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Page "Hydropower" ¶ 12
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height and falling
The power available from falling water can be calculated from the flow rate and density of water, the height of fall, and the local acceleration due to gravity.
When you see him, recognise him: a man of medium height, reddish hair, wearing two light yellow garments, looking as if drops were falling down from his head though it will not be wet.
( Note that " falling " and " rising " in this context do not refer to vowel height ; the terms " opening " and " closing " are used instead.
However, during her first flight, Ariel loses control at a great height, falling toward the ground.
* falling from a great height
Supercell storms are large, severe quasi-steady-state storms with wind speed and direction that vary with height (" wind shear "), separate downdrafts and updrafts ( i. e., precipitation is not falling through the updraft ) and a strong, rotating updraft ( a " mesocyclone ").
All deaths occurred in the Basil Rathbone-Nigel Bruce Holmes films, and all three involved him falling from a great height ( possibly a nod to his demise at the Reichenbach Falls in " The Final Problem ").
The classic dummies used by ventriloquists ( the technical name for which is ventriloquial figure ) vary in size anywhere from twelve inches tall to human-size and larger, with the height usually falling between thirty-four and forty-two inches.
They range in height, with most falling between and, but a few reach over.
Instead of everyone falling the same standard distance, the person's height and weight were used to determine how much slack would be provided in the rope so that the distance dropped would be enough to ensure that the neck was broken, but not so much that the person was decapitated.
Likewise, the gravitational potential energy gained in falling from an initial height to a height is, thus:
John Hobson, a geneticist involved in a project concerned with manipulating DNA, awakes in his hotel room in Thames, New Zealand after a nightmare of falling from a great height.
As an example, depending on the threshold used, falling diamond dust ( Ice Crystals ) may cause the ceilometer to report a cloud height of zero, even though the sky is clear.
Similarly, timber falling in an unplanned direction may harm the operator or other workers, or an operator working at a height may fall or be injured by falling timber.
For those that have a body of water flowing at an adequate speed ( or falling from an adequate height ) on their property, hydroelectricity may be an option.
Pedro Berruguete brought his social scenes and critic with many of its works. What at the height of the Spanish Empire was continued including scenes of street life picaresque and at its slow falling eventually produced many works by the painters of The Spanish Golden Age, Velázquez, Murillo and others.
Hooke and Newton disagreed about the form of the path of a body falling from a height, taking the motion of the earth round its axis into consideration.
Most noticeable of these elements is the methods of killing Moriarty off ; in The Adventures of Sherlock Holmes, Sherlock Holmes and the Secret Weapon and The Woman in Green Moriarty is seen in all three films falling a great height to his death.
The eulogy also said that at the height of the People Power Revolution, Ople in Washington, D. C. had reported to Marcos in Manila that the President's support within the Reagan administration was falling.
At its height, Cracked circulation might have been a third of Mad, with the overall total generally rising or falling along with the bigger magazine's fortunes.
By the time the 2000s came, the strip was still going strong, but with a slight twist to the usual ending of the strip ; rather than Ernest being jilted by Daisy for another man, Ernest usually ended up being beaten up, falling from a great height, or otherwise suffering some painful misfortune, which usually put him in traction.
If a lead climber, starting from the ground, approaches twice the height of the last piece of protection, there is danger of a ground fall ( more commonly referred to as " decking ") in which the falling climber hits the ground before the rope goes tight.

