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A uniflow engine is a piston engine where gas flow through the cylinder proceeds in a single unidirectional flow, without reversals between strokes. This gives thermodynamic advantages as each group of ports can stabilise at an equilibrium temperature , rather than being alternately heated and cooled.
Schematic animation of a uniflow steam engine. The poppet valves are controlled by the rotating camshaft at the top. High pressure steam enters, red, and exhausts, yellow. The uniflow type of steam engine uses steam that flows in one direction only in each half of the cylinder.
Diagram of uniflow scavenging. Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air–fuel mixture (or fresh air, in the case of direct-injection engines) for the next cycle. If scavenging is incomplete, the remaining exhaust gases can cause improper combustion for the next ...
English: Cutaway schematic of a uniflow diesel engine. On the left is a Roots-type lobe blower, which provides positive pressure downstream (to the right) into an air chamber which surrounds the engine cylinder.
Animated diagram of Deltic engine Cylinder firing order of the 18 cylinder Napier Deltic diesel engine: The grid represents triangular cylinder arrangement (banks A, B, C) and rows 1 to 6 The Napier Deltic engine is a British opposed-piston valveless , supercharged uniflow scavenged , two-stroke diesel engine used in marine and locomotive ...
Animation of the Atkinson differential engine 1932 Junkers Jumo 205 diesel aircraft engine. One of the first opposed-piston engines was the 1882 Atkinson differential engine, [7] which has a power stroke on every rotation of the crankshaft (compared with every second rotation for the contemporary Otto cycle engine), but it was not a commercial success.
Electro-Motive Diesel, uniflow diesel engines for marine, railway and stationary applications; Fairbanks-Morse, opposed-piston diesel engines for marine and stationary applications. An upscaled unlicensed copy of the Junkers Jumo 205 aero engine. Foden, FD series of diesel engines for commercial vehicle, marine and industrial power.
Uniflow diesel engine; Uniflow steam engine; UniFLOW Output Manager (Printing software) This page was last edited on 3 July 2021, at 23:28 (UTC). Text is ...