homework no. 5 2010

homework no. 5 2010 - Homework No. 5 Due Friday July 30...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Problem 1: System Integrations: gasoline engine driven air compressor Gasoline fuel to engine, $2.60/gallon Gasoline Engine Air Compressor Air, 7 lbm/ min, 0psig 78 deg F Air, 150 psig Assumptions for Engine: Ideal Otto Cycle, cold air standard assumptions, r = 9.5 Assumptions for compressor: Adiabatic, no heat losses or gains Neg. changes in KE and PE for the air Isentropic compression Ideal gas assumption applies Find hourly cost to operate Fuel In Turbine output Heat rejection 120 kW ouput Generator Effic = 95% Elec. Generator Air Conditioned Building Heat removal from building, cooling effect, btu/ h or tons Abs. Chiller COP = 1.1 double effect LiBr/Water Absorption Chiller r p = 18 How much cooling can we do with this system (btu/h and tons)? Assume Ideal Brayton Cycle Homework No. 5 Due Friday July 30 Problem 2: System Integration Combined Heat and Power
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Diesel Engine, r = 18, r c = 1.8 Diesel, 138,000 btu/gal, $3/ gallon Condenser Evaporator
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

homework no. 5 2010 - Homework No. 5 Due Friday July 30...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online