07:49:090.00KRS YAR ..l 49i| 67%TitleYOUR QUESTION IS:1 The crank effort diagram for an engine isgiven by T(kgfm)= 7850+1500Sin2¢ where¢ is the crank displacement. The crank hasa mean speed of 100 rpm and the resistingtoque is constant.Find (i) HP of the engine.(ii) The weight of the flywheel rim having amean radius of 4m to limit the speedfluctuation to 2%.(iii) The angular acceleration when thecrank is 30° from the dead centre....

given; ⇒torque(T (kgfm))=7850+1500sin2θ ⇒mean speed (N)=100rpm(i)⇒HP of the engine.(ii)⇒weight…

Answered: 1 The crank effort diagram for an…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A three-cylinder single acting engine has its cranks set equally at 120° and it runs at 1200 1.p.m. The torque-crank angle diagram for each cycle is a triangle for the power stroke with a maximum torque of 90 N-m at 60° from dead center of corresponding crank. The torque on the return stroke is sensibly zero. Determine: • Power developed. • Coefficient of fluctuation of speed, if the mass of the flywheel is 6 kg and has a radius of gyration of 80 mm. • Coefficient of fluctuation of energy. • Maximum angular acceleration of the flywheel.
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