Fluid Report 2 In the derivation of Bernoulli’s equation‚ the assumption of the inviscid and incompressible flow is used. However in the real case‚ the viscosity cannot be neglect and the density of the flow is not always constant. Thus Bernoulli’s equation is not always correct. For the lab‚ it is reasonable to assume the flow is inviscid and incompressible. Firstly‚ the pitot was placed at the center of the flow. The skin friction (effect of viscosity) is inversely proportional to distance
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MEASURING AND MODELLING HYDRAULIC FLUID DYNAMICS AT HIGH PRESSURE - ACCURATE AND SIMPLE APPROACH. International Journal Of Fluid Power‚ 13(2)‚ 51-59. ASTRACT: Dynamic properties of hydraulic fluids have to be taken into account in ever increasing fluid power applications. The main reasons are increasing accuracy demands in control and modeling‚ as well as increasing operating pressure and temperature ranges. Moreover‚ the already wide spectrum of different hydraulic fluids is also expanding all the time
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ENT 310 Fluid Mechanics Midterm #1 – Open Book and Notes Name _______________________ 1. (5 pts) The maximum pressure that can be developed for a certain fluid power cylinder is 50.0 MPa. Compute the force it can exert if its piston diameter is 100 mm. 2. (5 pts) Calculate the weight (in Newtons) of 100 liters of fuel oil if it has a mass of 900 Kg. 3. (5 pts) The fuel tank of a truck holds 0.20 cubic meters. If it is full of gasoline having a specific gravity of 0.68‚ calculate the weight
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1. Identify each of the following statements as either true or false. If false‚ explain why. (a) Viscosity is a measure of how easily a fluid flows. (b) Although important‚ fluids are not essential to many living things. (c) A meniscus forms when water particles adhere to the sides of their container. (d) Buoyancy‚ like water pressure‚ acts in all directions. 2. Describe the relationship between mass‚ volume‚ and density of matter. 3. Use the particle theory to explain the differences between
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knuckles. Learn your MATH !!! You will need to be able to work with numbers including decimals‚ fractions and both standard & metric units of measurement as well for most all aspects of automotive repair‚ including electronics. Being an automotive mechanic can be a very rewarding career if you like challenges and the sense of pride in doing the job right the first time as people’s lives may depend on the quality of your workmanship. If you decide against this as a career‚ it also pays to learn as much
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Think back to the key question. List two different fluids. How are their flow rates different? A3. Water and syrup flow rates are different because water has a high viscosity and syrup has a low viscosity rate. 7.3 Comparing Fluids (pg 157) Answer the questions below Q1. Andre and Kim have two fluids. Andre’s fluid flows much more easily than kim’s fluid.. (a) Which fluid has a faster flow rate? Andre’s (b) which fluid is more viscous? Kim’s Q2. Identify if each is
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ME 2307 – DYNAMICS LABORATORY Class : V Semester Mechanical Sections : A & B LIST OF EXPERIMENTS 1. Free Transverse Vibration – I – Determination of Natural Frequency 2. Cam Analysis – Cam Profile and Jump-speed Characteristics 3. Free Transverse Vibration – II – Determination of Natural Frequency 4. Free Vibration of Spring Mass System – Determination of Natural Frequency 5. Compound Pendulum – Determination of Radius of Gyration and Moment of Inertia 6. Bifilar Suspension – Determination
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Experiment 3: Fluid Flow Friction and Fitting Loss Objective To determine the pressure or head loss in different diameters pipes‚ joints and valves Theory Pipe flows belong to a broader class of flows‚ called internal flows‚ where the fluid is completely bounded by solid surfaces. In contrast‚ in external flows‚ such as flow over a flat plate or an airplane wing‚ only part of the flow is bounded by a solid surface. The term pipe flow is generally used to describe flow through round pipes
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Characteristics of a Good Hydraulic Fluid Viscosity Viscosity is a measure of a hydraulic fluid’s resistance to flow. It is a hydraulic fluid’s most important characteristic and has a significant impact on the operation of the system. When a hydraulic oil is too thin (low viscosity)‚ it does not seal sufficiently. This leads to leakage and wear of parts. When a hydraulic oil is too thick (high viscosity)‚ the fluid will be more difficult to pump through the system and may reduce operating
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Q2 b) Consider the velocity field V = Ax/(x²+y²)i + Ay/(x²+y²)j in the xy plane‚ where A = 10 m²/s‚ and x and y are measured in meters. i) Show this is an incompressible flow field. ii) Derive an expression for the fluid acceleration. iii) Evaluate the acceleration along the x axis‚ the y axis‚ and along a line defined by y = x. (14 marks) Question 1 ( 15 markah ) a) Define and explain briefly the following : i) velocity potential‚ f (x‚y) ( 4 markah ) ii) stream function
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