 1997 20 May 1998 05 12 2007 Condensation Jets Modeling and Scaling Multiphase Flows Plumes Avery, J. F., and Faeth, G. M., 1975...

...C.-H. Hsu; C.-F. Hsieh; J.-T. Teng Experiments are performed by measuring a developing thermal plume in an enclosure, that is generated by a constant heat flux annular cylinder heater, with six T-type thermocouples. An empirical correlation obtained among local Nusselt number, Fourier number...

...Z. Dai; L. K. Tseng; G. M. Faeth An experimental study of the structure of round buoyant turbulent plumes was carried out, limited to conditions in the self-preserving portion of the flow. Plume conditions were simulated using dense gas sources (carbon dioxide and sulfur hexafluoride) in a still...

... and breakdown of a conduction layer adjacent to the heated surface. Convection is characterized by the release of warm meandering plumes and thermals from a boundary layer. The planform of convection at the heated surface begins with a pattern of small spots suggestive of Be´nard cells. Some of these cells...

...Z. Dai; L. K. Tseng; G. M. Faeth An experimental study of the structure of round buoyant turbulent plumes was carried out, limited to conditions within the fully developed (self-preserving) portion of the flow. Plume conditions were simulated using dense gas sources (carbon dioxide and sulfur...

... fluctuations and significantly lower Reynolds stresses than isothermal cases of similar Reynolds number. 13 August 1990 01 July 1991 23 05 2008 Jets Mixed Convection Plumes J. Peterson1 Y. Bayazitoglu Mechanical Engineering & Materials Science Department, Rice University, Houston...

...A. Shabbir; D. B. Taulbee Experimental data for the buoyant axisymmetric plume are used to validate certain closure hypotheses employed in turbulence model equations for calculating buoyant flows. Closure formulations for the turbulent transport of momentum, thermal energy, kinetic energy...

.... Introduction A problem of interest to industry and regulatory authorities entails the prediction of the dispersion of a potentially haz- ardous continuous plume released at or near the ground. These plumes are observed in the vicinity of low-elevation industrial stacks, cooling towers, ponds, canals...

... transfer from finite size surfaces when the flow is no longer of boundary-layer type in the plume area. However, since most of the heat transfer takes place in the region where a nearly boundary-layer flow exists, the Rayleigh number dependency, as predicted by their treatment, is very close...

...Hong-Zeng Yu A theory for strongly buoyant transient plumes was used to determine whether the convective heat flow measured by a large-scale Fire Products Collector (FPC) could approximate the instantaneous convective heat release rate generated by fast-growing fires. The theory was confirmed...

...C. Y. Wang By comparing with the exact similarity solution for the mixed convection plume of the point source, the limitation of the Oseen boundary layer solution is established. Superposition principles are given and applied to the cases of the vertical and the horizontal finite heated wire. Three...

... and for jet discharge temperatures approximately 28 to 42° C higher than the free-stream temperature. Measurements were carried out in the jet and its wake both in and outside the jet plane of symmetry. 07 June 1988 20 10 2009 Jets Plumes Turbulence S. A. Sherif Department of Mechanical...

...J. Andreopoulos Measurements of velocity and temperature field and flow visualization results are reported for an ideal case of a cooling-tower plume in the presence of a uniform crossflow for various velocity ratios, densimetric Froude numbers, and Reynolds numbers. Coherent structures in the form...