Engineering, 08.10.2020 14:01 cuki96
Consider a hypothetical X+ξYβ ion pair for which the equilibrium interionic spacing and bonding energy values are 0.38 nm and β5.37 eV, respectively. If it is known that n in Equation 2.17 has a value of 8, using the results of Problem 2.18, determine explicit expressions for attractive and repulsive energies EA and ER of Equations 2.9 and 2.11.
En = -A/r + B/(r^n)
Calculate the bonding energy Eo in terms of the parameters A, B and n.
Answers: 3
Engineering, 04.07.2019 18:10
Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
Answers: 1
Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 Β°c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Engineering, 04.07.2019 19:10
When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?
Answers: 2
Consider a hypothetical X+ξYβ ion pair for which the equilibrium interionic spacing and bonding ener...
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