Dangers from abroad would destroy the centrifugal forces at home, and the Union would be saved.
When a train is running round a curve the centrifugal force which comes into play tends to make its wheel-flanges press against the outer rail, or even to capsize it.
In the West also centrifugal forces made themselves felt.
Hence, unless there be some reason to the contrary, each piece of a machine should be balanced on its axis of rotation; otherwise the centrifugal force will cause strains, vibration and increased friction, and a tendency of the shafts to jump out of their bearings.
A strongly centralized government had ever been Poland's greatest need, and Casimir the Great had striven successfully against all centrifugal tendencies.
5), Dracaena and Cordyline include arborescent species in which the stem increases in thickness continually by a centrifugal formation of new tissue; an extreme case is afforded by Dracaena Draco, the dragon-tree of Teneriffe.
If we reverse the signs, we get the centrifugal couple exerted by the solid on its bearings.
Mechanical ventilation may be effected either by direct exhaustion or centrifugal displacement of the air to be removed.
In the case of a body moving relatively tothe earth, the introduction of centrifugal force only partially corrects the effect of the earth's rotation.
from the inner towards the outer rail, urged by the same centrifugal forces.
If the axis of rotation traverses the centre of gravity of the body, the centrifugal force exerted on that axis is nothing.
The typical mine fan consists of a shaft upon which are mounted a number of vanes enclosed in a casing; the air entering a central side inlet is caught up by the revolving vanes and thrown out at the periphery by the centrifugal force thus generated.
In no field, perhaps, was the centrifugal tendency of the Greeks more persistent than in such matters.
The effect of centrifugal force at the equator is to make the weight of a body there about .35% less than the value it would have if due to gravitation alone.
The particles of a rotating body exert centrifugal forces on each other, which strain the body, and tend to tear it asunder, but these forces balance each other, and do not affect the resultant centrifugal force exerted on the axis of rotation.i -
Among the centrifugal forces which determined the future of the Italian race must be reckoned, first and foremost, the new spirit of municipal independence.
These are then discharged into large receivers, which are generally fitted with stirrers, and from the receivers the cooked mass passes to the centrifugal machines.
After cooling, the casing is lifted out of the drum by a crane, assisted by compressed air, and is then conveyed by a travelling crane to a vertical centrifugal, inside of which it is made fast.
Henceforth it receded more and more from the influence of the Roman Church, and this centrifugal movement was greatly helped by the fact that the Roman Church, having ceased to know the Greek language, found herself practically excluded from the world of Greek Christianity.
In some cases when a magneto-generator is employed for calling purposes the coil of the machine is automatically cut out of circuit when it is not in action, and is brought into circuit when the handle is turned by the operation of a centrifugal or other arrangement.
About 1850, efficient ventilators of the centrifugal type were first introduced, and are now almost universally employed where the circulation of large volumes of air is necessary, as in collieries.
consisting at first of various loosely connected entities, naturally centrifugal, but temporarily drawn together by the urgent need of combination against a superior foe, who threatened them separately with extinction.
Another way of stating the same thing is to say that we introduce, as a correction for the earth's rotation, a force called "centrifugal force," which combined with gravitation gives the weight of the body.
In astronomy he depreciates the merits of Newton and elevates Kepler, accusing Newton particularly, a propos of the distinction of centrifugal and centripetal forces, of leading to a confusion between what is mathematically to be distinguished and what is physically separate.
It is continued until the contents of the pan have been coverted into a thick paste of small crystals of monohydrated sodium carbonate, permeated by a mother-liquor which is removed by draining on perforated plates or by a centrifugal machine, and is always returned to the pans.
This separation can be rapidly effected with some latices by the use of a centrifugal machine, but this method has not yet been applied to any extent commercially.
The swiftest current te,-ids, by reason of centrifugal force, to follow the outer side of every significant curve in the channel; hence the concave bank, against which the rapid current sweeps, is worn away; thus any chance irregularity is exaggerated, and in time a series of large serpentines or meanders is developed,, the most-symmetrical examples at present being those near Greenville, Miss.
