pressure due to friction. As increasing the average of velocity‚ the pressure losses will increase too. For constant conditions limits of flow‚ Osbourne Reynolds showed in 1883 that there are two kinds of flows according to the value of a dimensionless number called the Reynolds number and noted: ReD =ρV Dμ‚ where V is the flow velocity‚ D a characteristic size‚ and v the fluid kinematic viscosity. When the Reynolds number is low‚ the current lines are stationary‚ and the flow is said laminar
Premium Fluid dynamics Viscosity Reynolds number
Discussion…………………………………………………………………………………………6 Conclusion………………………………………………………………………………………...7 Reference……………………………………………………………………………………….....7 Appendix…………………………………………………………………………………………..7 ABSTRACT This experiment introduces the use of dimensionless analysis and conventionally analytical method to survey the performance of centrifugal pump. The end of this experiment points out the benefit of using the “new” method to the conventional in most practical problem‚ especially in the survey of
Premium Fluid dynamics
increased there will be an angle at which the body begins to slide down the plane. This is the angle of repose and the tangent of this angle is the same as the coefficient of friction. [pic] [pic] µ=tan([pic]) Coefficient of friction is a dimensionless scalar value which describes the ratio of the force of friction between two bodies and the force pressing them together. The coefficient of friction depends on the material used. EXPERIMENTAL METHOD Appartus required :- The objects required
Premium Friction Force
Using System Dynamics in Business Simulation Training Games by Jennifer Ching-Wen Han Submitted to the Department of Electrical Engineering and Computer Science in Partial Fulfillment of the Requirements for the Degree of Masters of Engineering in Electrical Engineering and Computer Science at the MASSACHUSETTS INSTITUTE OF TECHNOLOGY May 9th‚ 1997 © Massachusetts Institute of Technology‚ 1997. All Rights Reserved. Au th or .......................................................................
Premium Project management Feedback
4 External Forced Convection 4.1 Introduction to Laminar Boundary Layers 4.1.1 Introduction Chapters 1 through 3 consider conduction heat transfer in a stationary medium. Energy transport within the material of interest occurs entirely by conduction and is governed by Fourier’s law. Convection is considered only as a boundary condition for the relatively simple ordinary or partial differential equations that govern conduction problems. Convection is the transfer of energy in a moving medium
Premium Heat transfer Energy Heat
behavior of the flow of fluid either it is laminar or turbulent by calculating it’s Reynolds number and the characteristic of the flow. Other than that‚ the range for laminar and turbulent flow can be calculated and the theory that Reynolds number is dimensionless can be proven. The pump is opened to let the water flow. The dye injector valve is opened to let the dye flow into the glass tube which act as an indicator to the fluid behavior either it is laminar‚ transition or turbulent. The volume of water
Premium Reynolds number Fluid dynamics Viscosity
Thin-Walled Structures 48 (2010) 879–887 Contents lists available at ScienceDirect Thin-Walled Structures journal homepage: www.elsevier.com/locate/tws Analytical solution to flexural responses of annular sector thin-plates Kyungsik Kim a‚ Chai H. Yoo b‚n a b Department of Civil and Environmental Engineering‚ Cheongju University‚ Cheongju‚ Chungbuk‚ 360-764‚ Republic of Korea Department of Civil Engineering‚ Auburn University‚ Auburn‚ AL 36849-5337‚ USA a r t i c l e in fo abstract
Premium Partial differential equation
laminar and turbulence flow. It was proved that the Reynolds number is dimensionless by using the units only and using the appropriate formula. TABLE OF CONTENTS Abstract………………………………………………………………………………………. 1 Table of Contents…………………………………………………………………………….2 1.1 Introduction……………………………………………………………………………….3 1.2 Objective ……………………………………………………………………………….....3 1.3 Theory……………………………………………………………………………………..4 1.4 Diagram and Description of apparatus………………………………………………...5 1.5 Experimental
Premium Fluid dynamics Reynolds number Viscosity
CASE STUDY: Tragedy of the Commons Overview: The phenomenon known as the "tragedy of the Commons" is a classic environmental event that can be applied to a number of different situations and locations throughout the world. It is best know as the "tragedy of the Sahel"‚ referring to the area in Africa below the Sahara Desert. The Tragedy of the Sahel is an instance of a more general phenomenon‚ The Tragedy of the Commons as articulated by Garrett Hardin. The Tragedy of the Commons occurs when people
Free Population Demography Cattle
= original length There are two types of strain‚ they are: (i) Tensile strain = = (ii) Compressive strain = = Strain is the ratio of the change in length to the original length‚ therefore it is a dimensionless quantity or it has no unit. Force and Elongation When a wire is being stretched‚ an elongation will occur. During this process‚ the attractive force between the atoms will increase (up to a point) and this will prevents the elongation
Premium Elasticity Tensile strength