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At the pinch point, where the hot and cold streams are the most constrained, large heat exchangers are required to transfer heat between the hot and cold streams. Large heat exchangers entail high investment costs. In order to reduce capital cost, in practice a minimum temperature difference (Δ T) at the pinch point is demanded, e.g., 10 °F.
A key insight is the pinch temperature, which is the most constrained point in the process. The most detailed explanation of the techniques is by Linnhoff et al. (1982), Shenoy (1995), Kemp (2006) and Kemp and Lim (2020), and it also features strongly in Smith (2005).
Pinch point (mathematics), a type of singular point on an algebraic surface; Pinch point bar, a hand tool consisting of a long, straight metal bar; Curb extension, a traffic calming measure consisting of an angled narrowing of the roadway; The point of closest approach between the hot and cold composite curves in pinch analysis; Pinch point ...
A concept of Z-pinch fusion propulsion system was developed through collaboration between NASA and private companies. [1] The energy released by the Z-pinch effect would accelerate lithium propellant to a high speed, resulting in a specific impulse value of 19400 s and thrust of 38 kN. A magnetic nozzle would be required to convert the released ...
A ¼-teaspoon measurement of Morton contains 480 milligrams of sodium, whereas ¼ teaspoon of Diamond Crystal is equal to 280 milligrams of sodium — a significant difference.
The pyrometric cone is "A pyramid with a triangular base and of a defined shape and size; the "cone" is shaped from a carefully proportioned and uniformly mixed batch of ceramic materials so that when it is heated under stated conditions, it will bend due to softening, the tip of the cone becoming level with the base at a definitive temperature.
When all else fails, Segal says you can always count on mirrors to make a small room seem bigger in a pinch. "Mirrors reflect light and create the optical illusion of more space," she says.
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