Further Experiments on the Flow and Heat Transfer in a Heated Turbulent Air Jet PDF Download
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Author: Stanley Corrsin
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 66
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Book Description
Measurements have been made of the mean total-head and temperature fields in a round turbulent jet with various initial temperatures.
Author: Stanley Corrsin
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 66
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Book Description
Measurements have been made of the mean total-head and temperature fields in a round turbulent jet with various initial temperatures.
Author: Alfred Gessow
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 304
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Book Description
Author: Stanley Corrsin
Publisher:
ISBN:
Category : Air jets
Languages : en
Pages : 696
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Book Description
Measurements have been made of the mean total-head and temperature fields in a round turbulent jet with various initial temperatures.
Author: James Franklin Campbell
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 70
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Book Description
An investigation has been undertaken to develop a theoretical model of the incompressible jet injection process. The discharge of a turbulent jet into a cross flow was mathematically modeled by using an integral method which accounts for natural fluid mechanisms such as turbulence, entrainment, buoyancy, and heat transfer. The analytical results are supported by experimental data and demonstrate the usefulness of the theory for estimating the trajectory and flow properties of the jet for a variety of injection conditions. The capability of predicting jet flow properties, as well as two- and three- dimensional jet paths, was enhanced by obtaining the jet cross-sectional area during the solution of the conservation equations (a number of previous studies assume a specific growth for the area). Realistic estimates of temperature in the jet fluid were acquired by accounting for heat losses in the jet flow due to forced convection and to entrainment of free-stream fluid into the jet.
Author: Armour Research Foundation (U.S.)
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 84
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Book Description
This report is the summary of a literature survey and analytical study performed by the Armour Research Foundation for NEPA on the subject of the effect of turbulence promotion on forced convection heat transfer and fluid friction.
Author: Chia-Ch'iao Lin
Publisher: Princeton University Press
ISBN: 1400879418
Category : Science
Languages : en
Pages : 570
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Book Description
Volume V of the High Speed Aerodynamics and Jet Propulsion series. Topics include transition from laminar to turbulent flow; turbulent flow; statistical theories of turbulence; conduction of heat; convective heat transfer and friction in flow of liquids; convective heat transfer in gases; cooling by protective fluid films; physical basis of thermal radiation; and engineering calculations of radiant heat exchange. Originally published in 1959. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: Robert G. Deissler
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 608
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Book Description
A previous analysis of turbulent heat transfer and flow with variable fluid properties in smooth passages is extended to flow over a flat plate at high Mach numbers. Velocity and temperature distributions are calculated for a boundary layer in which the effects of both frictional heating and external heat transfer are appreciable. The viscosity and thermal conductivity are assumed to vary as a power of the temperature, while the Prandtl number and specific heat are taken as constant. Skin-friction and heat-transfer coefficients are calculated and compared with the incompressible values. The relation between boundary-layer thickness and distance along the plate is obtained for various Mach numbers. The analytical results are compared with representative experimental data.
Author: Milton M. Klein
Publisher:
ISBN:
Category : Fog
Languages : en
Pages : 40
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Book Description
A broad experimental and theoretical program is being conducted to aid in the development of an operational warm fog dispersal system which utilizes momentum driven ground based heat sources. To help determine optimum heat and thrust combinations for the system, investigations are being made of the buoyant motion of heated turbulent jets both coflowing (wind and jet in the same direction) and counterflowing (wind and jet opposite). The investigation of the coflowing jet has been completed and in addition a model has been developed from which the dynamic characteristics of a heated counterflowing jet in the absence of buoyancy can be calculated. The present investigation is concerned with the effect of buoyancy upon the motion of a counterflowing jet. The lower portion of the trajectory, which has been calculated by the present model, is in fair to good agreement with the corresponding experimental curve, the calculated curve tending to be somewhat higher than that obtained experimentally. The calculated upper part of the trajectory, obtained from a model which gives the deflection of a jet in a crosswind, is in good agreement with experiment.
Author: Donald Gene Arganbright
Publisher:
ISBN:
Category : Air jets
Languages : en
Pages : 406
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Book Description
Author: Howard S. Carter
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 38
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Book Description
Heat-transfer rates have been measured in free flight along the stagnation line of an unswept cylinder mounted transversely on an axial cylinder so that the shock wave from the hemispherical nose of the axial cylinder intersected the bow shock of the unswept transverse cylinder. Data were obtained at Mach numbers from 2.53 to 5.50 and at Reynolds numbers based on the transverse cylinder diameter from 1.00 x 106 to 1.87 x 106. Shadowgraph pictures made in a wind tunnel showed that the flow field was influenced by boundary-layer separation on the axial cylinder and by end effects on the transverse cylinder as well as by the intersecting shocks. Under these conditions, the measured heat-transfer rates had inconsistent variations both in magnitude and distribution which precluded separating the effects of these disturbances. The general magnitude of the measured heating rates at Mach numbers up to 3 was from 0.1 to 0.5 of the theoretical laminar heating rates along the stagnation line for an infinite unswept cylinder in undisturbed flow. At Mach numbers above 4 the measured heating rates were from 1.5 to 2 times the theoretical rates.
