Determine whether the following equations are dimensionally homogeneous. h = gt? h represents a length, g is an acceleration, and t is a time. [h] = M^ L^ [gt°] = M LA
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- If the given Pi is 3.14159 Capillary tube: radius = 0.02 cm; length = 9 cm; pressure = 0.7 mmHg Liquid sample: density = 4 ml; time of flow = 4.5 seconds What is the pressure in MKS unit and CGS unit? What is its viscosity? If the weight is 8.5 g, what is its density? What is its kinematic viscosity? What is its fluidity?The sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. If the pressure gauge gives a reading of 19 kPa, what is the absolute pressure in pipe B?Please find the Grashof classification and the Barker classification of the two four-bars: (NOTE: distances are in non-dimensional units. Can use inches or cm) P1) L1=d=4, theta1=0 degrees, L2=a=1.6, theta2=60 degrees, L3=b=5.5, L4=c=4.5 P1) L1=d=2.5, theta1=0 degrees, L2=a=2, theta2=45 degrees, L3=b=1.5, L4=c=1.5 Please also draw the four-bars to estimate the unknown angles theta3 and theta4.
- #01: Explain the following terms in your own words. a) Aerodynamics. b) Mach Number. c) Sub-Sonic. d) Angle of Attack. e) Thrust. f) Chord Line. g) Drag Coefficient. h) Pitch Moment. i) Wind Tunnel. j) Skin Drag.Write the primary dimensions of each of the following variables, showing all your work: (a) specific heat at constant pressure cp; (b) specific weight ? g; (c) specific enthalpy h.Fluid mechanics theory The power input P to a centrifugal pump is a function of the volume flow Q, impeller diameter D, rotational rate ω, and the density ρ and viscosity μ of the fluid. Determine the three dimensionless numbers. Use M, L, T as your primary dimensions and ω, ρ and D as repeatingvariables.
- volumetric strain rate as the rate of increase of volume of a fluid element per unit volume. In Cartesian coordinates we write the volumetric strain rate as 1/ V DV/Dt = ∂u/∂x + ∂?/∂y + ∂w/∂zWrite the primary dimensions of each additive term, and verify that the equation is dimensionally homogeneous. Show all your work.Consider the following equation. All three of the terms in parentheses are dimensionless groups. Because kC is difficult to determine directly, the other variables are measured and kC is calculated from the given equation. What is the estimated value of kC? What are the units of kC? Show your work. The following values were measured: D = 8.0 mm, DAB = 0.475 cm2/s, μ = 1.12 x 10–3 N-s/m2, ρ = 1.00 x 10–3 g/cm3, v = 15.0 m/s. Note: Given Equation attached below1. A lead cube has a total mass of 64 kg. What is the Length of its side in cm? specific gravity of lead = 7.27. 2. If the viscosity of water at 70 degrees celsius is 0.0077 poise and its specific gravity is 0.453, determine its kinematic viscosity in stokes.
- 1. A NASA Learjet has a section of one wing instrumented with devices capable of measuring temperature and pressure at discrete points on the wing. If at one of these points, the instruments measure pressure = 10 psi and temperature = -20°F, what is the density of the air at that point?The lift force F on a missile is a function of its length L ,velocity V , diameter D , angle of attack α , density ρ , viscosityμ , and speed of sound a of the air. Write out the dimensionalmatrix of this function and determine its rank. Rewrite thefunction in terms of pi groups.The sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. From the given data, calculate the pressure difference between the two pipes.