Sentence examples for dynamometer from inspiring English sources
noun
Any of various devices used to measure mechanical power, force, or torque.
A paper just published in the Lancet, by Darryl Leong of McMaster University in Canada, reports that a simple way to assess how likely someone is to die in the next few years is to test the strength of his grip.Using a hand-held device called a dynamometer, Dr Leong and a team of collaborators across the world tested the grips of 140,000 people aged between 35 and 70 in 17 countries.
But nowadays the EPA's five dynamometer tests take many of those real-world conditions into account.
The dynamometer simulates the stop-go traffic of city driving, steady speeds of highway motoring, as well as rapid acceleration and braking with speeds up to 80mph that most motorists do at one time or another.
The three quantities are evaluated with a dynamometer, a laboratory device that applies a controllable load in the form of resistance to the turning of the crankshaft and also measures the torque exerted at the shaft coupling.
This power loss, called the friction horsepower, can be evaluated by "motoring" the engine (driving it in a forward direction) with a suitable dynamometer when no fuel is being burned.
The resistance imposed by a dynamometer may be adjusted so that the desired engine speed is established at any throttle position.
Dynamometers are cheap, and can be used with minimal training.
The test rig is designed with an overall output of more than 800 horsepower, so the dynamometers can generate sufficient force to mimic extreme acceleration or braking conditions.
In filing the lawsuit, the Greater New York State Auto Dealers Association said that cars spewing pollutants were not being weeded out at any greater rate by the new machines, known as dynamometers, because the machines had so many problems.
But both the dealers and the repair shops that use the dynamometers, as well as the gas station owners, say they do not work properly.
Today, it is an anachronism, producing a modest 215 BHP (160 kilowatts) on a dynamometer a paltry 170 BHP per ton of vehicle weight.
