reverse flow

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• Reverse-flow cylinder head — A reverse flow or non crossflow cylinder head is one that locates the intake and exhaust ports on the same side of the engine. The gases can be thought to enter the cylinder head and then change direction in order to exit the head. This is in… …   Wikipedia

• reverse-flow combustion chamber — A type of combustion chamber in which the airflow is reverse to the general airflow. This is to keep the shaft length as short as possible. This is rarely used these days. See reverse flow–type turbofan engine …   Aviation dictionary

• reverse flow–type turbofan engine — A turbofan engine in which the airflow is forward and parallel to the axis of the rotor instead of moving backward …   Aviation dictionary

• reverse-flow scavenging — A scavenging system for two stroke engines in which a cylinder has two pairs of transfer ports, at the front and rear respectively, with two exhaust ports located on either side of the two pairs of transfer ports; the incoming streams of mixture… …   Dictionary of automotive terms

• Reverse takeover — (reverse IPO) is the acquisition of a public company by a private company to bypass the lengthy and complex process of going public. The transaction typically requires reorganization of capitalization of the acquiring company.ProcessIn a reverse… …   Wikipedia

• Reverse logistics — stands for all operations related to the reuse of products and materials. It is the process of planning, implementing, and controlling the efficient, cost effective flow of raw materials, in process inventory, finished goods and related… …   Wikipedia

• Reverse echo — or reverb, also known as backwards echo, is a slightly unusual sound effect created as the result of recording an echo or delayed signal of an audio recording whilst being played backwards. The original recording is then played forwards… …   Wikipedia

• Reverse path forwarding — (RPF) is a technique used in modern routers for the purposes of ensuring loop free forwarding of multicast packets in multicast routing and to help prevent IP address spoofing in unicast routing. Contents 1 Multicast RPF 2 Unicast RPF (uRPF) 2.1 …   Wikipedia

• Reverse-biased — usually refers to how a diode is used in a circuit. If a diode is reverse biased, the voltage at the cathode is higher than that at the anode. Therefore, no current will flow until the diode breaks down. This effect is used to one s advantage in… …   Wikipedia

• Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …   Wikipedia

• Reverse (American football) — A reverse (sometimes referred to as an end reverse) is a relatively common trick play in American football that involves one or more abrupt changes in the lateral flow of a rushing play. Contents 1 Variations 2 Terminology 3 References and… …   Wikipedia