height and water
Such repair work, a reduction in height, and unusually high snowmelt and heavy spring rains combined to cause the dam to give way on May 31, 1889 resulting in twenty million tons of water to sweep down the valley causing the Johnstown Flood.
An aqueduct is a bridge that carries water, resembling a viaduct, which is a bridge that connects points of equal height.
The height of the water h = h ( r ) is a function of the radial distance r from the axis of rotation Ω, and the aim is to determine this function.
where h ( 0 ) is the height of the water at r
The water surface is flat at first, and clearly a surface of equal potential energy because all points on the surface are at the same height in the gravitational field acting upon the water.
Because water is incompressible and must remain within the confines of the bucket, this outward movement increases the depth of water at the larger radius, increasing the height of the surface at larger radius, and lowering it at smaller radius.
The surface of the water becomes slightly concave, with the consequence that the potential energy of the water at the greater radius is increased by the work done against gravity to achieve the greater height.
As the height of water increases, movement toward the periphery becomes no longer advantageous, because the reduction in potential energy from working with the centrifugal force is balanced against the increase in energy working against gravity.
To implement a surface of constant potential energy quantitatively, let the height of the water be: then the potential energy per unit mass contributed by gravity is and the total potential energy per unit mass on the surface is
At this point, the water pushes northward up the Tonle Sab and empties into the Tonle Sap, thereby increasing the size of the lake from about 2, 590 square kilometers to about 24, 605 square kilometers at the height of the flooding.
Such diving usually emphasizes the airborne experience, and the height of the dive, but does not emphasize what goes on once the diver enters the water.
Entering water from a height is an enjoyable leisure activity, as is underwater swimming.
When a Ghyben-Herzberg lens is fully formed, its floating nature will push a freshwater head above mean sea level, and if the island is wide enough, the depth of the lens below mean sea level will be 40 times the height of the water table above sea level.
* Metacentric height, a characteristic of a ship primarily determining its stability in the water
The static head is proportional to the difference in height through which the water falls.
Some hydropower systems such as water wheels can draw power from the flow of a body of water without necessarily changing its height.

height and column
Af is the work necessary to fill the manometer column from the reference height to H.
In his instrument, temperatures were indicated by the height at which a column of mercury was sustained by a certain mass of air, the volume, or " spring ", of which varied with the heat to which it was exposed.
The design of most classical columns incorporates entasis ( the inclusion of a slight outward curve in the sides ) plus a reduction in diameter along the height of the column, so that the top is as little as 83 % of the bottom diameter.
It rises from the stylobate without any base ; it is from four to six times as tall as its diameter ; it has twenty broad flutes ; the capital consists simply of a banded necking swelling out into a smooth echinus, which carries a flat square abacus ; the Doric entablature is also the heaviest, being about one-fourth the height column.
The height of columns are calculated in terms of a ratio between the diameter of the shaft at its base and the height of the column.
Fluid density and local gravity can vary from one reading to another depending on local factors, so the height of a fluid column does not define pressure precisely.
The difference in fluid height in a liquid column manometer is proportional to the pressure difference.
The pressure exerted by a column of fluid of height h and density ρ is given by the hydrostatic pressure equation, P = hgρ.
: h is height of liquid column or depth within a substance
Its physical size can usually be tailored for its content by dragging its height or width at box intersections ( or for entire columns or rows by dragging the column or rows headers ).
The height of the column was then limited to the maximum weight that atmospheric pressure could support ; this is the limiting height of a suction pump, and the same as the maximum height of a siphon, which operates by the same principle.
A value of 0 is given for non-explosive eruptions, defined as less than of tephra ejected ; and 8 representing a mega-colossal explosive eruption that can eject of tephra and have a cloud column height of over.
On the top of this section of the tomb thirty-six slim columns, ten per side, with each corner sharing one column between two sides ; rose for another third of the height.
This standardization kept the fluting in a familiar proportion to the diameter of the column at any scale, even when the height of the column was exaggerated.
The effective thermal expansion coefficient is different than the usual thermal expansion coefficient due to isostasic effect of the change in water column height above the lithosphere as it expands or retracts.
In Greek Doric temples, the length and width of the stylobate were related, and in some early Doric temples the column height was one third the width of the stylobate.
Lateral dispersion is controlled by prevailing winds and the ash may be deposited hundreds to thousands of kilometres from the volcano, depending on eruption column height, particle size of the ash and climatic conditions ( especially wind direction and strength and humidity ).
The height h of a liquid column is given by:
For these values, the height of the water column is
Raised " by the voluntary contributions of the officers, petty officers, seamen and marines of these united kingdoms ", it was designed in 1821 by William Burn, who was advised by Robert Stephenson after residents of the square expressed concern about the adequacy of the foundations to support a column of such height.

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