The mass flow of air as it flows through the circular duct is defined by the equation below where p = density. V = velocity. A = cross-sectional area of the duct. Use dimensional homogeneity to determine the appropriate unit for mass flow? * m = pVA V = 9.8 fps d = 16" Pair = 0.0019 slug/ft3
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- PROBLEM 3: An in-line flow nozzle is to be used to measure the flow of ethyl alcohol (v = 1.52 x 10-6 m²/s; p = 789 kg/m³) through a 50 mm diameter pipe inline. The nozzle diameter is 28 mm, and the pressure drop across the nozzle is 4,000 Pa. a. Determine the volumetric flow rate. b. Determine the average velocity of the fluid. c. Determine the mass flow rate.1. Determine whether the flow is turbulent or laminar if a fluid flows at 0.001m³/s through a 100mm diameter pipe. FLUID Kinematic Viscosity, v (m²/s) a. Hydrogen 1.08x10^-4 b. Air 1.51x10^-5 C. Carbon dioxide 0.804x10^-5 d. Kerosene 2.39x10^-4 е. water 1.00x10^-6A two-dimensional flow field for a liquid is defined by V[(z+2y³)i + (2x-3y)j m/s, where z and y are in meters Part A Determine the magnitude of the velocity of a particle located at (-2 m, 1.2 m) Express your answer to three significant figures and include the appropriate units. V= Submit Part B Request Answer Determine the direction of the velocity of a particle located at (-2 m. 1.2 m). Measure the angle counterclockwise from the positive z axis. Express your answer in degrees to three significant figures. 0- Submit Request Answer
- A fluid with a specific gravity of 0.8 flows into the atmosphere from a nozzle and strikes a vertical plate as shown in the figure below. A horizontal force of 699N is required to hold the plate in place. Determine the reading on the pressure gage, in units of KPa. Assume the flow to be incompressible and frictionless. 다 F Area = 0.003 m² Area = 0.01 m² 0.257 Correct Answer: 106.05Consider the velocity field, V(x, y) = xy² î – x²y} where lengths are in meters and time is in seconds. a. What is the acceleration of the fluid particle at (x,y) = (2,1)? b. Is the flow steady? c. Is the flow uniform? d. Is the flow incompressible? e. Is the flow irrotational?Situation 22. For the built-up shape shown in the figure, determine: В. bf — 200 тт tf 12 тm h = 200 mm tw 3 10 тт
- An orifice (area = 0.035 ft^2) is placed at the bottom of a cylindrical (diam = 5.93 ft) container. Determine the time (minutes) required for the head to fall from 4.99 ft to 2.35 ft. Use Cc = 0.67, Cv = 0.93. Round of to two decimal places.Can you follow the instruction given: Determine the specific weight on each liquid by using the concept of P2 = P1+γh. Start with the upper most reader (Elevation 2m) since its P1 is zero. Repeat this until you reach the third elevation. Get the average of the three (3) specific weights. Divide this into the specific weight of water. Take this as your Specific Gravity for Fluid A. Gravity= 9.8 m/s2 The atmosphere is off in the simulation. These are the sample data given:1.2. A force balance in a particular fluid flow is combined with Newton's second law to yield the equation d z dz +bz =c +a- dt dt? where p, z, and t are dimensional variables with the following dimensions: p ML , z [L], and t [T]. (a) Determine the dimensions of the system parameters a, b, and c. (b) If standard SI units are to be used in the given equation and values of p, z, and t are provided in g/cm°, mm, and h, respectively, what conversion factors must be applied to these variables before they are used in the equation?
- A 82.5g of iron shot is added to graduated cylinder containing 45.5cm'of water. The water rises to the 49.1cm2, calculate the density of iron? 49.10 cm3 45.50 cm3 O 7.9 kg/cm^3 all answers are correct. 7.9 g/cm^3 32 kg/cm^3 O all answers are incorrect. O 7.9 ml/cm^3 22.9 g/cm^31. Solve the specific gravity of Fluid 2 (SG2) that will make the gage pressure of Air equal to 40kPa. Air 40 cm SG2 22 cm SG, = 13.55A cylindrical container whose weight is litet Ibf is inverted and pressed into the water, as shown in the given figure. Determine the differential height h of the manometer and the force F needed to hold the container at the position shown. (specific weight of water is 62.22 lbf/ft³). 21.55 Manometer Air fluid S.G. = 2.1 d= 9.84 in 7.87 in -hwter Water W = Far %3D