Recent content by Elz

1.Is sensible heat involved in the equivalent evaporation of boiler? While studying about the equivalent evaporation of boiler I got confused about the equation. The equation says,2. E=Total heat required to evaporate feed water/2257(latent heat of water) The definition of E is the amount of...

Additional steam? I also found in a report that introducing pure oxygen to the bomb would increase the pressure in an isochoric chamber, thus ensuring that the water would be liquid. Can you please explain how it works? I mean i just want to be clear about the mechanism. Why it is done in...

1. In the bomb calorimeter used for the test the water is recondensed after it is vaporized In the bomb calorimeter we measure the HHV as the steam formed there is condensed. What I want to know is how the steam is re condensed? In the wikipedia it says In more recent calorimeter designs, the...

Thanks for the help.. :)

So 1 kg of H2 is equivalent to 9 kg of water or steam. So if our fuel has 5 kg H2 then 5X9 kg of steam will be formed. And if we condense it we will get this massX latent heat of vaporization of water=heat of steam formed during condensation. Did I get it right?

1. Why the mass of steam formed during condensation is equal to 9H2 While studying about the lower calorific value of fuel the equation is L.C.V.= H.C.V. – heat of steam formed during combustion Now here in the book they have written that, Let ms = mass of steam formed in per kg of...

Thanks a lot Chestermiller,and give my thanks to Rude Man too...

Thanks a lot... It explained everything. All my doubts are clear... :)

Thanks a lot for replying. can u please explain how ∂U/∂p|T = 0 and pdV/dt = 0 is derived?

thanks :) Thanks a lot for replying. can u please explain how ∂U/∂p|T = 0 and pdV/dt = 0 is derived?

1.While studying the thermodynamic properties of perfect gases I saw that the change in internal energy for constant volume process is mCvdT. but it is also the same for const pressure, const temp, const entropy and other reversible non-flow processes. Why is it so?? why it is not mCpdT for...