He attained correct views as to the character of centrifugal force in connexion with Galileo's theory; and, when the fact of the variation of gravity (Galileo's acceleration) in different latitudes first became known from the results of pendulum experiments, he at once perceived the possibility of connecting such a variation with the fact of the earth's diurnal rotation relatively to the stars.
The fractured end is heated, and by the combined action of heat and centrifugal force opens out into a flat foot.
When this is done, the casing is hoisted out of the centrifugal and the vertical plates and the slabs of sugar are extracted.
The crystallized anthracene is then removed by a centrifugal separator and the process of solution in the pyridine bases is repeated.
Assuming that in its circumpolar origin the North Temperate flora was fairly homogeneous, it would meet in its centrifugal extension with a wide range of local conditions; these would favor the preservation of numerous species in some genera, their greater or less elimination in others.
As the removal of the impurities of the latex is one of the essential points to be aimed at, it was thought that the use of a centrifugal machine to separate the caoutchouc as a cream from the watery part of the latex would prove to be a satisfactory process.
The blower then heats the end of the cylinder again and rapidly spins the pipe about its axis; the centrifugal effect is sufficient to spread the soft glass at the end to a radius equal to that of the rest of the cylinder.
Centrifugal Force of a Rotating BodyThe centrifugal force exerted by a rotating body on its axis of rotation is the same in magnitude as if the mass of the body were concentrated at its centre of gravity, and acts in a plane passing through the axis of rotation and the centre of gravity of the body.
13, is an example of another class of centrifugal ventilator, in which a close casing is not used, the air exhausted being discharged from the circumference directly into the atmosphere.
The centrifugal force separates the juice from the pulp.
From the centrifugal the sugar is either turned out without washing as raw sugar, only fit for the refinery, or else it is well washed with a spray of water and air until white and dry, and it is then offered in the market as refined sugar, although it has never passed through animal charcoal (bone-black).
It is one of the few examples of free corporate action on the part of the ancient Greek cities, whose centrifugal yearning for independence so often proved fatal to the Hellenic world.
The action of this mill is really more nearly analogous to that of a centrifugal pump, as no grinding action takes place in it.
They were formerly used on a very large scale in Belgium and South Wales, but the great weight of the moving parts makes it impossible to drive them at the high speed called for by modern requirements, so that centrifugal fans are now generally adopted instead.
The cleaned coal is carried by a stream of water to a bucket elevator and delivered to the storage bunkers, or both water and coal may be lifted by a centrifugal pump into a large cylindrical tank, where the water drains away, leaving the coal sufficiently dry for use.
Water trickles continuously into the trough, and the centrifugal action holds it as an inside lining against the rim, where it slowly evaporates.
When A is held still, and B rotated, centrifugal action sets up vortex currents in the water in the pockets; thus a continuous circulation is caused between B and A, and the consequent changes of momentum give rise to oblique reactions.
But if a load is so applied that the deflection increases with speed, the stress is greater than that due to a very gradually applied load, and vibrations about a mean position are set up. The rails not being absolutely straight and smooth, centrifugal and lurching actions occur which alter the distribution of the loading.
After being dried, the hanks are packed in linen bags and boiled for three hours in a weaker soapy solution, then washed out in pure warm water and dried in a centrifugal hydroextractor.
The whole of the interior surface is washed with a fountain of alkali, kept in circulation by means of a small centrifugal pump. In this apparatus, and with about one horse-power utilized at the transformer, the absorption of gas is 21 litres per hour ("The Oxidation of Nitrogen Gas," Trans.
This centrifugal tendency is most marked in the cases of the more important states, Athens, Sparta, Argos, Corinth, but Greek history is full of examples of small states deliberately sacrificing what must have been obvious commercial advantage for the sake of a precarious autonomy.
centrifugal pump is the most commonly used pump.
From his views on centrifugal force he deduced the oblate figure of the earth, estimating its compression, however, at little more than one-half its actual amount.
Centrifugal pumps, constructed with several stages or sets of vanes, and suitable for high lifts, have been introduced for mine service.
Suitable provision is made for the egress of syrup from the massecuite in the cells when undergoing purging in the centrifugal; and the washing of the crystals can be aided by the injection of refined syrup and completed by that of " clairce."
