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However, the advent of fuel injection and electronic ignition has made most of the reverse-flow head's advantages redundant in a modern engine and as a result the design has lost its popularity. The reverse-flow head still enjoys some popularity among enthusiasts including Leyland Mini, Chrysler Slant-6, Holden and Ford Inline 6 fans. In fact ...
Reverse flow may refer to: In engine technology a reverse flow cylinder head is one that locates the intake and exhaust ports on the same side of the engine. Reverse logistics, i.e. goods/waste flowing in the distribution network having consumers as point of origin; Reverse electron flow is a mechanism in microbial metabolism
Cross-section of a Tesla valve, displaying its cavity design, from the original patent application. Streakline flow visualization at Re=200 using dye injected upstream: (a) Forward direction. Two adjacent filaments remain in the central corridor of the conduit with only small lateral deflections. (b) Reverse direction.
A crossflow head gives better performance than a Reverse-flow cylinder head (though not as good as a uniflow), but the popular explanation put forward for this — that the gases do not have to change direction and hence are moved into and out of the cylinder more efficiently — is a simplification since there is no continuous flow because of valve opening and closing.
As Keith Duckworth and Mike Costin, the co-founders of Cosworth, used to be Lotus Development Ltd employees, the initial racing adaptation of Lotus TwinCam was carried out by Cosworth, and the Kent block Cosworth SCA was designed using the basic SOHC reverse-flow cylinder head configuration of the FWE.
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The IOE design allows the use of larger valves than a sidevalve (or L-head) or overhead valve engine. [2] Its advantages over the sidevalve/flathead also include a compact combustion chamber, a well-located spark plug, and a cooling effect from the mixture swirl, [ 6 ] along with better intake mixture flow.
Uniflow scavenging is a design in which the fresh intake charge and exhaust gases flow in the same direction. This requires that the intake and exhaust ports be at opposite ends of the cylinder. As used by some two-stroke engines, the fresh charge enters through piston-controlled ports near the bottom of the cylinder and flows upward, pushing ...