Hydraulic Lift Cylinder
September 3rd, 2011
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A 4X10^5 Kg block of ice is at -15 C is fully melted. How much energy was required?
Another question as well for you, a hydraulic lift has an input cylinder that is 20 cm in diameter. The need is to lift a 5×10^3 kg object with an input pressure of 30 atm. How big does the output cylinder have to be?
specific heat of ice = 0.50 c/g-degree
to get it from -15 to 0
15 * .5 * 4 * (10^8) = 3000000000 cal
to melt it
heat of fusion = 80 cal/g
(80 (cal / g)) * 4 * ((10^8) g) = 32000000000 calories
Total = 32 000 000 000 + 3 000 000 000 = 35 000 000 000 cals
eas | KW Hydraulic Lift System (HLS) Demo
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Hydraulic Cylinder by Mainyu, Eldon A. [Paperback] $66.91 Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It has many applications, notably in engineering vehicles. Hydraulic cylinders get their power from pressurized hydraulic fluid, which is typically oil. The hydraulic cylinder consists of a cylinder barrel, in which a piston connected to a piston rod moves back and forth. The barrel is closed on each end by the cylinder bottom (also called the cap end) and by the cylinder head where the piston rod comes out of the cylinder. The piston has sliding rings and seals. The piston divides the inside of the cylinder in two chambers, the bottom chamber (cap end) and the piston rod side chamber (rod end). The hydraulic pressure acts on the piston to do linear work and motion. Author: Mainyu, Eldon A. Binding Type: Paperback Number of Pages: 56 Publication Date: 2011/05/12 Language: English Dimensions: 9.00 x 6.00 x 0.13 inches |
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Clinton Soft Curve Hydraulic Lift Table, Gray $666.64 Features of the Clinton Soft Curve Hydraulic Lift Table: 1-1/8″ laminate top with sit-close cut-out on all sides. Foot pump height adjustable base with swivel snug-top. 28″ chrome plated steel base. Length: 36″. Width: 36″. Height Range: 24″-36″. |
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Clinton Soft Curve Hydraulic Lift Table, Natural $666.64 Features of the Clinton Soft Curve Hydraulic Lift Table: 1-1/8″ laminate top with sit-close cut-out on all sides. Foot pump height adjustable base with swivel snug-top. 28″ chrome plated steel base. Length: 36″. Width: 36″. Height Range: 24″-36″. |
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Hydraulic Clutch Master Cylinder Hose by Chrysler for Jeep $174.99 1989-90 Jeep YJ Wrangler;258 6-cylinder engine;AX-15 JEEP WRANGLER (87-95YJ) ISLANDER LAREDO SAHARA 1989 1990 2.5L (150) 4.2L (258) GAS Hydraulic Clutch Master Cylinder Hose by Chrysler for Jeep |