It is then separated in a centrifugal machine, the low melting-point impurities are removed by means of hot water, and the residue is finally hot-pressed.
To say nothing of the labours of the Cistercians as colonists, pioneers and churchbuilders, or of the missions of the Dominicans and Franciscans (the former of whom were introduced into Poland by Ivo, bishop of Cracow,' the personal friend of Dominic), the Church was the one stable and unifying element in an age of centrifugal particularism.
Worst of all, there existed no recognized authority in the land to curb and control its jarring centrifugal political elements.
Besides the internal or centripetal growth, some cell-walls are thickened on the outside, such as pollen grains, oospores of Fungi, cells of Peridineae, &c. This centrifugal growth must apparently take place by the activity of protoplasm external to the cell.
The time would then come when the centrifugal force on the outer parts of the mass would more than counterbalance the attraction of the centre, and thus we would have the outer parts left as a ring.
At high speeds the centrifugal tension of the belt or rope, of amount wv 2 /g, may be considerable, and must be subtracted from the end tensions.
A device of more recent introduction is an electrically-driven charging machine, in which the centrifugal force created by a fly-wheel revolving at high speed is applied to drive coal into the retort.
The history of the Serbs during the first five centuries after their arrival in their present country was a struggle between the attempts at union and centralization of the Zhupaniyas into one state under one government, and the resistance to such union and centralization, a struggle between the centripetal and the centrifugal political forces.
(6) The relation between the periodic time of a planet and its mean distance, approximately expressed by Kepler's third law, follows very simply from the laws of centrifugal force.
When bodies revolve at different distances around a centre, their velocities must be such that the centrifugal force of each shall be balanced by the attraction of the central mass, and therefore vary inversely as the square of the v(m i v -+m 2 vz+
But, in consequence of the centrifugal force generated by the rotation, it assumes a spheroidal form, the equatorial regions bulging out.
This is not the direction of gravity proper, or of the earth's attraction, but the resultant of this attraction combined with the centrifugal force due to the earth's rotation on its axis.
Henceforward royalty, strengthened by victory and organized for the struggle, was able to reduce the centrifugal social forces to impotence.
The principle of the honey extractor (throwing the liquid honey out of the cells by centrifugal force) was discovered quite by accident.
thrown out of the comb by the centrifugal force employed to keep the basket suspended.
A simple form of machine for extracting honey by centrifugal force was brought to notice in England in 1875, and was soon improved upon, as will be seen in fig.
A study of the figure will show that the centrifugal force round the axis RR will act on the equatorial protuberance of the rotating earth so as to make it tend in the direction of the arrows.
As the latter moves round, P'P' will continually follow it through the incessant change of figure produced by the change in the direction of the centrifugal force.
The expansion of the flowers is in this case centrifugal, that is, from apex to base, or from centre to circumference.
carthusianorum, &c., in which the peduncles are short, and the flowers closely approximated, with a centrifugal expansion, the inflorescence has the form of a contracted dichasium, and receives the name of fascicle.
But on examination it is found that there is a central flower expanding first, and from its axis two secondary axes spring bearing solitary flowers; the expansion is thus centrifugal.
The clusters are called verticillasters, and consist of flowers which are produced in a centrifugal manner.
So also in Labiatae, such as dead-nettle (Lamium), the different whorls of inflorescence are developed centripetally, while the florets of the verticillaster are centrifugal.
Definite Centrifugal Inflorescence.
In the latter case individual stamens may move in succession towards the pistil and discharge their contents, as in Parnassia palustris, or the outer or the inner stamens may first dehisce, following thus a centripetal or centrifugal order.
x', Centrifugal primary wood.
In order to achieve vertical lift he envisaged the use of four centrifugal blowers disposed around the aircraft's center of gravity.
centrifugal blowers disposed around the aircraft's center of gravity.
centrifugal clutch up to speed.
centrifugal separator to remove the oil?
centrifugal tendency in the church from Paul to Luke.
I like the foot start system and the centrifugal clutch.
In centrifugal compressors a number of impellers are mounted on a a common rotor in a robust casing.
We are the inventor of the screw centrifugal impeller and are a company totally dedicated to its development and improvement.
