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How to calculate combined effect of bending and torsional stress on a rotating pipe?
You can calculate the combined effect of bending and torsional stress on a rotating pipe using the outside diameter. The angle of rotation and the shearing stress should also be considered.
What are the 5 types of mechanical stress?
There actually only 3 principle types of stress: Tensile, Compressive and Shear. The other two are actually combinations of those three. Those stresses are torsional and bending. Torsional stress is generally a tangentially arranged collection of shear stresses. Bending is a combination of both compression and tension on opposite sides of a neutral plane through the bending section.
What kind of stress is developed in bolt when nut is tightened?
Torque on a bolt places the bolt in Tension. The stresses are tensile stresses. There can also be torsional stress in the bolt, which is detrimental. That is minimized by lubricating the threads first, with anti-seize, thread locker (before cure), or surface treatment of the threads. In some cases, it is standard practice to back off nuts slightly after torquing to relieve the torsional stress.
Is torsional critical speed the same as torsional Analysis?
Torsional analysis: This analysis completed based on strcture properties like Mass MI and Torsional stiffness. Torsional critical speed analysis: Speed of rotor will come into picture in addition to Mass MI and Torsional stiffness of the structure.
What is transverse stress?
Transverse stress is a type of stress that occurs perpendicular to the direction of applied force. It typically acts in a sideways or twisting manner on an object, leading to deformation if the material is unable to withstand the force. It is commonly seen in bending or torsional situations.
What is torsional rigidity of a shaft?
It is defined as ratio of the product of modulus of rigidity and polar moment of inertia to the length of the shaft. Torsional Rigidity is caluclated as: Torsional Rigidity= C J/l
What is torsional critical speed?
The term torsional critical speed of centrifugal pumps and associated drive equipment refers to the speed of a pump rotor or related rotating system that corresponds to a resonant frequency of torsional vibration of the rotating system. Torsional critical speeds are associated with torsional or angular deflection of the rotor and are not to be confused with lateral critical speeds associated with lateral deflection. The two are separate entities. A given rotor or rotating system may possess more than one torsional resonant frequency or torsional critical speed. The lowest frequency which produces the "first mode shape" and "first torsional critical speed" is in general of the most concern. Torsional vibration is caused by torsional excitation from sources such as variable frequency drive motor toque pulsations, combustion engine torque spikes and impeller vane pass pulsation. The calculation of the first torsional critical speed is fairly simple for simple rotor systems.
What Torsional force?
a colloquialism
What is the torsional rigidity of a shaft?
Torsional rigidity of a shaft, also known as torsional stiffness, refers to the shaft's resistance to twisting under an applied torque. It is a measure of how much the shaft twists relative to the applied torque. Torsional rigidity is important in applications where precise torque transmission is required without excessive twisting or deformation of the shaft.
How can one convert between Newton meter by degree and Megapascal as units of torsional rigidity?
One pascal is 1newton/meter^2. Therefore one megapascal is 10^6 newton/meter^2. Megapascal is a unit of Pressure (to be precise, stress) . So we cannot convert between Newton meter per degree and Megapascal as units of torsional rigidity.
What is torsional strength of mild steel?
77gpa
Which material is used in manufacture of torsional pendulum wire?
brass
