The refrigerant R134a is passing through the diffuser with the inlet diameter of D1=1 inch; p1=150psi; and V1=1000 ft/s as a saturated vapor. The exit parameters are p2=400 psi, and velocity V2=0.5 ft/s. Heat transfer, Work, and Potential energy changes can be neglected.NOTE: Use English units. For the kinetic energy change do not forget dividing to (778*32.2) conversion factor to obtain Btu/lbm. From NIST tables use BTU/lbm units for the enthalpy.Determine:a.Exit temperature in F;b.Mass flow rate in lbm/s;c.Exit diameter D2 in inches.d.Determine exit temperature.

Temperature Explanation:Step 1:Step 2: Step 3: Step 4:

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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The refrigerant R134a is passing through the diffuser with the inlet diameter of D1=1 inch; p1=150psi; and V1=1000 ft/s as a saturated vapor. The exit parameters are p2=400 psi, and velocity V2=0.5 ft/s. Heat transfer, Work, and Potential energy changes can be neglected.

NOTE: Use English units. For the kinetic energy change do not forget dividing to (778*32.2) conversion factor to obtain Btu/lbm. From NIST tables use BTU/lbm units for the enthalpy.

Determine:

a.Exit temperature in F;

b.Mass flow rate in lbm/s;

c.Exit diameter D2 in inches.

d.Determine exit temperature.

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