Bulk modulus
Bulk Modulus is a measure of a substance's resistance to uniform compression. It is an important parameter in the field of materials science, physics, and engineering.
Definition[edit | edit source]
The Bulk Modulus (K) is defined as the ratio of the infinitesimal pressure increase to the resulting relative decrease of the volume. Mathematically, it is expressed as:
- K = -V * (dP/dV)
where:
- V is the initial volume,
- dP is the change in pressure,
- dV is the change in volume.
Units[edit | edit source]
In the International System of Units (SI), the unit of bulk modulus is the pascal (Pa). In the US customary units, it is expressed in pounds per square inch (psi).
Applications[edit | edit source]
The bulk modulus has various applications in different fields such as geophysics, material science, and engineering. It is used in the study of fluid dynamics, in the design of pressure vessels, and in understanding the behavior of materials under pressure.
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
