Search results
Results from the WOW.Com Content Network
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed by a connecting rod and crank into rotational force for work.
According to the company, the steam engine named Quadrum generates 27% efficiency and runs with 180 °C steam at 8 bar pressure, while a corresponding steam turbine produces just 15% efficiency, requires steam temperature of 240 °C and pressure of 40 bar. The high efficiency comes from a patented crank mechanism, that gives a smooth, pulseless ...
Cyclone Power Technologies reports "Our R&D team is moving towards completion of the Mark 5 project in Quarter 1 of 2015. These engines are to be delivered to Combilift for use as a clean-burning power supply in material lift equipment." [22] February 23, 2015: Cyclone Power Technologies posts a video [23] of the Mark V engine undergoing ...
The company introduced high-pressure steam engines to the riverboat trade in the Mississippi watershed. The first high-pressure steam engine was invented in 1800 by Richard Trevithick. [44] The importance of raising steam under pressure (from a thermodynamic standpoint) is that it attains a higher temperature. Thus, any engine using high ...
Edward Pritchard was born in Caulfield, Melbourne, Australia on 28 August 1930. [1] Pritchard was 12 years old when his father explained the operation of a steam engine to him, [2] and by 14 he had worked out an infinitely variable gear device for his bicycle.
1790 (): Nathan Read invented the tubular boiler and improved cylinder, devising the high-pressure steam engine. 1791 (): Edward Bull makes a seemingly obvious design change by inverting the steam engine directly above the mine pumps, eliminating the large beam used since Newcomen's designs. About 10 of his engines are built in Cornwall.
It removes heat from the engine exhaust steam to condense it back into water. In the case of the WHE-25 engine in the previous sub-section, of the 146.5 kW of heat energy supplied in the initial steam, 10 kW was converted into electricity. That leaves 146.5 - 10 = 136.5 kW of heat energy to be removed by the condenser.
A double acting engine is an engine where steam is applied to both sides of the piston. Earlier steam engines applied steam in only one direction, allowing momentum or gravity to return the piston to its starting place, but a double acting engine uses steam to force the piston in both directions, thus increasing rotational speed and power. [50]