• Cal Calcul culate ate the availa available ble ener energy gy in BTU/lb for a Carnot cycle with a source temperature of 3460R, a sink temperature 520R. AE = 85 Btu/lb Reduction AE = 11.5 Btu/lb
• Cal Calcul culate ate the availa available ble ener energy gy in BTU/lb for a Carnot cycle with a source temperature of 3460R, a sink temperature 520R. AE = 85 Btu/lb Reduction AE = 11.5 Btu/lb
• The hea heatt losse lossess from from a group group of compartment have been determined to be 420,000 Btu/hr. Mass of air circulated = 55,260 lb/hr Capacity of Preheating coil = 735,000 Btu/hr Capacity of Reheating Coil = 690,750 Btu/hr Humidification = 308 lb/hr
• For an air conditioning system such as that described in this article and illustrated in FIGURE… Mass of air circulated = 27,000 lb/hr Capacity of Refrigeration = 33.6 tons
• In an ideal Brayton Cycle. For maximum network. Net work = 118.9 Btu/lb Eff = 49% Eff = 53.9% (Pressure ratio is increase to 15)
• A split shaft gas turbine Comp Eff = 82% Power Turbine Isentrofic Eff = 70.4% Compressor Turbine Power Output = 45,980Hp Thermal Eff = 23.4%
A split shaft gas turbine (AIR TABLES) Comp Eff = 80% Power Turbine Isentrofic Eff = 93.4% Compressor Turbine Power Output = 33,300Hp Thermal Eff = 29.6%
Turbojet engine is equipped with a 12 stage, axial flow compressor …
Trust Force = 5825 lb Propulsive eff = 51.3% Thermal Eff = 55.8% Trust force = 8860 lbs (Nozzle inlet temp is 2500R
A Rankine steam power cycle
Net work = 543.1 Btu/lb Turbine Work = 545.4 Btu/lb Thermal eff = 39.2%
A geared turbine propulsion unit Estimated Mech loss = 475hp Mech eff = 90.9% Shaft Engine eff = 64.1% Internal Engine eff = 70.5%
In a simple impulse stage Bucket work = 19,610 ft-lb , 25.2 Btu/lb Power developed in the Buckets = 59.4 hp Available Energy = 22,360 ft-lb/lb , 28.74 Btu/lb Eff = 87.7%
The first stage of a 50% reaction groups receives steam.. Stage work = 8.69 Btu/lb Combined blade eff = 86.9%
• A typical furnace side wall, diatomaceous earth..
Temperature at Interference = 1500 F
A high temperature steam line is covered with two successive layers of insulation.. thicknes of asbestos 1-1/2in ,1 in thickness of magnesia.
U = 0.1659 Btu/lb-ft^2 F (External Area) Heatloss = 46,516 Btu/lb
A propulsion turbine receives steam
Work Done = 481.5 Btu/lb Power Developed = 18,920 Hp
To illustrate the effect of tip leakage. Stage work = 8.26 Btu/lb Stage eff = 82.6% Leakage reheat = 0.43 Btu/lb Actual Enthalpy Entering = 1260.6 Btu/lb
The internal diameter of a boiler generating tube..
Over all coef = 24.69 Btu/lb-ft^2 F (CLEAN TUBE) Over all coef= 9.18 Btu/lb-ft^2 F (Tube and Scale) External tube surface temp before and after = 1534F
Steam condenser with a net heat transfer area 609 Btu/lb-ft^2 F
A Split shaft gas turbine has its power unit receiving
Isentropic turbine outlet temp = 1194 F Isentropic Turbine work = 106 Btu/lb Actual Turbine work = 92.9 Btu/lb Isentropic turbine eff = 87.7% Turbine internal power = 18,400 hp
A Split shaft gas turbine has its power turbine supplied
Power turbine eff = 74.5% Compressed air temp leaving the regenerator = 780F Regenerator Effectiveness = 66.7%
