Two infinite extent current sheets exist at z = −3.0 m and at z = +3.0 m. The top sheet has a uniform current
density K~ = 3.0ˆy A/m and the bottom one has K~ = −3.0ˆy A/m.
Find H~ at
(a) (0, 0, 4 m),
(b) (0, 0, 0 m),
(c) (0, 0, −4 m).

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.

Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg

What is the main objective of using reheat rankine cycle?