Boost (automotive engineering) | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-07-10

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Turbocharger


00:01:33 1 History
00:05:01 2 Turbocharging versus supercharging
00:09:17 3 Operating principle
00:12:06 3.1 Pressure increase (or boost)
00:14:11 3.2 Turbocharger lag
00:17:04 3.3 Boost threshold
00:19:05 4 Key components
00:19:45 4.1 Turbine
00:21:26 4.1.1 Twin-turbo
00:23:27 4.1.2 Twin-scroll
00:24:38 4.1.3 Variable-geometry
00:25:27 4.2 Compressor
00:27:12 4.3 Center housing/hub rotating assembly
00:28:43 5 Additional technologies commonly used in turbocharger installations
00:28:57 5.1 Intercooling
00:30:13 5.2 Top-mount (TMIC) vs. front-mount intercoolers (FMIC)
00:31:47 5.3 Water injection
00:32:08 5.4 Methanol Injection
00:32:59 5.5 Fuel-air mixture ratio
00:34:00 5.6 Wastegate
00:34:57 5.7 Anti-surge/dump/blow off valves
00:37:11 5.8 Free floating
00:37:46 6 Applications
00:37:55 6.1 Petrol-powered cars
00:39:42 6.2 Diesel-powered cars
00:40:25 6.3 Motorcycles
00:41:29 6.4 Trucks
00:41:48 6.5 Aircraft
00:49:03 6.6 Marine and land-based diesel turbochargers
00:51:15 7 Business and adoption
00:53:25 8 Safety
00:53:41 9 See also



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SUMMARY
=======
A turbocharger, colloquially known as a turbo, is a turbine-driven forced induction device that increases an internal combustion engine's efficiency and power output by forcing extra compressed air into the combustion chamber. This improvement over a naturally aspirated engine's power output is due to the fact that the compressor can force more air—and proportionately more fuel—into the combustion chamber than atmospheric pressure (and for that matter, ram air intakes) alone.
Turbochargers were originally known as turbosuperchargers when all forced induction devices were classified as superchargers. Today the term "supercharger" is typically applied only to mechanically driven forced induction devices. The key difference between a turbocharger and a conventional supercharger is that a supercharger is mechanically driven by the engine, often through a belt connected to the crankshaft, whereas a turbocharger is powered by a turbine driven by the engine's exhaust gas. Compared with a mechanically driven supercharger, turbochargers tend to be more efficient, but less responsive. Twincharger refers to an engine with both a supercharger and a turbocharger.
Turbochargers are commonly used on truck, car, train, aircraft, and construction equipment engines. They are most often used with Otto cycle and Diesel cycle internal combustion engines.