Engineering, 12.03.2020 23:33 yddlex
Given a plastic sphere [k = 2.0 W/(m⋅K)] with a diameter of 2.5 cm. Heat is removed from the surface of the sphere convectively to a fluid with h = 20 W/(m2⋅K). What is the Biot number of the plastic sphere?
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Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
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Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
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Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.
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Given a plastic sphere [k = 2.0 W/(m⋅K)] with a diameter of 2.5 cm. Heat is removed from the surface...
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