engine cycle life
41Newcomen steam engine — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) The atmospheric engine invented by Thomas Newcomen in 1712, today referred to as a Newcomen steam engine (or… …
42Motorcycle engine — A Honda Super Cub engine. The most popular motorcycle in history, with over 60 million produced …
43Gas engine — This article is about engines that use gaseous fuel. For gasoline engines, see Petrol engine. For other uses, see Internal combustion engine. Model of an S type Hartop Gas Engine. A gas engine means an engine running on a gas, such as coal gas,… …
44Organic Rankine Cycle — Thermodynamics …
45Difference engine — For the novel by William Gibson and Bruce Sterling, see The Difference Engine. The London Science Museum s difference engine, built from Babbage s design. The design has the same precision on all columns, but when calculating converging… …
46Rotary engine — The rotary engine was an early type of internal combustion aircraft engine in which the crankshaft remains stationary and the entire cylinder block revolves around it. The design was used mostly in the years shortly before and during World War I… …
47Business cycle — Economics …
48Rankine cycle — The Rankine cycle is a thermodynamic cycle which converts heat into work. The heat is supplied externally to a closed loop, which usually uses water as the working fluid. This cycle generates about 80% of all electric power used throughout the… …
49Solar cycle — The solar cycle, or the solar magnetic activity cycle, is the main source of periodic variation of all solar phenomena driving variations in space weather. [ [http://www7.nationalacademies.org/ssb/SSB Space weather97.pdf Space Weather: A Research …
50Deep cycle battery — traffic signal A deep cycle battery is an lead acid battery designed to be regularly deeply discharged using most of its capacity. In contrast, starter batteries (e.g. most automotive batteries) are designed to deliver short, high current bursts… …
