The Wrtsil RT-flex96C is a turbocharged, TWO-STROKEreciprocating Diesel engine designed to power large container shipsand is the
Question:
The Wärtsilä RT-flex96C is a turbocharged, TWO-STROKEreciprocating Diesel engine designed to power large container shipsand is the world\'s largest engine. Built in the Aioi Works ofJapan\'s Diesel United, Ltd, it has a length of 27 metres (88 ft 7in), is 13.5 metres (44 ft 4 in) high and weighs over 2,300 tonnes.Following are few technical details of this engine
Parameter | Value |
---|---|
Number of Cylinders | 14 |
Stroke & Bore of each cylinder | 960mm & 2500mm |
Max Power output(kW) | 80,080@120RPM |
Compression Ratio | Not Available |
Mean effective Pressure (MPa) | 1.96 |
Fuel calorific value (kJ/kg) | 44.800 |
The actual compression ratio and cut-off ratio used by themanufacturer are not available. You are free to select a suitablecompression ratio in the range: 18 to 22. If required, cut-offratio may be selected in the range 2.5 to 3.5. Intake air pressure= 125kPa and Intake air temperature = 325K. Use air standard DieselCycle Model and carry out following calculations: 1. Pressure,volume and temperature at all points. 2. Efficiency of this cycle.3. Mass flow rate and temperature of total exhaust gas delivered bythis engine.
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen