Pinch analysis is a methodology for minimising energy consumption of chemical processes by calculating minimum energy consumption and by optimising heat recovery systems etc. It is also known as process integration, heat integration, energy integration or pinch technology.
Pinch (plasma physics), the compression of a plasma filament by magnetic forces, or a device which uses this effect for magnetic fusion energy (the Z-pinch is a special case of such a device)
The point of maximum constraint or minimum flow in various chemical engineering processes
Pinch point (economics), the level of inventory below which consumers become concerned about security of supply
Pinch runner, a player substituted for a player on base
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