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In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.
In a reciprocating engine, the use of water injection, also called anti-detonation injection or ADI, is used to prevent engine knocking also known as "detonation". [3] Commonly found on large radial engines with pressure carburetors, it is a mixture of water and alcohol injected into the carburetor at high power settings.
The X-ray file room after the fire. The Cleveland Clinic is a non-profit Ohio corporation, founded in 1921 by four physicians. On May 15, 1929, which was a Wednesday, the four-story Clinic building on Euclid Avenue was bustling with physicians, nurses, employees and patients, busy with the work of the Clinic's medical-surgical practice.
A blast injury is a complex type of physical trauma resulting from direct or indirect exposure to an explosion. [1] Blast injuries occur with the detonation of high-order explosives as well as the deflagration of low order explosives. These injuries are compounded when the explosion occurs in a confined space.
The Cleveland Division of Fire provides fire protection and works with Cleveland EMS to provide emergency medical service to the city of Cleveland, [3] Ohio. [4] The department, which was founded in April 1863, is responsible for 82 square miles (210 km 2 ) with a population of over 390,000 people.
The Mayo Clinic diet, a program that adheres to this notion, was developed by medical professionals based on scientific research, so you can trust that this program is based on science, and not ...
The phenomenon is exploited in pulse detonation engines, because a detonation produces a more efficient combustion of the reactants than a deflagration does, i.e. giving a higher yields. Such engines typically employ a Shchelkin spiral in the combustion chamber to facilitate the deflagration to detonation transition. [2] [3]
Lines stretched out of the McDonald's parking lot near Cleveland Mall and down the road. Before Chick-fil-A opened in the mall at 11:30 a.m., people were crowded in the restaurant and waiting in line.