There is no perfect centrifugal juicer at the moment.
orifice flow meter and then is aspirated from a centrifugal blower.
For high flow rates and at low pressure, centrifugal pumps are clearly the best, according to Hennecke.
Also related: make a transparent, hand cranked, centrifugal water pump (with purely radial impeller blades to keep explanation simple ).
Has anyone ever rigged up a centrifugal separator to remove the oil?
After adjusting for thermal and mechanical energy transfer, if an efficient centrifugal supercharger is generating 7.5 psi (approx.
There is a standing centrifugal tendency in the church from Paul to Luke.
unleashing of centrifugal forces would have been very different.
Crystals and precipitates, deprived of as much water as possible by centrifugal machines or filter-presses, are transported by means of a belt, screw, or other form of conveyer, on to trays staged in brick chambers heated directly by flue gases or steam pipes; the latter are easily controlled, and if the steam be superheated a temperature of 300Ã‚° and over may be maintained.
p their corners pared off by rubbing against each other; and two species of matter thus arise, - one consisting of small globules which continue their circular motion with a (centrifugal) tendency to fly off from the centre as they swing round the axis of rotation, while the other, consisting of the fine dust--the filings and parings of the original particles - gradually becoming finer and finer, and losing its velocity, tends (centripetally) to accumulate in the centre of the vortex, which has been gradually left free by the receding particles of globular matter.
(For 1900 or Igor.) The movement of people from one place to another without the immediate intention of returning is known as migration, and accord ing to its origin it may be classed as centrifugal (directed a particular area) and centripetal (directed towards a particular area).
Centrifugal migration is usually a matter of compulsion; it may be necessitated by natural causes, such as a change of climate leading to the withering of pastures or destruction of agricultural land, to inundation, earthquake, pestilence or to an excess of population over means of support; or to artificial causes, such as the wholesale deportation of a conquered people; or to political or religious persecution.
It was in particular the misfortunes of the later 'seventies that gave the needed fillip to that branch of stock-farming concerned with the production of milk, butter and cheese, and from this period may be said to date the revival of the dairying industry, which received a powerful impetus through the introduction of the centrifugal cream separator, and was fostered by the British Dairy Farmers' Association (formed in 1875).
The centrifugal forces within the Hungarian kingdom are thus increased by the attraction of kindred nationalities established beyond its borders, a fact which is of special importance in considering the vexed and difficult racial problem in Hungary.
In this process the raw sugar is mixed with a small amount of syrup so as to form a suitable magma, and is then run into a continuous centrifugal, where it is sufficiently washed, and from which it runs out, comparatively clean, into the melting pans described above.
(6) On a curved bridge the centrifugal load due to the radical acceleration of the train.
It was a fortunate thing for Poland that, during the first century of her ascension to the rank of a great power, political exigencies compelled her to appropriate almost more territory than her primitive and centrifugal government could properly assimilate; it was fortunate that throughout this period of expansion her destinies should, with one brief interval, have been controlled by a couple of superior statesmen, each of whom ruled for nearly fifty years.
In the Elmore process oil is employed to float off the materials which adhere to it, while the other materials remain in the water, the oil being separated from the water by centrifugal action.
(X41.) in the centrifugal direction, showing l a regular radial arrangement, with medullary rays between the seri s of tracheides (fig.
Also related: make a transparent, hand cranked, centrifugal water pump (with purely radial impeller blades to keep explanation simple).
This process is aided by centrifugal force from the spinning of the wheel.
Moreover, during the Cold War the response of the outside world to the unleashing of centrifugal forces would have been very different.
A centrifugal juicer chops the fruit or vegetable and then spins it in a basket made of stainless steel or plastic at a high speed, which separates the juice from the pulp.
Inexpensive centrifugal juicers wear out easily, are very loud, and can be very difficult to clean when compared with some of the other types of juicers.
Centrifugal Couples of a Rotating Body.Besides the tendency (if any) of the combined centrifugal forces of the particles of a rotating body to s/lift the axis of rotation, they may also tend to turn it out of its original direction.
The latter tendency is called a centrifugal couple, and vanishes for rotation about a principal axis.
