indicated horsepower

American  

noun

1. the horsepower of a reciprocating engine as shown by an indicator record. ihp, IHP

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indicated horsepower British  

noun

1. the power output of a piston engine calculated from the mean effective pressure in the cylinder as derived from an indicator diagram and the speed of the engine in revolutions per minute

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Etymology

Origin of indicated horsepower

First recorded in 1870–75

Example Sentences

See Examples For:

indicated horsepower

The indicated horsepower of the "Titanic" was 50,000, developed in two reciprocating engines driving two wing propellers and a single turbine driving a central propeller.

From Scientific American ● Apr. 11, 2012

The delivered horsepower divided by the indicated horsepower gives the mechanical efficiency.

From Steam Engines Machinery's Reference Series, Number 70 by Anonymous

Substituting these values for A and P in the formula, together with the length of stroke and average number of revolutions per minute, the indicated horsepower is easily computed.

From Steam Engines Machinery's Reference Series, Number 70 by Anonymous

The steam consumption is commonly called the water rate, and is expressed in pounds of dry steam required per indicated horsepower per hour.

From Steam Engines Machinery's Reference Series, Number 70 by Anonymous

The result in this case is a reduction in the quantity of steam required to develop the same indicated horsepower.

From Steam Engines Machinery's Reference Series, Number 70 by Anonymous