Mechanical efficiency, Mechanical Engineering

The following data were obtained from a test on a single cylinder, double acting steam engine fitted with a rope brake.

Cylinder diameter 200mm Stroke 250mm Speed 5rev/min Effective diameter of brake wheel 0.75m Brake load 800kN/m2 Spring balance reading 90N Mean effective pressure 232kN/ m2 Steam consumption 3.36kg/min Specific enthalpy of steam 2514.1kJ/kg Determine:

 2 Brake power, Indicated power, Mechanical Efficiency, Indicated thermal Efficiency, Brake specific steam consumption.

Posted Date: 3/14/2013 6:43:29 AM | Location : United States

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