The net work of the cycle is defined by the difference between the turbine work and the pump work: If the pump work is neglected, the net work of the cycle reduces to: Then the thermal efficiency of this system is defined by the rate between the net work and heat transfer from the boiler: Air-Fuel ratio and Air Excess.
At The Airport Valet, we believe that you should only tip commensurate with the service you receive. That said, currently the average tip is $3.00 - $5.00 on both departure and arrival. However, daily our valetsâ tips do range from as low as $1.00 to as high as $30.00.
Detroit Metro Airport Parking. Our drive up rates start at $11/day and online reservations start at just $10/day. Save $1/day when you make your DTW Airport parking reservation through our U.S. Park website. Not only does reserving your parking space through our website guarantee that you have a spot, it gives you the security of a confirmed reservation.