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In solid mechanics, in the field of rotordynamics, the critical speed is the theoretical angular velocity that excites the natural frequency of a rotating ... more

Vertical pressure variation is the variation in pressure as a function of elevation. The vertical variation is especially significant, as it results from ... more

The Number of Transfer Units (NTU) Method is used to calculate the rate of heat transfer in heat exchangers (especially counter ... more

Water hammer (or, more generally, fluid hammer) is a pressure surge or wave caused when a fluid (usually a liquid but sometimes also a gas) in motion is ... more

A shape factor is used in boundary layer flow to determine the nature of the flow.

The higher the value of H, the stronger the adverse pressure
... more

Pneumatic cylinders (sometimes known as air cylinders) are mechanical devices which use the power of compressed gas to produce a force in a reciprocating ... more

Pneumatic cylinders (sometimes known as air cylinders) are mechanical devices which use the power of compressed gas to produce a force in a reciprocating ... more

A cubic function is a function of the form f(x): ax3 + bx2 + cx + d.

The critical points of a cubic equation are those values of x where the slope of
... more

A cubic function is a function of the form f(x): ax3 + bx2 + cx + d.

The critical points of a cubic equation are those values of x where the slope of
... more

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