Recent content by seungwoo Park

Why we use enthalpy(h) instead of internal energy(u) when we consider latent heat?

So what's your solution about this problem?? I think it is okay...

Hi! Dr.D Thanks for response. I asked this question to professor He said, your solution is correct in terms of statics but we need to consider worst case when we design something(because this class is mechanical design class) I think, He want to consider worst case...

Homework Statement A hanger is fixed from the ceiling by using 4 bolts. The diameter of bolts are d=20.752mm, and load is equal to P=2kN. Determine normal stress of 4 bolts why the Pa= +300N(upwards) is? i think it should be -300N(downwards) like my solution(below). and Fa = 500 - 300 =...