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The HOT 1 and HOT 2 use the warhead fuzing system described above. The latest version of the HOT family, the HOT 3, uses tandem-charge feature to defeat tanks fitted with explosive reactive armor . A laser-proximity fuze located in the front half of the nose measures the range between target and missile.
A cold chain is a supply chain that uses refrigeration to maintain perishable goods, such as pharmaceuticals, produce or other goods that are temperature-sensitive. [1] Common goods, sometimes called cool cargo, [2] distributed in cold chains include fresh agricultural produce, [3] seafood, frozen food, photographic film, chemicals, and pharmaceutical products. [4]
We assume that a generic heat exchanger has two ends (which we call "A" and "B") at which the hot and cold streams enter or exit on either side; then, the LMTD is defined by the logarithmic mean as follows: The LMTD illustrated in a countercurrent temperature profile [1]
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There are also 5th generation district heating and cooling systems (so called cold district heating networks) that are able to provide both heating and cooling simultaneously. In these systems the waste heat from chillers can be recycled and used for space heating or hot water production. [2]
The engine takes in a quantity of heat Q 1 from a hot reservoir and passes out a lesser quantity of waste heat Q 2 < 0 to a cold reservoir. The net heat energy absorbed by the working body is passed, as thermodynamic work, to a work reservoir, and is considered to be the output of the engine.
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