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A large plate of a titanium-aluminum-vanadium alloy (Ti-6Al-4V) is at room temperature. Estimate the maximum length of an internal crack (in mm) that can be accommodated without fracturing the plate, if it is loaded in tension to 35% of the yield strength.
the u velocity component of a steady two dimensional incompressible flow field is u 4x 3y 1. velocity component v is
Consider a NACA 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. Calculate cl and cmc/4 When the geometric angle of attack is 4 degrees, what is the section lift coefficient? Where is the center of pressure?
nitrogen with a mass of 4.4 lb is contained in a closed rigid tank at 27 degree c. work and heat are transferred to the
a solid circular bar of aluminium fits inside a tube of copper with outside diameter of 50mm amp 45mm as inside
Geometric angle of attack, The Piper Cherokee has a wing area of 170 ft2 and a wing span of 32 ft. Its maximum gross weight is 2450 lbs. The wing uses a NACA 65-415 airfoil, which has a lift slope of 0.10331deg^-1 and alpha(L=0)= -3.0deg. Assume th..
the acceleration of a particle is defined by the relation akt2. a knowing that v-8fts when t0 and that v 8fts when t2s
helium gas in an ideal otto cycle is compressed from 12degc and 2 l to 0.25 l and its temperature increases by an
a mountain climber determines his altitude using atmospheric pressure and temperature measurement data. he uses a
Calculate the maximum bending stress at mid-span, and, for the same section, locate the neutral axis. Neglect the weight of the beam
a uniform rod ab of length 3m and mass 20kg is suspended with its end b against a vertical wall while its end a is
The piston is then move in,and heat is rejected bt the air reversibly at constant pressure until the volume is the same as it was initially.Calculate the net heat flow and the overall change of entropy.sketch the process of p-V and T-s diagram.
ater is the working fluid in a regenerative rankine cycle. the pressure andnbsptemperature at the turbine inlet are
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