Recent content by leon25034796

Can someone explain something to me: I believe when throttling h1=h2. When calculating enthalpy drop across a FIXED converging nozzle then kinetic energy is caluclated using the following formula: h1-h2 = v2^2/2 - v1^2/2 If the nozzle is converging then there will be an increase in kinetic...

Can somebody aid my understanding: I am re-studying thermodynamics at the moment 6 years on from when I last studied it and could do with some clarification: If at the inlet to a steam turbine the pressure is at say 150bar and 550 degrees then there will be a respective enthalpy which is a...

I'm looking for some advice: I am trying to determine the allowable stress in a lifting attachment we have had manufactured. The lifting attachment is a mild steel block that bolts to the component to be lifted with a lug to enable a shackle to be fitted; two of these blocks are then fitted to...

But I am looking for the worst case scenario and surely the two theories should give an answer approximately the same; or as in this case I haven't got two exactly comparable formulas; so as detailed below I would still expect the beam theory stress to be the most severe case?

Thanks for your responses. I also share the same copy. There is one other thing that I can't get my head around: I have treated this as a simply supported beam and calulated the stress at the centre with a point load as shown below and get 227N/mm2; this to me would be a more severe condition...

Can somebody provide some clarification: I am calculating the stress in a plate with the following dimensions: 41" long by 30" wide and the plate is 3/8" thick. The plate is simply supported along the 41" length sides, with the short lengths free. I have calculated the stress using beam theory...