دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. the pressure maintained on equipment or systems through which a fluid flows 2. in reference to engines, a term used to describe the resistance to the flowof exhaust gas through the exhaust pipe. 3. the operating pressure level measured downstream from a measuring device4.

n: a piping arrangement, immediately adjacent to the engine, that collects burned gases from the engine and channels them to the exhaust pipe.

n: on an engine, flexible steel tubing that connects the engine exhaust manifold outlet to the muffler. See muffler. exhaust port n: an opening in a cylinder wall through which exhaust gas is expelled when the exhaust port is uncovered by the piston.

n: a device installed on an engine to quiet the barking sound produced by exhaust gases exiting through the exhaust pipe of the engine. One type of mufflers is a steel cylinder with baffle plates. The baffle plates, flat steel sheets welded inside the cylindrical body of the muffler, change the direc- tion of exhaust gas flow. Changing the direction of flow allows the gases to expand gradually, rather than all at once. Gradual expansion is quieter than rapid expansion. Sometimes called an exhaust silencer.