Mechanical System Design Home Work 2 PISTON DESIGN Q2: Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kW per cylinder when running at 600 r.p.m. The other avialable data is as follows: Maximum gas pressure 4.8 N/mm; Indicated mean effective pressure = 0.65 N/mm'; Mechanical efficiency 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific value of fuel (higher) = 44 x 103KJ/kg; Difference of temperatures at the centre and edges of the piston head = 200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the material of the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel = 0.4 N/mm' and allowable bearing pressure on the gudgeon pin= 17 N/mm.
Mechanical System Design Home Work 2 PISTON DESIGN Q2: Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kW per cylinder when running at 600 r.p.m. The other avialable data is as follows: Maximum gas pressure 4.8 N/mm; Indicated mean effective pressure = 0.65 N/mm'; Mechanical efficiency 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific value of fuel (higher) = 44 x 103KJ/kg; Difference of temperatures at the centre and edges of the piston head = 200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the material of the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel = 0.4 N/mm' and allowable bearing pressure on the gudgeon pin= 17 N/mm.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question
![HOME WORK 2.pdf
Mechanical System Design
Home Work 2
PISTON DESIGN
Q2: Design a cast iron trunk type piston for a single acting four stroke engine
developing 75 kW per cylinder when running at 600 r.p.m. The other avialable
data is as follows:
Maximum gas pressure = 4.8 N/mm; Indicated mean effective pressure = 0.65
N/mm'; Mechanical efficiency
consumption = 0.3 kg/BP/hr; Calorific value of fuel (higher) = 44 x 103KJ/kg;
Difference of temperatures at the centre and edges of the piston head = 200°C;
Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for
the material of the piston rings and gudgeon pin = 80 MPa; Allowable bearing
pressure on the piston barrel = 0.4 N/mm and allowable bearing pressure on
the gudgeon pin= 17 N/mm.
95%; Radius of crank
110 mm; Fuel](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd10506a6-ada5-4c42-8d64-4eecc7903103%2F72f7dbc9-7e7f-424c-93dc-33d1b3247aad%2F3w0jpbs_processed.jpeg&w=3840&q=75)
Transcribed Image Text:HOME WORK 2.pdf
Mechanical System Design
Home Work 2
PISTON DESIGN
Q2: Design a cast iron trunk type piston for a single acting four stroke engine
developing 75 kW per cylinder when running at 600 r.p.m. The other avialable
data is as follows:
Maximum gas pressure = 4.8 N/mm; Indicated mean effective pressure = 0.65
N/mm'; Mechanical efficiency
consumption = 0.3 kg/BP/hr; Calorific value of fuel (higher) = 44 x 103KJ/kg;
Difference of temperatures at the centre and edges of the piston head = 200°C;
Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for
the material of the piston rings and gudgeon pin = 80 MPa; Allowable bearing
pressure on the piston barrel = 0.4 N/mm and allowable bearing pressure on
the gudgeon pin= 17 N/mm.
95%; Radius of crank
110 mm; Fuel
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