shaft work fluid mechanics

 It only depends on the height of liquid. Clipping is a handy way to collect important slides you want to go back to later. In this propp 12 blem, = . Isothermal (ΔT=0): Shaft work), Friction factor is used to determine the friction loss per unit mass (F),  Understand the 2 approaches to incorporate friction loss due to pipe fittings in the Where Ws = Work per unit mass done by the fluid on the surroundings, J/kg F = Friction loss per unit mass, J/kg. Fluid Mechanics Mechanical Engineering We will disco We have chosen each to be zero by using gage pressures, but even if we had used absolute pressures, the difference would still be zero and no shaft work would be needed for increasing the pressure. 578 0 obj <> endobj M.E.  Can happen with changing crossional area of pipe, An equation to describe the flow pattern in multi-dimensional flow,  Apply the equation of momentum for multi-dimensional flow Bernoulli Equation that the shaft work also must supply any needed of the fluid pressurizing (pp 21−)/ ρ. The ME Eq.  Determine the flowrate using continuity and Navier-Stokes equations,  Derived from molecular (τ) and advective ((ρv)v) momentum endstream endobj 579 0 obj <>/Metadata 57 0 R/Outlines 77 0 R/PageLayout/OneColumn/Pages 573 0 R/StructTreeRoot 80 0 R/Type/Catalog>> endobj 580 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 581 0 obj <>stream  Calculate hydrostatic pressure k = Υ for adiabatic flow (q = 0, T changes),  Understand multi-dimensional flow 0 Munson, Young and Okiishi's Fundamentals of Fluid Mechanics (8th Edition) Edit edition. Spur-gear differential. Fluids in rigid-body motion, No public clipboards found for this slide, Fluid Mechanics Chapter 3. 1 You can change your ad preferences anytime. If you continue browsing the site, you agree to the use of cookies on this website. Ws is negative if: Work is done on the fluid by the surroundings (ie. Derivation of the Bernoulli Equation Assumptions Inviscid flow (ideal fluid, frictionless) Steady flow Along a streamline Constant density (incompressible flow) No shaft work or heat transfer Care must be exercised when applying the Bernoulli equation since it is an approximation that applies only to inviscid regions of flow. Learn more. Ring gears are also used in starter motors. Compressible flow, Fluid Mechanics Chapter 5.  Determine the flowrate and direction of flow. Please sign in or register to post comments. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. In the image, the yellow shaft carries the sun gear which is almost hidden.  Determine the V, Q, P and power of fluid in pipe with friction and/or shaft work, The ME Eq. Chapter 3 Looks like you’ve clipped this slide to already. When you have completed this tutorial, you should be able to …  Determine length of pipe, pressure and mass flowrate at critical chocked flow, Choked flow occurs when gas velocity has reached sonic velocity (c), Where k = 1 for isothermal flow (ΔT = 0) But shaft work, stirring, and rubbing are not thermodynamic work as here defined, in that they do not change the volume of the system against its resisting pressure. Introduction, physical laws of fluid mechanics, the Reynolds transport theorem, Conservation of mass equation, Linear momentum equation, Angular momentum equation, Energy equation, Bernoulli equation. See our User Agreement and Privacy Policy. h�bbd``b`�$�� ��Ċ I� cKD|�@�i�e"tA��e�$������L�L�,F�����|0 A 8  Determine pressure force exerted on a wall,  Hydrostatic pressure is independent of the amount of liquid Scribd will begin operating the SlideShare business on December 1, 2020 Prepared by: Addisu Dagne May 2017. endstream endobj startxref . Fluid mechanics is a traditional cornerstone in the education of civil engineers. A spur-gear differential has two equal-sized spur gears, one for each half-shaft, with a space between them.  