Two-dimensional Buoyant Jets in Crossflow PDF Download
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Author: B. R. Ramaprian
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 284
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Book Description
Author: B. R. Ramaprian
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 284
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Book Description
Author: ROGER BRUCE WALLACE
Publisher:
ISBN:
Category :
Languages : en
Pages : 314
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Book Description
A two-dimensional buoyant jet, discharged vertically into an ambient fluid, is studied. Two ambient influences are considered: a linear stratification; and a cross-flow velocity.
Author: Hiroyuki Haniu
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 232
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Book Description
Author: Wolfgang Rodi
Publisher: Elsevier
ISBN: 1483189872
Category : Technology & Engineering
Languages : en
Pages : 193
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Book Description
The Science & Applications of Heat and Mass Transfer: Reports, Reviews, & Computer Programs, Volume 6: Turbulent Buoyant Jets and Plumes focuses on the formation, properties, characteristics, and reactions of turbulent jets and plumes. The selection first offers information on the mechanics of turbulent buoyant jets and plumes and turbulent buoyant jets in shallow fluid layers. Discussions focus on submerged buoyant jets into shallow fluid, horizontal surface or interface jets into shallow layers, fundamental considerations, and turbulent buoyant jets (forced plumes). The manuscript then examines a turbulence model for buoyant flows and its application to vertical buoyant jets, including mathematical model, calculation of vertical buoyant jets, and explanation of velocity and temperature spreading in pure jets and pure plumes. The publication is a dependable reference for scientists and readers interested in turbulent buoyant jets and plumes.
Author: Milorad Lj Bojic
Publisher:
ISBN:
Category :
Languages : en
Pages : 198
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Book Description
Author: P.A. Davies
Publisher: Springer Science & Business Media
ISBN: 9401109184
Category : Science
Languages : en
Pages : 513
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Book Description
Challenging problems involvrllg jet and plume phenomena are common to many areas of fundamental and applied scientific research, and an understanding of plume and jet behaviour is essential in many geophysical and industrial contexts. For example, in the field of meteorology, where pollutant dispersal takes place by means of atmospheric jets and plumes formed either naturally under conditions of convectively-driven flow in the atmospheric boundary layer, or anthropogenically by the release of pollutants from tall chimneys. In other fields of geophysics, buoyant plumes and jets are known to play important roles in oceanic mixing processes, both at the relatively large scale (as in deep water formation by convective sinking) and at the relatively small scale (as with plume formation beneath ice leads, for example). In the industrial context, the performances of many engineering systems are determined primarily by the behaviour of buoyant plumes and jets. For example, (i) in sea outfalls, where either sewage or thermal effluents are discharged into marine and/or freshwater environments, (ii) in solar ponds, where buoyant jets are released under density interfaces, (iii) in buildings, where thermally-generated plumes affect the air quality and ventilation properties of architectural environments, (iv) in rotating machinery where fluid jet~ are used for cooling purposes, and (v) in long road and rail tunnels, where safety and ventilation prcedures rely upon an understanding of the behaviour of buoyant jets. In many other engineering and oceanographic contexts, the properties of jets and plumes are of great importance.
Author: L. D. Kannberg
Publisher:
ISBN:
Category : Buoyant ascent (Hydrodynamics)
Languages : en
Pages : 272
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Book Description
Author: Jerry Lee Anderson
Publisher:
ISBN:
Category : Thermal pollution of rivers, lakes, etc
Languages : en
Pages : 242
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Book Description
"Negatively buoyant jets, or sinking jets, can be observed in many problems of pollutant discharge. Any chemical waste that is heavier than the receiving water into which it is discharged may act as a negatively buoyant jet. In addition, when water is taken from the hypolimnion of a deep lake or reservoir and used as cooling water, the temperature, and consequently, the discharge may behave like a negatively buoyant jet. Two existing jet diffusion models have been utilized to predict the trajectory and dilution of a positively buoyant jet, or a rising jet, and have been modified to account for the sinking effect. Twenty-four experimental investigations were conducted involving different combinations of densimetric Froude number, velocity ratios, and initial angle of discharge. Salt was used as the tracer, yielding a fluid that was denser than the ambient receiving water and facilitated measuring concentration profiles of the jet plume. The coefficient of entrainment, the major mechanism of dilution, was determined as a function of the densimetric Froude number, velocity ratio, and initial angle of discharge. The reducted drag coefficient was chosen as zero for both models since any other value would predict a trajectory whose rise would be less than experimentally observed. For all angles of discharge the entrainment coefficient increased with a decrease in the velocity ratio and with an increase in densimetric Froude number. Additionally, there was a marked decrease in the entrainmnet coefficient with a decrease in the initial angle of discharge."--Page ii.
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 964
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Book Description
Author: Yasuhiro Kamotani
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 86
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Book Description
