Macmillan Learning What is the Reynolds number Re for for a fluid traveling through a pipe with a diameter of 0.51 m, and the the fluid has a dynamic viscosity of 2.7 x 10-1 Pa-s, a density of 510 kg/m³, and travels at a mean fluid velocity of 10.7 m/s? Re = 10000 The fluid through the pipe in the given scenario is turbulent. Olaminar.
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- PA Prandtl tube (Pitot-static tube with C = 1) is %3D used to measure the velocity of water. The differential manometer reading is 10 mm of liquid column with a relative density of 10. Assuming g 9.8 m/s?, the velocity of water (in m/s) is1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per -- in any direction along the surface the surface tension. 4. The value of - specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates- 6. A truck is filled with gasoline. If the container (tank) on the truck undergoes a - - is applied. - but also to specify its location on the body. then the liquid surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.Figure 0 shows the change in density of a newtonian fluid with temperature, ing/m^3.Falling spere experiments give average times of 0.2s @ 10 c and 0.23s @ 20 cUsing the equation u=K(ps-pf)tWhere K is found to be 1.34Ps=2300 kg/m3Calculate the viscosity of the fluid at 20 c and 10 c
- The laminar flow of a fluid with a constant viscosity, 4, inside a channel is governed by the following boundary value problem (strong form): d'u dp for y E (0, h) "dy dr u = 0 at y = 0 and y = h vhere u is the fluid velocity and is the pressure drop in the direction of the flow. a) Derive the weak form of the boundary value problem described above.A gas having a viscosity of 2.04 x10° kg/ms, the thermal conductivity of 0.0293 W/m °C, undergoes an isobaric non-flow heating process at a pressure of „P“ (= 95 × Reg. No.) kPa and temperature changes from 22 °C to „T“ (= 25 + Reg. No.) °C. The specific heat of the fluid is dependent on temperature and is given as C, = 1.44+82/(T+48); where T is in Celcius. During this process, its volume changes from 0.28 m/kg to 0.658 m³/kg. Sketch a schematic of the system along with the chosen system boundary and indicate the directions of various energy/mass flows. b. Show the process on the Pv diagram. Determine the amount of heat transfer during the process. d. Estimate the work done during the process. а. с. е. Calculate the changes in internal energy and enthalpy of the system.1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per --- in any direction along the surface the surface tension. 4. The value of --- specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates --- 6. A truck is filled with gasoline. Ifr the container (tank) on the truck undergoes a - , then the liquid is applied. --- but also to specify its location on the body. surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.
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- n = Xe()r -------Equation 1 where X = 1.7419 and (E/R) = -0.018 are constants for a given fluid. You are required to carry out appropriate calculations on the effect of changes in temperature given in table A by using equation 1 for Ethanol on the viscosity of a fluid. Table A NO Temperature viscocity n T°C cP 10 3 20 30 5 40 6. 50 7 60 8 70 In addition to this, calculate other constraints such as the variety of shear stress (T) and force due to fluid viscosity, when the two layers of different compressible Newtonian fluids are contained between two flat plates separated by a distance of 0.05m and fluid moving with the velocity of 2m/s in the horizontal direction. Assume the shear area between the fluid layers is 0.5m². To do this you required to explain, with examples, the effects of temperature and shear forces on Newtonian and non-Newtonian fluid. Also, explain the operation and constraints of different viscometers that quantify viscosity in fluids. 2.Topic: Heat transfer Completely solve and box the final answer. 6. Water flows at 5m/s is passed through a tube of 2.5 cm diameter, it is found to be heated from 20degC to 60degC. The heating is achieved by condensing steam on the surface of the tube and subsequently the surface temperature of the tube is maintained at 90degC. Water properties are as follows: density=995kg/m3, kinematic viscosity=.657x10-6 m2/s, Pr=4.43, k=.628W/mK, cp=4178J/kgK. What is the heat absorbed by the water?%AY |I1, 76% fTV s INTV Uo 10:21 یلیجرام 2.pdf Q1 1. How can recognize an extensive or intensive properties such as density, colour of gold, Volume of water in a graduated cylinder. 2. Drive the relation 1-x = Vavg - 3. A glycerin pump is powered by a 5-kW electric motor. The pressure differential between the outlet and the inlet of the pump at full load is measured to be 211 kPa. If the flow rate through the pump is 18 L/s and the changes in elevation and the flow velocity across the pump are negligible, the overall efficiency of the pump is (a) 69 percent (b) 72 percent (c) 76 percent (d) 79 percent (e) 82 percent. Q2 1. While solving a problem, a person ended up with the following equation at some stage: E 25 kJ +7 kJ/kg where E is the total energy and has the unit of kilojoules. Determine how to correct the error and discuss what may have caused it. 2. Define isolated system, specific gravity and thermal equilibrium. 3. Initially P-400 kPa and T-400 °C, as shown in FigQ2-1. What is…