Acooling system load is 96,000 btuh sensible. how much chilled air is required to satisfy the load if the system is designed for a 20°f temperature rise? how much flow is required for 15°f rise?

For - 5.556 lb/s

For - 7.4047 lb/s

Solution:

As per the question:

System Load = 96000 Btuh

Temperature, T =

Temperature rise, T' =

Now,

The system load is taken to be at constant pressure, then:

Specific heat of air,

Now, for a rise of in temeprature:

Now, for :

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.