Yennah needs saturated steam at 100C with a flowrate of 550 kg/h from an ice block using the steam generator he fabricated. At one atmosphere pressure in the generator, what should be the average heating rate (in J/s) of ice at −8.25C to produce the saturated steam? Use: Cs, ice = 2.108 kJ/kg-K fus of water = 334 kJ/kg Cs, water = 4.187 kJ/kg-K vap of water = 2,256 kJ/kg Cs, steam = 1.996 kJ/kg-K

A Stirling cycle is a thermodynamic cycle similar to the Carnot cycle and is defined by the following processes. -> 2: Isothermal expansion -> 3: isochoric cooling -> 4: isothermal heating -> 1: isochoric heating Draw a PV diagram for a Stirling cycle in which 50g of Ar (treated as an ideal gas) is isothermally expanded from 4L to 16L at a temperature of 700K. The sample is then undergoes isochoric cooling to 298K.  The sample is then isothermally compressed to 3L and finally undergoes isochoric heating back to 700K.  Label the states 1 – 4 on the graph.

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Saturated Steam ait an abseluben of 5 bar is Used 0 heat a Stream of Nitroyen- Nibroyen enters a heas exchanger 9t 0°c° und an absolute pressure of l01 bar at q rabe of loom/min: 18'is then heated 45 Constant Pressure to loa°ć- The steam Conden ses and leaves the exchanger 54°c.The specif.c enthalpy of nibrogen at the given pressure is -0:73h/mut at°ouc and e as q Saturate liquid 9o 2.19K/ol 9b lo0°C.

Air contained in a piston-cylinder assembly undergoes the power cycle shown in the figure below. 4.5 P (bar) 1.2 0 n = i 3 1.0 v (m³/kg) Isothermal process % 4 2 Assuming ideal gas behavior for the air, evaluate the thermal efficiency of the cycle. 3.75 O