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1926 – Erwin Madelung relates quantum mechanics with hydrodynamics through his quantum hydrodynamics equations, known as Madelung equations. 1932 – The concept of quantum of sound is introduced by Igor Tamm. 1937 – Superfluidity is discovered in helium-4 by Pyotr Kapitsa [55] and independently by John F. Allen and Don Misener. [56]
The only known example of a Barker hydraulic turbine, the earliest practical reaction type. 1853 Ponce: Puerto Rico: United States ASME brochure: 178: 1994 Boeing 367-80. Prototype of the Boeing 707 and most jet transport systems, establishing economic feasibility of commercial air travel. 1954 Fairfax County: Virginia United States
A riding mechanic was a mechanic that rode along with a race car during races, and who was tasked with maintaining, monitoring, and repairing the car during the race. The various duties included manually pumping oil and fuel, checking tire wear, observing gauges, and even massaging the driver's hands. [ 1 ]
The history of fluid mechanics is a fundamental strand of the history of physics and engineering. The study of the movement of fluids (liquids and gases) and the forces that act upon them dates back to pre-history.
Duesenberg Automobile & Motors Company, Inc. was an American racing and luxury automobile manufacturer founded in Indianapolis, Indiana, by brothers Fred and August Duesenberg in 1920. The company is known for popularizing the straight-eight engine and four-wheel hydraulic brakes.
A simple open center hydraulic circuit. An excavator; main hydraulics: Boom cylinders, swing drive, cooler fan, and trackdrive Fundamental features of using hydraulics compared to mechanics for force and torque increase/decrease in a transmission. Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a ...
Hydraulic Flood Retention Basin (HFRB) View from Church Span Bridge, Bern, Switzerland Riprap lining a lake shore. Hydraulic engineering as a sub-discipline of civil engineering is concerned with the flow and conveyance of fluids, principally water and sewage. One feature of these systems is the extensive use of gravity as the motive force to ...
Richard Dudgeon (1819, Tain – 9 April 1895, New York City) [1] was a mechanic, noted for his inventions of the hydraulic jack and steam carriage. Born in Scotland, [ 2 ] he emigrated as a boy with his family to the United States, where he became a mechanic in New York.