Near Field Characteristics Of Vertical Turbulent Buoyant Planar Jet
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Vertical Turbulent Buoyant Jets
Author | : Ching Jen Chen |
Publisher | : Pergamon |
Total Pages | : 104 |
Release | : 1980 |
Genre | : Technology & Engineering |
ISBN | : |
Turbulent Jets and Plumes
Author | : Joseph Hun-wei Lee |
Publisher | : Springer Science & Business Media |
Total Pages | : 391 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461504074 |
Jets and plumes are shear flows produced by momentum and buoyancy forces. Examples include smokestack emissions, fires and volcano eruptions, deep sea vents, thermals, sewage discharges, thermal effluents from power stations, and ocean dumping of sludge. Knowledge of turbulent mixing by jets and plumes is important for environmental control, impact and risk assessment. Turbulent Jets and Plumes introduces the fundamental concepts and develops a Lagrangian approach to model these shear flows. This theme persists throughout the text, starting from simple cases and building towards the practically important case of a turbulent buoyant jet in a density-stratified crossflow. Basic ideas are illustrated by ample use of flow visualization using the laser-induced fluorescence technique. The text includes many illustrative worked examples, comparisons of model predictions with laboratory and field data, and classroom tested problems. An interactive PC-based virtual-reality modelling software (VISJET) is also provided. Engineering and science students, researchers and practitioners may use the book both as an introduction to the subject and as a reference in hydraulics and environmental fluid mechanics.
Turbulent Buoyant Jets and Plumes
Author | : Wolfgang Rodi |
Publisher | : Elsevier |
Total Pages | : 193 |
Release | : 2014-05-09 |
Genre | : Technology & Engineering |
ISBN | : 1483189872 |
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.
A Review of Experimental Data of Vertical Turbulent Buoyant Jets
Author | : Ching Jen Chen |
Publisher | : |
Total Pages | : 94 |
Release | : 1976 |
Genre | : Fluid dynamics |
ISBN | : |
Interaction of a Buoyant Turbulent Planar Jet with a Co-flowing Wind
Author | : Milton M. Klein |
Publisher | : |
Total Pages | : 48 |
Release | : 1975 |
Genre | : Atmospheric temperature |
ISBN | : |
The classic theory of buoyant motion of a free planar heated jet in still air is extended to account for environmental winds from the same direction as the jet, that is, co-flowing winds. The model is applicable for wind and jet velocities up to 100 m/sec, and jet temperatures up to three times the ambient. Calculations are made for initial jet velocities of 5 and 20 m/sec and temperature excesses, relative to ambient temperature, of 0.3 and 1. For light winds relative to the initial jet velocity the vertical velocity and centerline trajectory of the plume rise rapidly with distance from the jet source. This is similar to that found with the classic theory for still air. As the wind speed approaches the initial jet velocity, the rise of the jet plume with distance from the source is much more gradual. For all wind speeds, the axial jet velocity and temperature decrease rapidly with distance from the jet source, until they become almost constant at short distances downstream. A similarity rule is derived which preserves dynamic similarity in scaling from a given system to another system. For low wind speeds the procedure is close to that based on constant Froude number. (Author).
Turbulent Jets and Plumes
Author | : Joseph Hun-wei Lee |
Publisher | : Springer Science & Business Media |
Total Pages | : 408 |
Release | : 2003-09-30 |
Genre | : Mathematics |
ISBN | : 9781402075209 |
CD-ROM contains: an interactive PC-based virtual-reality modelling software (VISJET 2.0 limited version).
Sprayed Concrete Lined Tunnels
Author | : Alun Thomas |
Publisher | : CRC Press |
Total Pages | : 2354 |
Release | : 2008-10-08 |
Genre | : Technology & Engineering |
ISBN | : 0415365465 |
Practising engineers on site, in the design office or in client organizations will find this book an excellent introduction to the design and construction of sprayed concrete lined (SCL) tunnels. The complex behaviour of the early age behaviour of the sprayed concrete requires careful management. This book covers all aspects of SCL tunnelling – from the constituents of sprayed concrete to detailed design and management during construction. Although there is a close interdependence between all the facets of sprayed concrete, few engineers have the right breadth of experience and expertise, and this urgently needs to be transferred to the wider engineering community. Disseminating essential information for tunnelling engineers, Sprayed Concrete Lined Tunnels is key reading for all involved in or studying the process.