Moody s diagram moodys diagram is used to compute for the friction factor in the pipe that a working fluid flows across. Therefore, it is often effective to solve for this friction factor using the moody chart. Review of basic fluid mechanics hydromechanics vvr090 hydrostatics fluids at rest. Design and selection of machine elements gears, pulleys, chains and sprockets and belts. Ce6303 mechanics of fluids previous year question papers. Determining friction factor for di pipes by direct surface roughness measurement.
Agricultural and irrigation engineering machine design. It can be used to predict pressure drop or flow rate down such a pipe. Introduction to dimensions and units physical properties of fluids specific gravity, viscosity, surface tension, vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydrostatic law. A very nice moody diagram in pdfformat from glasgow college of nautical studies can be found here. Mfkgt75 msc in hydrogeological engineering full time. The coefficient can be estimated with the diagram below. What is moody diagram definition thermal engineering. Fluid definition, distinction between solid and fluid. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus.
Mention the range of reynolds number for laminar and turbulent flow in a. Fluid mechanics pdf notes fm pdf notes smartzworld. Syllabus for general aptitude ga common to all papers verbal ability. The total energy e t at 1 and 2 on the diagram fig. Darcys weisbach equation, other energy losses in pipes, loss due to sudden expansion, hydraulic gradient and total energy lines, pipes in series and in parallel, equivalent pipe, branched pipe, pipe networks, hardy cross method, water hammer.
Fluid mechanics the study of fluids liquids and gases. Moodys spreading draft tube 02 mark v define turbulent flow. Mohsinsiddique assistant professor 1 fluid mechanics. If the plate moves with a uniform speed of 20 cms by the application of a force of 6 n parallel to the plane of the plate, determine the fluid viscosities.
Introduce the moody diagram to find friction factors. We use the moody chart often to estimate frictional factors. Be mechanical engineering be me i semester thory code title unit. Alternatively, if you want to know what the maximum water velocity flowing in a 18 guide on how to develop a small. Moody chart or moody diagram the engineering concepts. Civil engineering and surveying applications for the hp 48 graphic calculator as part of the hp calculator archive. Reynolds experiment, critical reynolds number, darcy weisbach and fanning friction factor, moody s diagram, minor losses and flow through simple. Ans flow of fluid in which fluid particles have a zigzag path during flow is called turbulent flow. E civil engineering, second year 3rd semester ce6303 mechanics of fluids previous year question papers for the regulation 20. Basic fluid mechanics major losses, colebrookwhite equation, jain equation, moody diagram, minor losses. Drag is the force acting on an object in the direction of upstream velocity it is due to pressure and shear forces over. English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction. The formula is u mc c is the specific heat capacity jkg oc is the temperature in oc.
Vvr 120 fluid mechanics nikuradses experiments a major contribution on determining the friction factor as a function. Ans 02 mark vii state the concept of cavitation in turbine. Properties of laminar and turbulent flows laminar and turbulent flows 3. For the love of physics walter lewin may 16, 2011 duration. If you have any doubts please refer to the jntu syllabus book. In engineering, the moody chart or moody diagram is a graph in nondimensional form that relates the darcyweisbach friction factor fd, reynolds number re, and surface roughness for fully developed flow in a circular pipe. Moodys friction factor an overview sciencedirect topics. Ce8302 syllabus fluid mechanics regulation 2017 anna university free download. Using the moody diagram reynolds number fluid mechanics. These have been measured and tabulated and sometimes plotted for an extensive. On completion of the course, students should be able to understand the physics of fluid flows, manipulate the balance equations of fluid dynamics, estimate forces and moments induced by fluid motion, evaluate head losses and analyze fluid.
Fluid mechanics and machinery pdf notes fmm pdf notes. The fluid flow in a duct may have three characteristics denoted as laminar, turbulent. I consider this a very important question in fluid mechanics because, although it is a very simple and basic one, it is often the cause of much confusion and mistakes in calculating the pressure drop of fluids. Fanning friction factor chart started by huigrant, feb 27 2011 07. Weisbachs equation pipe roughness friction factor moodys diagram major and minor losses of flow in pipes pipes in series and in parallel.
Pdf ce8302 fluids mechanics fm books, lecture notes, 2. The moody chart basically for turbulent flow when solving many fluid dynamics problems, be it. The diagram is plotted in the form of frictional factor verses reynolds number re curves for various value of relative roughness rk. This program can calculate the pressure loss produced by pipes and accesories.
Textbooks in such areas as fluid mechanics, hy draulics, heat. Pdf this technical note describes diagrams of friction factor for pipe flow that have been prepared using, mainly. Friction factor, darcyweisbach friction factor, moodys diagram. Fluid mechanics basic equations flow problem equations 2. Ce6303 mechanics of fluids page 3 in an internal flow through a long duct is. These notes are according to the r09 syllabus book of jntu. Numerical computation, numerical estimation, numerical reasoning and. This is the energy a fluid possesses by virtue of its velocity. If you assume an initial velocity, proceed as usual. The midterm and final exams consist in solving practical fluid mechanics problems. Steady incompressible laminar flow in a cylindrical pipe laminar flow in a. Moodys diagram wall shear stress 22 l 242 l ulu hf f dg r g a r p. The fluid mechanics and machinery notes pdf fmm notes pdf file. Unit i fluid properties and fluid statics mechanics of fluids notes.
In fluid mechanics, the moody chart or moody diagram is a graph which relates the darcyweisbach friction factor fd, reynolds number re, and surface roughness for fully developed flow in a circular pipe. Course title fluid mechanics course code sks022 ects number of credits allocated 5 course status core. Hp 4950 civil engineering and surveying applications. Syllabus for urban engineering assistant engineering. Momentum boundary layer and its solutions, separation of boundary. Consider a steady fully developed flow in a prismatic pipe. Moodys diagram is a graph plotted to find darcyweisbach friction factor for commercial pipe. Ce8302 syllabus fluid mechanics regulation 2017 anna. Different approaches in designing the pipeline pressure drop, massvolume low, diameter of. It is clear that in order to use the moody diagram we must be able to obtain values of surface roughness. It is similar to nikuradses plot expect for the transition regions. Module descriptor draft md template june 12 module descriptor guidelines for completion are available1 as are red guides on developing a new module and delivering a module2. Introduction to fluid mechanics and fluid machinery by s. Boundary layer theory, boundary layer equation, laminar and turbulent boundary layer and its growth over flat plate.
Ce6303 mechanics of fluids previous year question papers february 14, 2018 october 21, 2019 syed afrith b. Pdf determining friction factor for di pipes by direct. The moody diagram also known as the moody chart is a graph in nondimensional form that relates the darcy friction factor, reynolds number, and the relative roughness for fully developed flow in a circular pipe source. How to read a moody chart moody diagram updated on august 10, 2017. If the flow is transient 2300 engineering fluid mechanics 25 fluid statics the essential feature of a pressure transducer is the elastic element which converts the signal from the pressure source into mechanical displacement e. Prove that the work done by the pump is proportional to the area of indicator diagram. The moodys diagram provides a direct solution for the 1st and 4th problems. The moody friction factor, f, is an integral part of the general gas flow equation. If you dont have a velocity by which to calculate the reynolds number, you will need to assume either a velocity, or a initial friction factor. This short length over which the changes taking place is called as transition zone. The moody diagram also known as the moody chart is a graph in nondimensional form that relates the darcy friction factor, reynolds number, and the relative roughness for fully developed flow in a circular pipe. To download the notes i use for these videos, please. As with many fluid mechanics problems, the first order of business is to determine the reynolds number of the flow.
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