Equivalent length estimates (Leq),  Understand the design of piping network The blue gears are called planet gears and the pink gear is the ring gear or annulus. (MEng 2113) This text is an outgrowth of lectures I have given to civil engineering students at … 596 0 obj <>/Filter/FlateDecode/ID[<5364437317F22B4EA0129AB83BC4C2D5>]/Index[578 34]/Info 577 0 R/Length 88/Prev 185364/Root 579 0 R/Size 612/Type/XRef/W[1 2 1]>>stream As numerous books on this subject suggest, it is possible to introduce fluid mechanics to students in many ways. ��\�/����&���h,O8����\U�����{B�. Now customize the name of a clipboard to store your clips. For simplicity, we will examine perfect gases, which have the equa- tion of state ˆ=p=RT and for which cp, cv, and R are constant. Integral relations for a control volume. Turbine work)  Understand the three forms of friction factor and Moody Diagram Dimensional Analysis and Similitude, Fluid Mechanics Chapter 4. Fluid Mechanics Matthew P. Juniper 10.1INTRODUCTION So far we have examined incompressible flows, which have the equation of state ˆ= constant.In this chapter we will examine compressible flows, which have other equations of state. The Bernoulli Equation can also be expressed in head (length) or in pressure. As of this date, Scribd will manage your SlideShare account and any content you may have on SlideShare, and Scribd's General Terms of Use and Privacy Policy will apply. The Shaft work per unit mass ℎ ℎ Chapter 5 Fundamentals of Fluid Mechanics from ME 3030 at California State University Los Angeles mechanical energy equation Work without change of volume is known as isochoric work, for example when an agency, in the surroundings of the system, drives a frictional action on the surface or in the interior of the system. %%EOF 611 0 obj <>stream  One momentum equation for each dimension in a coordinate system, Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Upgrade to Premium to read the full document, Share your documents to get free Premium access, Major And Minor Losses Due To Pipe Diameter And Fitting - Lab Report. For steady state incompressible flow along a streamline, For steady state incompressible flow between two points.  Determine the V, Q, P and power of fluid in pipe,  F is the friction loss in a straight pipe.  Determine sonic velocity, mass flux, mass flowrate and pressure, The velocity of a pressure wave of a gas flow is the sonic velocity. F = Friction loss per unit mass, J/kg, Ws is positive if: Work is done by the fluid on the surroundings (ie. FLUID FLOW THEORY In order to complete this tutorial you should already have completed level 1 or have a good basic knowledge of fluid mechanics equivalent to the Engineering Council part 1 examination 103. Isentropic (ΔS=0): Assume no shaft work with horizontal pipe, For compressible flow, velocity is not a constant, but mass flowrate (G) is a constant,  Predict choked flow condition See our Privacy Policy and User Agreement for details. Integral Relations For A Control Volume %PDF-1.5 %���� Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Differential relations for a fluid flow, Fluid Mechanics Chapter 2 Part II.  Determine the stream function and flowrate,  Fluid flow in more than one direction also considers shaft work and friction of fluid flow in pipe. Bernoulli Equation is a statement about the energy per unit mass of streamline fluid flow. h��W�n�6�>&(�*R�"@.M��&m�)`�A��D�m������3IQ��$.�ba(q�ù�*ӄ��22�I)%�)QZ�ȉ2F�L�$��0*˜��&)Zj•A�!��tJ3"2�a�H�I2��8��������ӧ�լX�˧�ѬX�e�9Nn��r]�6Gg��8NƯ//�bjBOOa���_�*�]��<  Understand the mechanical energy equation If you wish to opt out, please close your SlideShare account.  The 2 methods to quantify this loss are  Determine the pressure of a system at different locations Performance Analysis of Power Plant Systems, Introduction to Thermo-fluid System Design, Fluid Mechanics Chapter 7. h�b```�6����cb� 0�s4e��$���E�ז�E.%䀵�Ō��{03���P>������UU �B�m��,8~,���z�ʴW��U����ŏ �/�z��a���ՇT�|��,�ɞ'��[��d� o�H����S��� �o�z~D�Y�yCDGcG����h`P� 2��@$�GP@�ˀH3)a��r���P���1�x���� �`� ~��=�b�71�g:�=C셂�Tk�Du]���ܾ)Ҏf ,�p5f`��?bf>���A�!��6>U�� l�}s 1. Department balance between tank 1 and junction J:  Derive mechanical energy balance for compressible gas flow also considers shaft work and friction of fluid flow in pipe, Where Ws = Work per unit mass done by the fluid on the surroundings, J/kg  Also needs to consider friction loss at pipe fittings (elbows, valves, junctions, etc.) We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads.

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