terial of piston rings Grey cast ird wable tensile stress = wable radial pressure on cvlinder = 0.03 MPa ckness of piston head = 42 mm mher of piston rings = 4 culate: radial width of the piston rings: axial thickness of the piston rings: gap between the free ends of the 100 N/mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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The following data is given for the
piston of a four-stroke diesel engine:
Cylinder bore
Material of piston rings
Allowable tensile stress = 100 N/mm
250 mm
Grev cast iron
Allowable radial pressure on cylinder wall
= 0.03 MPa
Thickness of piston head = 42 mm
Number of piston rings = 4
Calculate:
(i) radial width of the piston rings:
(ii) axial thickness of the piston rings:
(iii) gap between the free ends of the piston ring
before assembly;
(iv) gap between the free ends of the piston ring
after assembly:
(1) width of the top land:
vi) width of the ring grooves:
(vii) thickness of the piston barrel; and
(viii) thickness of the barrel at open end.
Transcribed Image Text:The following data is given for the piston of a four-stroke diesel engine: Cylinder bore Material of piston rings Allowable tensile stress = 100 N/mm 250 mm Grev cast iron Allowable radial pressure on cylinder wall = 0.03 MPa Thickness of piston head = 42 mm Number of piston rings = 4 Calculate: (i) radial width of the piston rings: (ii) axial thickness of the piston rings: (iii) gap between the free ends of the piston ring before assembly; (iv) gap between the free ends of the piston ring after assembly: (1) width of the top land: vi) width of the ring grooves: (vii) thickness of the piston barrel; and (viii) thickness of the barrel at open end.
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