engine operating time
121energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
122Nicolas Léonard Sadi Carnot — For the 1887–1894 president of France and nephew of Nicolas Léonard, see Marie François Sadi Carnot. Sadi Carnot Nicolas Léonard Sadi Carnot (1796 1832) in the dress uniform of a student of the École Polytechnique …
123Mitigation of aviation's environmental impact — Emissions from aviation are continuing to grow despite advances in aircraft efficiency. Currently 2% of global emissions are created by the aviation industry. Aviation has an impact on the environment due to aircraft engines emitting noise,… …
124Carburetor — Bendix Technico (Stromberg) 1 barrel downdraft carburetor model BXUV 3, with nomenclature A carburetor (American spelling), carburettor, or carburetter (Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine …
125Diesel-electric — A number of vehicles use a diesel electric powertrain for providing locomotion. A diesel electric powerplant includes a diesel engine connected to an electrical generator, creating electricity that powers electric traction motors. Before diesel… …
126Cranleigh Line — [v · d · …
127Thermodynamic temperature — is the absolute measure of temperature and is one of the principal parameters of thermodynamics. Thermodynamic temperature is an “absolute” scale because it is the measure of the fundamental property underlying temperature: its null or zero point …
128Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …
