A Preliminary Study of the Fluid Mechanics of Liquid Penetrant Testing
1Center for Mechanical Engineering and Process Technology, National Bureau of Standards, Washington, DC 20234.
Abstract:
Some aspects of the fluid mechanics of liquid penetrant testing are considered. Penetration is represented by surface tension driven flow into defects of small defect width to depth ratio. Defect width is chosen so that both gravitational and non-continuum effects may be ignored. Penetration time is found to follow a Rideal-Washburn relation, in which
Related Concept Videos
Typical Model Studies
Fluid Pressure
According to Pascal's law, a fluid at rest will generate equal pressure in all directions. This pressure is measured as a force per unit area, and its magnitude depends on the fluid's specific...
Fluid Pressure over Flat Plate of Constant Width
The resultant force...
Application of the Linear Momentum Equation
The goal is to determine the force components in the x and y directions to hold the pipe in place. Since...
Flow Table Test
Concrete is placed within a truncated cone mold that is 8 inches high with an 8-inch base diameter and a 5-inch top diameter. The...
Newtonian Fluid: Problem Solving
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...


