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Blade solidity is an important design parameter for the axial flow impeller and is defined as the ratio of blade chord length to spacing. Airfoil nomenclature. Blade Solidity = c/s. Where. is the spacing. is the mean radius. is blade number. Chord length c is the length of the chord line. In case of an axial flow impeller mean radius is defined ...
In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S or μ, is a measure of the elastic shear stiffness of a material and is defined as the ratio of shear stress to the shear strain: [ 1] where. = shear stress. is the force which acts. is the area on which the force acts.
In aeronautics, the chord is an imaginary straight line joining the leading edge and trailing edge of an aerofoil. The chord length is the distance between the trailing edge and the point where the chord intersects the leading edge. [ 1][ 2] The point on the leading edge used to define the chord may be the surface point of minimum radius. [ 2]
For example, TaC has a microhardness of 1,600–2,000 kg/mm 2 [18] (~9 Mohs) and an elastic modulus of 285 GPa, whereas the corresponding values for tantalum are 110 kg/mm 2 and 186 GPa. [19] Tantalum carbides have metallic electrical conductivity, both in terms of its magnitude and temperature dependence.
Updated to match(es) played on August 20, 2024. Source: PBA.ph Rules for classification: 1) winning percentage; 2) if two teams are tied, head-to-head record; if three or more teams are tied, head-to-head goal average (quotient); if tied for 4th, one-game playoff; 3) overall quotient; 4) coin toss [2]
Specific weight. The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma ), is a volume-specific quantity defined as the weight per unit volume of a material. A commonly used value is the specific weight of water on Earth at 4 °C (39 °F), which is 9.807 kilonewtons per cubic metre or 62.43 pounds-force per cubic ...
The tonne (t) is an SI-compatible unit of mass equal to a megagram ( Mg ), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes. For example, a gigagram ( Gg) or 10 9 g is 10 3 tonnes, commonly called a kilotonne .
Thickness-to-chord ratio. a=chord, b=thickness, thickness-to-chord ratio = b/a. The F-104 wing has a very low thickness-to-chord ratio of 3.36%. In aeronautics, the thickness-to-chord ratio, sometimes simply chord ratio or thickness ratio, compares the maximum vertical thickness of a wing to its chord. It is a key measure of the performance of ...