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The Wilks coefficient or Wilks formula is a mathematical coefficient that can be used to measure the relative strengths of powerlifters despite the different weight classes of the lifters. Robert Wilks, CEO of Powerlifting Australia , is the author of the formula.
Schematic of quantities for capstan equation An example of holding capstans and a powered capstan used to raise sails on a tall ship. The capstan equation [ 1 ] or belt friction equation , also known as Euler–Eytelwein formula [ 2 ] (after Leonhard Euler and Johann Albert Eytelwein ), [ 3 ] relates the hold-force to the load-force if a ...
The NIOSH lifting equation is a tool (now application) that can be used by health and safety professionals to assess employees who are exposed to manual lifting or handling of materials. [7] The NIOSH lifting equation is a mathematical calculation which calculates the Recommended Weight Limit (RWL) using a series of tables, variables, and ...
The methods for determining the DLF vary in the different crane specifications. The following formulas are examples from one specification. [46] The working load (suspended load) is the total weight that a crane is designed to safely lift under normal operating conditions. It is [46] = (+) where
When lifting an object during a sub-sea operation, the DAF is calculated based on dynamic hydraulic forces or on snap-forces. [2] = Where: is the mass of the object in air (kg) is the acceleration of gravity (9.81m/s2)
There are adequate load case coefficients available to estimate sling angle load amplification, suction from the casting bed, and various dynamic transportation load estimates. Load resistance factors of safety , FOS, set out in the Australian Code would typically denote a FOS of 5.0 for re-usable lifting equipment and an FOS of 2.5 for a ...
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In fluid dynamics, the lift coefficient (C L) is a dimensionless quantity that relates the lift generated by a lifting body to the fluid density around the body, the fluid velocity and an associated reference area. A lifting body is a foil or a complete foil-bearing body such as a fixed-wing aircraft.