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. It is similar to nikuradses plot expect for the transition regions. Syllabus for general aptitude ga common to all papers verbal ability. Prove that the work done by the pump is proportional to the area of indicator diagram. Review of basic fluid mechanics hydromechanics vvr090 hydrostatics fluids at rest. Introduction to fluid mechanics and fluid machinery by s. Alternatively, if you want to know what the maximum water velocity flowing in a 18 guide on how to develop a small. Mohsinsiddique assistant professor 1 fluid mechanics. A very nice moody diagram in pdfformat from glasgow college of nautical studies can be found here. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus. Moodys diagram is accurate to about 15% for design calculations and. Pdf ce8302 fluids mechanics fm books, lecture notes, 2.
Civil engineering and surveying applications for the hp 48 graphic calculator as part of the hp calculator archive. The moodys diagram provides a direct solution for the 1st and 4th problems. Moodys friction factor an overview sciencedirect topics. 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 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. The moody friction factor, f, is an integral part of the general gas flow equation. Ce6303 mechanics of fluids previous year question papers. Properties of laminar and turbulent flows laminar and turbulent flows 3. Design and selection of machine elements gears, pulleys, chains and sprockets and belts. Fluid mechanics basic equations flow problem equations 2. 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. Textbooks in such areas as fluid mechanics, hy draulics, heat. This is the energy a fluid possesses by virtue of its velocity. Momentum boundary layer and its solutions, separation of boundary.
What is moody diagram definition thermal engineering. To download the notes i use for these videos, please. Hp 4950 civil engineering and surveying applications. 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. Be mechanical engineering be me i semester thory code title unit. Basic fluid mechanics major losses, colebrookwhite equation, jain equation, moody diagram, minor losses. The total energy e t at 1 and 2 on the diagram fig. 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. 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. Moody chart or moody diagram the engineering concepts. Remember that internal thermal energy has not been included. Fluid mechanics and machinery pdf notes fmm pdf notes.
These notes are according to the r09 syllabus book of jntu. Major losses, colebrookwhite equation, jain equation. We use the moody chart often to estimate frictional factors. Fluid definition, distinction between solid and fluid. It can be used to predict pressure drop or flow rate down such a pipe. These have been measured and tabulated and sometimes plotted for an extensive. Mfkgt75 msc in hydrogeological engineering full time.
Consider a steady fully developed flow in a prismatic pipe. Agricultural and irrigation engineering machine design. Ans 02 mark vii state the concept of cavitation in turbine. 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. As with many fluid mechanics problems, the first order of business is to determine the reynolds number of the flow. 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. Drag is the force acting on an object in the direction of upstream velocity it is due to pressure and shear forces over.
The coefficient can be estimated with the diagram below. Ans flow of fluid in which fluid particles have a zigzag path during flow is called turbulent flow. The diagram is plotted in the form of frictional factor verses reynolds number re curves for various value of relative roughness rk. Boundary layer theory, boundary layer equation, laminar and turbulent boundary layer and its growth over flat plate. Reynolds experiment, critical reynolds number, darcy weisbach and fanning friction factor, moody s diagram, minor losses and flow through simple. The midterm and final exams consist in solving practical fluid mechanics problems. If you have any doubts please refer to the jntu syllabus book. Friction factor, darcyweisbach friction factor, moodys diagram. For the love of physics walter lewin may 16, 2011 duration. 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. How to read a moody chart moody diagram updated on august 10, 2017.
Fluid mechanics pdf notes fm pdf notes smartzworld. Fluid mechanics the study of fluids liquids and gases. 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. Mention the range of reynolds number for laminar and turbulent flow in a. Moodys spreading draft tube 02 mark v define turbulent flow. In engineering, the moody chart or moody diagram is a graph in nondimensional form that relates the darcyweisbach friction factor f d, reynolds number re, and surface roughness for fully developed flow in a circular pipe. Fanning friction factor chart started by huigrant, feb 27 2011 07. Numerical computation, numerical estimation, numerical reasoning and. This program can calculate the pressure loss produced by pipes and accesories. Weisbachs equation pipe roughness friction factor moodys diagram major and minor losses of flow in pipes pipes in series and in parallel. Different approaches in designing the pipeline pressure drop, massvolume low, diameter of. Ce8302 syllabus fluid mechanics regulation 2017 anna. Ce6303 mechanics of fluids previous year question papers february 14, 2018 october 21, 2019 syed afrith b. Syllabus for urban engineering assistant engineering.
The fluid flow in a duct may have three characteristics denoted as laminar, turbulent. Ce8302 syllabus fluid mechanics regulation 2017 anna university free download. Pdf this technical note describes diagrams of friction factor for pipe flow that have been prepared using, mainly. Introduce the moody diagram to find friction factors. English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction. Fluid mechanics msc in petroleum engineering mfkot75 course description university of miskolc faculty of earth science and engineering. Civil engineering and surveying applications for the hp 4950 graphic calculator as part of the hp calculator archive. Moodys diagram is a graph plotted to find darcyweisbach friction factor for commercial pipe. 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. Using the moody diagram reynolds number fluid mechanics. If you assume an initial velocity, proceed as usual.
Course title fluid mechanics course code sks022 ects number of credits allocated 5 course status core. The formula is u mc c is the specific heat capacity jkg oc is the temperature in oc. Moodys diagram wall shear stress 22 l 242 l ulu hf f dg r g a r p. Unit i fluid properties and fluid statics mechanics of fluids notes. The moody chart basically for turbulent flow when solving many fluid dynamics problems, be it. This short length over which the changes taking place is called as transition zone. E civil engineering, second year 3rd semester ce6303 mechanics of fluids previous year question papers for the regulation 20. Pdf determining friction factor for di pipes by direct. Determining friction factor for di pipes by direct surface roughness measurement. Ce6303 mechanics of fluids page 3 in an internal flow through a long duct is. Steady incompressible laminar flow in a cylindrical pipe laminar flow in a. It is clear that in order to use the moody diagram we must be able to obtain values of surface roughness.
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