Hydraulics

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Dictionary Meaning and Definition on 'Hydraulics'

Hydraulics Meaning and Definition from WordNet (r) 2.0
    hydraulics n : study of the mechanics of fluids [syn: fluid mechanics]
Hydraulics Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Hydraulics \Hy*drau"lics\, n. [Cf. F. hydraulique.] That branch of science, or of engineering, which treats of fluids in motion, especially of water, its action in rivers and canals, the works and machinery for conducting or raising it, its use as a prime mover, and the like. Note: As a science, hydraulics includes hydrodynamics, or the principles of mechanics applicable to the motion of water; as a branch of engineering, it consists in the practical application of the mechanics of fluids to the control and management of water with reference to the wants of man, including canals, waterworks, hydraulic machines, pumps, water wheels, etc. Some writers treat hydraulics and hydrostatics as subdivisions of hydrodynamics.
Hydraulics Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Mechanics \Me*chan"ics\, n. [Cf. F. m['e]canique.] That science, or branch of applied mathematics, which treats of the action of forces on bodies. Note: That part of mechanics which considers the action of forces in producing rest or equilibrium is called statics; that which relates to such action in producing motion is called dynamics. The term mechanics includes the action of forces on all bodies, whether solid, liquid, or gaseous. It is sometimes, however, and formerly was often, used distinctively of solid bodies only: The mechanics of liquid bodies is called also hydrostatics, or hydrodynamics, according as the laws of rest or of motion are considered. The mechanics of gaseous bodies is called also pneumatics. The mechanics of fluids in motion, with special reference to the methods of obtaining from them useful results, constitutes hydraulics. Animal mechanics (Physiol.), that portion of physiology which has for its object the investigation of the laws of equilibrium and motion in the animal body. The most important mechanical principle is that of the lever, the bones forming the arms of the levers, the contractile muscles the power, the joints the fulcra or points of support, while the weight of the body or of the individual limbs constitutes the weight or resistance.
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Wikipedia Meaning and Definition on 'Hydraulics'


Hydraulics is a topic in applied science and engineering dealing with the mechanical properties of liquids. Fluid mechanics provides the theoretical foundation for hydraulics, which focuses on the engineering uses of fluid properties. In fluid power, hydraulics is used for the generation, control, and transmission of power by the use of pressurized liquids. Hydraulic topics range through most science and engineering disciplines, and cover concepts such as pipe flow, dam design, fluidics and fluid control circuitry, pumps, turbines, hydropower, computational fluid dynamics, flow measurement, river channel behavior and erosion.

Free surface hydraulics is the branch of hydraulics dealing with free surface flow, such as occurring in rivers, canals, lakes, estuaries and seas. Its sub-field open channel flow studies the flow in open channels.

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Hydraulics Sample Sentences in News


  • YieldBoost Sun Hydraulics To 15.4% Using Options
    Shareholders of Sun Hydraulics Corp. (NASD: SNHY) looking to boost their income beyond the stock's 0.9% annualized dividend yield can sell the December covered call at the $40 strike and collect the premium based on the $2.40 bid, which annualizes to an additional 14.4% rate of return against the current stock price (at Stock Options Channel we call this the Y Read more on this news related to 'Hydraulics'
  • HAWE is Shaping the Way You Save Energy
    CHARLOTTE, N.C. – HAWE Hydraulics, is a leading global manufacturer and supplier of sophisticated hydraulic components and controls for the mobile, industrial, and renewable energy markets. HAWE Hydraulics is exhibiting at IMTS in Chicago, IL Sept. 8th-13th - booth 4930. The company will display a wide range of products, some of which are exceptionally well Read more on this news related to 'Hydraulics'
  • Two Year Anniversary of U.S. Operations
    On February 12th, 2014, Air Power Hydraulics Inc. celebrated the two year anniversary of their U.S. operation in Newnan, Georgia. With their parent company located in Glasgow, Scotland, they have fifty years of experience producing hydraulic cylinders, rotary actuators and hydraulic power units. Their expertise crosses such industries as offshore, subsea, defense, Read more on this news related to 'Hydraulics'

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