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For the pitot-static pressure arrangement of Fig. P6.136, the manometer fluid is (colored) water at 20°C. Estimate
(a) the centerline velocity,
(b) the pipe volume flow, and
(c) the (smooth) wall shear stress.
fully developed laminar flow occurs in a pipe line. the fluid in the pipeline has a dunamic viscosity of 0.08 nsm2 and
nitrogen n2 initially occupying 0.1 m3 at 6 bar 2478c undergoes an internally reversible expansion during which pv 1.20
(a) Construct a decision tree.(b) Determine the best strategy using expected monetary value (EMV).(c) What is the expected value of perfect information(EVPI)?
For the system shown below. Note that there is a circulation flow from Tank 2 to Tank 1 at a flow rate of qm = (alpha)qo.a. Develop a model of the two liquid tanks in the system below. The inflow rate is given by qmi(t).
Calculate the average mass transfer convection coefficient hm for the evaporation process. Calculate the average heat transfer convection coefficient h. Do the values of hm and h satisfy the heat-mass analogy?
determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
how much work must be done by a carnot refrigerator to transfer 1.0 j as heat a from a reservoir at 1.1degc to one at
The yearly average solar flux incident on a horizontal surface in the United States is about 180 W/m2. The average total energy demand in the United States is approximately 100 quads (100 × 1018 ) per year. Assuming an average efficiency of PV cells ..
the slider p can be moved by means of the string s while the slotted arm rotates about point o. the angular position
while trapped in a cylinder 2.27 kg of air is compressed isothermally with a water jacket being used around the
The barometric pressure is reported to be 605.5 torr and the temperature of the water is 22.5 c what is the pressure of dry hydrogen gas in the eudiometer? How is the mass of the gas filling the Erlenmeyer determined?
a gasoline engine receives air at 10 0c 100 kpa having compression ratio of 91 bynbspvolume. the heat addition by
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