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Hydroxymethylfurfural (HMF), also known as 5- (hydroxymethyl)furfural, is an organic compound formed by the dehydration of reducing sugars. [4][5] It is a white low-melting solid (although commercial samples are often yellow) which is highly soluble in both water and organic solvents. The molecule consists of a furan ring, containing both ...
Pages in category "Exhaust systems" The following 19 pages are in this category, out of 19 total. ... HMF Engineering; K. Kadenacy effect; M. Exhaust manifold ...
Exhaust heat management. (Redirected from Exhaust Heat Management) Exhaust heat management is the means of lessening the damaging or performance-robbing effects of internal combustion engine exhaust heat by preventing heat from escaping from the exhaust system and into the engine compartment on automobiles.
2,5-BHMF may be obtained from the reduction of the formyl group of 5-hydroxymethylfurfural (HMF). HMF is the product of acid-catalyzed dehydration of fructose. Fructose is both an isomer of and a derivative of glucose, which can be derived from the hydrolysis of cellulose. The reduction is catalyzed by nickel, copper chromite, platinum oxide ...
Expansion chambers were invented and successfully manufactured by Limbach, a German engineer, in 1938, to economize fuel in two stroke engines. Germany was running short of petrol, which was at that stage produced using coal and sewage transformation. An unexpected bonus was that the two stroke engines using tuned exhausts produced far more ...
A 4-2-1 exhaust system is a type of exhaust manifold for an engine with four cylinders per bank, such as an inline-four engine or a V8 engine. The layout of a 4-2-1 system is as follows: four pipes (primary) come off the cylinder head , and merge into two pipes (secondary), which in turn finally link up to form one collector pipe.