Steady, Laminar Forced Convection Heat Transfer in Spherical Annuli PDF Download
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Author: Mehdi Moravej-Torbaty
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 234
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Book Description
Author: Mehdi Moravej-Torbaty
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 234
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Calculations of steady laminar incompressible fluid-flow and heat transfer in a spherical annulus are presented. Steady pressures, temperatures, velocities, and heat transfer coefficients are calculated for an insulated outer sphere and a 0°C isothermal inner sphere with 50°C heated water flowing in the annulus. The inner sphere radius is 13.97 cm, the outer sphere radius is 16.83 cm and the radius ratio is 1.2. The transient axisymmetric equations of heat, mass, and momentum conservation are solved numerically in spherical coordinates. The transient solution is carried out in time until steady state is achieved. A variable mesh is used to improve resolution near the inner sphere where temperature and velocity gradients are steep. It is believed that this is the first fully two-dimensional analysis of forced flow in a spherical annulus. Local and bulk Nusselt numbers are presented for Reynolds numbers from 4.4 to 440. Computed bulk Nusselt numbers ranged from 2 to 50 and are compared to experimental results from the literature. Inlet flow jetting off the inner sphere and flow separation are predicted by the analysis. The location of wall jet separation was found to be a function of Reynolds number, indicating the location of separation depends upon the ratio of inertia to viscous forces. Wall jet separation has a pronounced effect on the distribution of local heat flux. The area between inlet and separation was found to be the most significant area for heat transfer. Radial distributions of azimuthal velocity and temperature are presented for various angles beginning at the inlet. Inner sphere pressure distribution is presented and the effect on flow separation is discussed.
Author: Werner Stein
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Book Description
Author: Dean Byard Tuft
Publisher:
ISBN:
Category :
Languages : en
Pages : 242
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Author: H. F. Poppendiek
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 64
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Book Description
Author: R. K. Shah
Publisher: Academic Press
ISBN: 1483191303
Category : Technology & Engineering
Languages : en
Pages : 492
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Book Description
Laminar Flow Forced Convection in Ducts is a sourcebook for compact heat exchanger analytical data. This book describes the analytical solutions for laminar fluid flow and forced convection heat transfer in circular and noncircular pipes, including applicable differential equations and boundary conditions involving velocity and temperature problems of fluid flow. The book also discusses fluid flow—how much power is required to pump fluids through the heat exchanger, as well as the heat transfer—the determination of q" distribution, and the temperature of fluid and walls. The text also analyzes the coolant or heat transfer fluid flows in a nuclear power reactor composed of a bundle of circular section fuel rods located inside a round tube. R.A. Axford addresses fluid flow and heat transfers results for the rod bundle geometry in "Heat Transfer in Rod Bundles." The book also provides an overview and guidelines that can be used for the designer and the applied mathematician. This book is suitable for engineers working in electronics, aerospace, instrumentation, and biomechanics that use cooling or heating exchanges or solar collection systems.
Author: Wade Shafer
Publisher: Springer Science & Business Media
ISBN: 1461337003
Category : Science
Languages : en
Pages : 335
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 26 (thesis year 1981) a total of 11 ,048 theses titles from 24 Canadian and 21 8 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 26 reports theses submitted in 1981, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Sadik Kakaç
Publisher: CRC Press
ISBN: 9780849399398
Category : Science
Languages : en
Pages : 436
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Book Description
Convective Heat Transfer presents an effective approach to teaching convective heat transfer. The authors systematically develop the topics and present them from basic principles. They emphasize physical insight, problem-solving, and the derivation of basic equations. To help students master the subject matter, they discuss the implementations of the basic equations and the workings of examples in detail. The material also includes carefully prepared problems at the end of each chapter. In this Second Edition, topics have been carefully chosen and the entire book has been reorganized for the best presentation of the subject matter. New property tables are included, and the authors dedicate an entire chapter to empirical correlations for a wide range of applications of single-phase convection. The book is excellent for helping students quickly develop a solid understanding of convective heat transfer.
Author: Mansour Zenouzi
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 268
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1370
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
