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A fan within an insulated duct delivers moist air at the duct exit at 22°C, 60% relative humidity, and a volumetric flow rate of 0.5 m3/s. At steady state, the power input to the fan is 1.3 kW. Using the psychrometric chart, determine the temperature and relative humidity at the duct inlet.
An octave is defined as a doubling of the frequency. The claim is made that a low-pass Butterworth filter of order n has a roll-off (attenuation) of 6n dB/octave. Calculate the gain in dB for a second-order filter for the cut-off frequency itself, an..
A company is trying to decide which machine to purchase based on the following information. If they all have 15 years useful life and MARR is 10%, use incremental rate of return analysis in Excel to decide which one is the best choice. Don't forge..
Combine the uniform flow, horizontal velocity, U, and Doublet of Strength, M. Find and simplify the Stream function and potential function.
An insulated Piston-Cylinder arrangement contains water. Sixty percent of the total 15 kg of water are in the vapor phase. Steam at 1 Mpa and 400 C degree is allowed to enter the cylinder from a supply line until all of the liquid in the cylinder is ..
Electrical work is employed to heat 2kg of water from 298.15 K to 373.15 K. Determine the electrical work required, and the minimum work required (e.g., by using a heat pump instead).
the flow field for and atmospheric flow is given byv -my2pi imx2pi jwhere m1 s -1 and the x and y coordinates are the
Derive an expression for lift co-efficient of a Van de Vooren Airfoil having chord length =2l,thickness parameter E and trailing angle tau. Discuss the effects of E and tau on the lift of Van De Vooren Airfoil.
axial flow coolant pump for one lop pressurized nuclear reactor has 75 m head 6m3s flow rate 1440rpm 800 mm diameter
oil enters a counterflow heat exchanger at 450k with a mass flow rate of 10 kgs and exits at 350k. a seperate stream of
two streams discharge into a pipe as shown. the flows are incompressible. the volume flow rate of stream a into the
Water flows at a velocity uoo = 1 m/s over a flat plate of length L = 0.6 m. Consider two cases, one for which the water temperature is approximately 300 K and the other for an approximate water temperature of 350 K. In the laminar and turbulent r..
during a plant visit it was noticed that a 12-m-long section of a 12-cm-diameter steam pipe is completely exposed to
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