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Air with negligible velocity enters the impeller eye of a centrifugal compressor at 158C and 1bar. The impeller tip diameter is 0.45 m and rotates at 18,000 rpm. Find the pressure and temperature of the air at the compressor outlet. Neglect losses and assume g ¼ 1.4
an incompressible newtonian fluid flows steadily between two infinitely long concentric cylinders of radius ri and ro
an isolated chamber with rigid walls is divided into two equal compartments one containing steam at 10 bar and 370oc
a cold-drawn aisi 1018 steel bar similar to the component shown in the diagram of table a- 15-1 is subjected to an
An adiabatic constant-volume combustion chamber is filled with a mixture of air and methane; lambda (AFR/AFRs) = 1.3. The initial temperature of the mixture is 25°C, and its pressure is 1 bar. After laminar combustion from a single ignition source (a..
an otto cycle has the lowest temperature of 60degreef and the lowest p as 12psi. the highest temperature is 4040degreef
Water is used as the coolant, entering the heat sink at Tm,i 30°C and um 1.75 m/s, providing an average heat transfer coefficient of h 7590 W/m2 · K. Determine the heat transfer rate from the hot surface to the water.
A balloon filled with helium can carry 2 people each of a mass of 85 kg. the balloon materials and the carriage weigh 980 N. if the acceleration when the balloon is first released is 16.40 ft/s^2, calculate the volume of the balloon in m^3. The buoya..
Compute the total volume V displaced by the chamber - The submersible diving chamber has a total mass of 6.7 Mg including personnel, equipment, and ballast.
Consider an incompressible 2D velocity field where u =-2xy and y = x^2-y^2 in Cartesian coordinates. Is it a valid 2D flow (satisfy the continuity equation)?
Assignment on kinematic chains - Type of chain whether it is locked,constrained or unconstrained?
steam having a specific enthalpy of 160 kjkg and pressure of 1 kpa enters an adiabatic pump. upon leaving the pump the
A group of 20 students attend class in a room which measures 7m x 7m and has a 3 m ceiling height. Assume that each student occupies 0.07 m3 and gives out 400 kJ of heat per hour. Calculate the air temperature rise occurring within 15 min of the star..
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