It is essential to the steady motion of every rapidly rotating piece in a machine that its axis of rotation should not merely traverse its centre of gravity, but should be a permanent axis; for otherwise the centrifugal couples will increass friction, produce oscillation of the shaft and tend to make it leave its bearings.
The ~ force required to constrain the weight a to move in a circle, that is the de viating force, produces an equal and -~ opposite reaction on the shaft, whose X amount F is equal to the centrifugal force Wa2 rig Ib, where r is the radius of the mass centre of the weight, and - a is its angular velocity in radians per second.
F, and, (2) a centrifugal couple of Ya foot-pounds.
In the particular case where the motion is of the kind known as simple harmonic the disturbing force on the frame due to the reciprocation of the weight is equal to the component of the centrifugal force in the line of stroke due to a weight equal to the reciprocated weight supposed concentrated at the crank pin.
* Centrifugal Whirling of Shafts.When a system of revolv ing masses is balanced so that the conditions of the preceding sectiol are fulfilled, the centre of gravity of the system lies on the axis o revolution.
Neglecting the mass of the shaft itself, when the shaft rotates with an angular velocity a, the centrifugal force Wae/g will act upon the shaft and cause its axis to deflect from the axis of rotation a distance, y say.
The corresponding value of a, namely ~ gc/w, is called the critical velocity of the shaft, and is the speed at which the shaft ceases to rotate stably and at which centrifugal whirling begins.
C. Greenhill treated the problem of the centrifugal whirling of an unloaded shaft with different supporting conditions in a paper On the Strength of Shafting exposed both to torsion and to end thrust, Proc. Inst.
When the spindle 1 D is at rest the bob hangs close to it; when the spindle rotates, the bob, being made ~ c to revolve round it, diverges until the resultant of the centrifugal force and the weight of the bob is a force acting atO in the direction OB, and then it revolves steadily in a circle.
This combination is Z called a revolving, centrifugal, or conical pendulum.
Revolving pendulums are usually constructed with pairs of rods y b and bobs, as OB, Ob, hung at opposite sides of the spindle, that the centrifugal forces exerted at the point 0 may balance A each other.
Let OH=z; let W be the weight of the bob, F its centrifugal force.
By comparing this with the expression for the centrifugal force (wap/g), it appears that the actual energy of a revolving body is equal to the potential energy Fp/2 due to the action of the deflecting force along one-half of the radius of curvature of the path of the body.
Nothing remained to check those centrifugal forces in state and church which substituted a confederation of rival European powers for the earlier ideal of universal monarchy, and separate religious constitutions for the previous Catholic unity.
Moreover, the promotion of Greek civilization and city life had created numerous local centres, with separate interests and centrifugal tendencies, struggling to attain complete independence, and perpetually forcing new concessions from the empire.
the xylem being centrifugal and the m, Medullary bundles.
In a bundle examined in the basal portion of a leaf the bulk of the xylem is found to be centrifugal in position, but internally to the protoxylem there is a group of centripetal tracheids; higher up in the petiole the xylem is mainly centripetal, the centrifugal wood being represented by a small arc of tracheids external to the protoxylem and separated from it by a few parenchymatous elements.
Finally, in the pinnae of the frond the centrifugal xylem may disappear, the protoxylem being now exarch in position and abutting on the phloem.
Elsewhere centrifugal force, acting somewhat after its manner in the cream separator, has been called in aid.
The rim is also subject to a centrifugal tension of amount wv 2 /g pounds per square inch of section, where w is the weight in pounds of a length of one foot of the pulley rim one square inch in section, and v is the velocity of the rim in feet per second.
A centrifugal juicer with a pulp ejector operates in the same way as a basic centrifugal juicer.
The blades use centrifugal force to cause friction with then causes heat to warm up the soup.
Centrifugal friction You can cook soups and other foods right in the unit, using the heat generated from the blending action.
Centrifugal juicers: These electric juicers contain a grater or fast spinning blade, a basket to catch the pulp, and a strainer.
Another popular type of centrifugal juicer has a basket with slanted or angled sides.
Notable brands of centrifugal juicers include the Omega 1000 and Omega 9000 series of juicers.
Some of the juicers, such as the pressers and centrifugal juicers, need a bit of strength on your part to operate the machine.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.