solidity


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solidity

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i. The ratio between the part of a propeller disc that when viewed from the front is solid and the part that is just air. This ratio is measured by adding up the blade chords at a certain radius and dividing the sum by the circumference at that radius. The greater the solidity, the greater is the ability of the propeller to absorb the power. The solidity can be affected by either increasing the number of blades, as in contrarotating propellers, or increasing the chord of each blade, as is done with paddle blades.
ii. The ratio of the total blade area to the disc area of a helicopter engine. Solidity is the function of the blade's ability to absorb power from the engine and the potential to provide rotor thrust.
References in periodicals archive ?
Concentrated toward some hypothetical core while relentlessly expanding beyond itself, the piece seamlessly integrates fluidity and solidity, thinness and thickness, instability and stability with a kind of dramatic flair.
satisfactory financial solidity is required to carry out the deliveryit is required that the supplier has a legally established company.
Glass facades maximize daylight penetration, but are given an apparent solidity in its more traditional neighbours with vertical granite fins (solid when viewed obliquely, transparent when seen head on).
This lone figure on a pedestal proved on inspection to be hollow: Chu generally glues together blocks of wood and then carves them into figures with a chainsaw; holes in the finished products undermine an initial impression of weight and solidity.
Main features: mission octasecurity of people and solidity of works for the continuation of the 5th tramway line of the metropolis of montpellierbasic missions: l: solidity of structuress: safety of peopleadvanced missions: av: stability of structuresle: solidity of existing structurespv: recollection of the pv test of equipmentssei: safety of people in the erp and ighconsuel: checks for obtaining certificates consuelverification initial: 1st electrical visitmission complementary according to specifics projects
A polarity is set up between the assertive convex solidity of Broadcasting House and the receptive concavity and lightness of the suspended facade.
Only in the monumental compositional context of the whole does the meaning of the parts become clear: in the play of symmetry and contrast; the flow of chiaroscuro lending subtlety and variety to the bedrock solidity of the post-and-lintel structure, which curator Lisa G.
Contract notice: missions of expertise and monitoring of the solidity and durability of the constructions for the airport nice cote d~azur
As well as efficiently accommodating the various elements of the programme, the project is also an exploration of how to interpret the movement and physicality of dance in built form, reconciling the apparently incompatible intangible, fleeting qualities of movement with architectural solidity and permanence.
As I now rediscovered it, the bridge was not the sinister monument it seems in one of these photographs, but something lovely, in which extreme solidity becomes a novel form of grace.
Internally, the mass of the exterior is dematerialized in the flowing sequence of airy, luminous spaces, though some sense of physical solidity is preserved in the raw boardmarked concrete walls and stone floors of the new extension.
Made in 1999, the "Dancer" series takes as its subject another fleshy woman, this time in motion, so her solidity turns ethereal, almost spectral.