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. Fluid mechanics and machinery pdf notes fmm pdf 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. Agricultural and irrigation engineering machine design. Mohsinsiddique assistant professor 1 fluid mechanics. Ans flow of fluid in which fluid particles have a zigzag path during flow is called turbulent flow. This program can calculate the pressure loss produced by pipes and accesories. The coefficient can be estimated with the diagram below. Ce6303 mechanics of fluids previous year question papers. 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. Therefore, it is often effective to solve for this friction factor using the moody chart. Introduction to fluid mechanics and fluid machinery by s.
Remember that internal thermal energy has not been included. Unit i fluid properties and fluid statics mechanics of fluids notes. Ce8302 syllabus fluid mechanics regulation 2017 anna. Major losses, colebrookwhite equation, jain equation. It can be used to predict pressure drop or flow rate down such a pipe. Moody s diagram moodys diagram is used to compute for the friction factor in the pipe that a working fluid flows across. Fanning friction factor chart started by huigrant, feb 27 2011 07. Determining friction factor for di pipes by direct surface roughness measurement. 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. The fluid flow in a duct may have three characteristics denoted as laminar, turbulent. Syllabus for general aptitude ga common to all papers verbal ability. The moody friction factor, f, is an integral part of the general gas flow equation. Basic fluid mechanics major losses, colebrookwhite equation, jain equation, moody diagram, minor losses. English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.
How to read a moody chart moody diagram updated on august 10, 2017. Vvr 120 fluid mechanics nikuradses experiments a major contribution on determining the friction factor as a function. This is the energy a fluid possesses by virtue of its velocity. To download the notes i use for these videos, please. Be mechanical engineering be me i semester thory code title unit. 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. The total energy e t at 1 and 2 on the diagram fig. 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. Moody chart or moody diagram the engineering concepts. Numerical computation, numerical estimation, numerical reasoning and. Reynolds experiment, critical reynolds number, darcy weisbach and fanning friction factor, moody s diagram, minor losses and flow through simple. 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. These have been measured and tabulated and sometimes plotted for an extensive. Drag is the force acting on an object in the direction of upstream velocity it is due to pressure and shear forces over.
Moodys diagram is accurate to about 15% for design calculations and. Introduce the moody diagram to find friction factors. Textbooks in such areas as fluid mechanics, hy draulics, heat. 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 moodys diagram provides a direct solution for the 1st and 4th problems. A very nice moody diagram in pdfformat from glasgow college of nautical studies can be found here. Civil engineering and surveying applications for the hp 4950 graphic calculator as part of the hp calculator archive. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus.
Different approaches in designing the pipeline pressure drop, massvolume low, diameter of. Ce8302 syllabus fluid mechanics regulation 2017 anna university free download. Ce6303 mechanics of fluids previous year question papers february 14, 2018 october 21, 2019 syed afrith b. It is similar to nikuradses plot expect for the transition regions. Moodys friction factor an overview sciencedirect topics. Prove that the work done by the pump is proportional to the area of indicator diagram. Design and selection of machine elements gears, pulleys, chains and sprockets and belts. 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. Fluid mechanics basic equations flow problem equations 2. Friction factor, darcyweisbach friction factor, moodys diagram. Properties of laminar and turbulent flows laminar and turbulent flows 3.
Momentum boundary layer and its solutions, separation of boundary. Pdf ce8302 fluids mechanics fm books, lecture notes, 2. The fluid mechanics and machinery notes pdf fmm notes pdf file. Pdf determining friction factor for di pipes by direct. These notes are according to the r09 syllabus book of jntu. Fluid definition, distinction between solid and fluid. Alternatively, if you want to know what the maximum water velocity flowing in a 18 guide on how to develop a small.
If you assume an initial velocity, proceed as usual. Fluid mechanics the study of fluids liquids and gases. As with many fluid mechanics problems, the first order of business is to determine the reynolds number of the flow. Steady incompressible laminar flow in a cylindrical pipe laminar flow in a. Review of basic fluid mechanics hydromechanics vvr090 hydrostatics fluids at rest.
Syllabus for urban engineering assistant engineering. Mention the range of reynolds number for laminar and turbulent flow in a. The midterm and final exams consist in solving practical fluid mechanics problems. Moodys diagram is a graph plotted to find darcyweisbach friction factor for commercial pipe. What is moody diagram definition thermal engineering. Course title fluid mechanics course code sks022 ects number of credits allocated 5 course status core. For the love of physics walter lewin may 16, 2011 duration. 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. E civil engineering, second year 3rd semester ce6303 mechanics of fluids previous year question papers for the regulation 20. Ans 02 mark vii state the concept of cavitation in turbine. Fluid mechanics pdf notes fm pdf notes smartzworld. Fluid mechanics msc in petroleum engineering mfkot75 course description university of miskolc faculty of earth science and engineering. It is clear that in order to use the moody diagram we must be able to obtain values of surface roughness. 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.
Ce6303 mechanics of fluids page 3 in an internal flow through a long duct is. Boundary layer theory, boundary layer equation, laminar and turbulent boundary layer and its growth over flat plate. Moodys diagram wall shear stress 22 l 242 l ulu hf f dg r g a r p. The moody chart basically for turbulent flow when solving many fluid dynamics problems, be it. Civil engineering and surveying applications for the hp 48 graphic calculator as part of the hp calculator archive. The diagram is plotted in the form of frictional factor verses reynolds number re curves for various value of relative roughness rk. If you have any doubts please refer to the jntu syllabus book.
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