Investigations Of Turbulent Natural Convection In A Horizontal Cylinder PDF Download
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| Author | : James A. Liburdy |
| Publisher | : |
| Total Pages | : 42 |
| Release | : 1982 |
| Genre | : |
| ISBN | : |
Download Investigations of Turbulent Natural Convection in a Horizontal Cylinder Book in PDF, ePub and Kindle
An experimental study examines the transient natural convective heat transfer in a liquid filled horizontal cylinder with a constant uniform heat flux. The transient and quasi-steady state response of the local and averaged Nusselt number is correlated with a modified Rayleigh number. The transient response is mapped against the stretch time scale represented by the product of the Fourier modulus and modified Rayleigh number. Internal fluid temperature probe measurements and flow visualization reveal boundary layer type flow along the side walls with increased temperature fluctuations near the wall. Unstable mixing zones occur neat the top and bottom of the cylinder which may be three dimensional.
| Author | : Michael Edward Boghosian |
| Publisher | : |
| Total Pages | : 204 |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
Download A Numerical Investigation of Laminar and Turbulent Natural Convection in a Horizontal Cylinder with Internal Heat Generation Book in PDF, ePub and Kindle
| Author | : Sandra K. S. Boetcher |
| Publisher | : Springer |
| Total Pages | : 57 |
| Release | : 2014-08-05 |
| Genre | : Science |
| ISBN | : 3319081322 |
Download Natural Convection from Circular Cylinders Book in PDF, ePub and Kindle
This book presents a concise, yet thorough, reference for all heat transfer coefficient correlations and data for all types of cylinders: vertical, horizontal, and inclined. This book covers all natural convection heat transfer laws for vertical and inclined cylinders and is an excellent resource for engineers working in the area of heat transfer engineering.
| Author | : Irving H. Brooks |
| Publisher | : |
| Total Pages | : 68 |
| Release | : 1969 |
| Genre | : |
| ISBN | : |
Download An Experimental Investigation of Natural Convection in a Horizontal Cylinder Book in PDF, ePub and Kindle
The study deals with an experimental investigation into the natural convection inside a horizontal cylinder. The fluid, geometry, and thermal boundary condition were chosen so as to have a high Prandtl number and unit order Grashof number. The thermal boundary condition was established by imposing temperatures at two points, 180 degrees apart, on the circumference of the cylinder. The resulting boundary condition for the full 360 degrees was found experimentally and is presented. The apparatus was constructed so that the entire cylinder could be rotated. This was done so that the diameter containing the two imposed temperatures could vary from being horizontal to being vertical. In this way an arbitrary heating angle was incorporated into the boundary condition. Temperature profiles and streamline patterns were observed at steady state for various values of this heating angle and for various initial conditions. For some cases, velocity profiles were also plotted. It was found that the interior 'core' of fluid was thermally stratified when the diameter containing the two imposed temperatures was horizontal. The flow occurred primarily in the region close to the cylinder wall. The cylinder was rotated so that the diameter containing the two imposed temperatures made an angle with the horizontal. (Author).
| Author | : Roger Bell Stewart |
| Publisher | : |
| Total Pages | : 72 |
| Release | : 1974 |
| Genre | : Cylinders |
| ISBN | : |
Download Numerical and Experimental Studies of the Natural Convection Within a Horizontal Cylinder Book in PDF, ePub and Kindle
| Author | : Ali Savzevari |
| Publisher | : |
| Total Pages | : 81 |
| Release | : 1966 |
| Genre | : |
| ISBN | : |
Download Experimental Studies of Natural Convection in a Horizontal Cylinder Book in PDF, ePub and Kindle
An experimental investigation was conducted to study the natural convection of a high kinematic viscosity oil enclosed in a horizontal cylinder. The circumferential wall of a 5 in. I.D. copper cylinder was heated according to a cosine temperature distribution. The maximum and minimum temperatures on the cylinder wall were chosen for large Prandtl numbers and unit order Grashof numbers. The experimental equipment was so designed that a variety of heating configurations could be investigated, namely, ranging from the heating-from-the-side to the heating-from-below case. For several heating configurations, detailed velocity and temperature measurements were performed over the entire cross section of the midplane between the two ends of the cylinder. The physical nature of the core region and of the boundary layer region were studied in each considered case. Some of the experimental results were compared with the theory, which had been established previously for this problem. (Author).
| Author | : Thomas F. Jr. Irving |
| Publisher | : Elsevier |
| Total Pages | : 201 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323160336 |
Download Steam and Gas Tables with Computer Equations Book in PDF, ePub and Kindle
Steam and Gas Tables with Computer Equations presents tables illustrating the thermodynamic properties of steam and air, along with computer equations. Additional equations for a number of other gaseous substances which are useful in engineering investigations are included. This book is comprised of two chapters and begins with a discussion on the thermodynamic properties of steam, which can be divided into saturation and superheat properties. The various thermodynamic properties, including saturation temperature and pressure and liquid and vapor saturation entropy, are represented with three basic types of equations from the triple point to the critical point. The accuracy of the properties calculated from the base data is also considered. The next chapter deals with the thermodynamic properties of air and other gases (ethane, hydrogen, methane, nitrogen, oxygen propane, n-butane), including those properties which are useful in engineering design and analysis (specific heat at constant pressure and volume, enthalpy and entropy function, isentropic pressure function, etc). This monograph will serve as a useful guide for chemists, mathematicians, and computer programmers and scientists.
| Author | : Bakhtier Farouk |
| Publisher | : |
| Total Pages | : 456 |
| Release | : 1981 |
| Genre | : Heat |
| ISBN | : |
Download Laminar and Turbulent Natural Convection Heat Transfer from Horizontal Cylinders Book in PDF, ePub and Kindle
| Author | : WILLIAM R. MARTINI |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 1956 |
| Genre | : |
| ISBN | : |
Download NATURAL CONVECTION INSIDE A HORIZONTAL CYLINDER Book in PDF, ePub and Kindle
| Author | : Ernest R. Menold |
| Publisher | : |
| Total Pages | : 187 |
| Release | : 1965 |
| Genre | : |
| ISBN | : |
Download Natural Convection in a Horizontal Cylinder at Large Prandtl Numbers Book in PDF, ePub and Kindle
This work deals with the natural convection of a fluid confined within an infinite horizontal cylinder, at large Prandtl numbers and unit order Grashof numbers. The fluid motion is generated by means of a cosine temperature distribution imposed circumferentially on the cylinder wall. An arbitrary phase angle is included in this distribution in order to investigate a variety of heating configurations ranging from the heated-from-the-side to the heated-from-below case. The governing equations are solved using a technique only recently applied to problems of this nature, known as the 'modified Oseen linearization'. The mathematical simplifications inherent in a large Prandtl number analysis make it possible to scrutinize carefully this technique, and both its simplifications and shortcomings are discussed. Key assumptions in the analysis are carefully examined and ambiguities appearing in earlier work are pointed out. An experimental investigation of natural convection phenomena in a viscous silicone oil confined in a horizontal cylinder is made, and the results are compared with theory. The experimental equipment was designed so that a cosine temperature distribution could be maintained on the cylinder wall. (Author).
