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The number of transfer units (NTU) method is used to calculate the rate of heat transfer in heat exchangers (especially parallel flow, counter current, and cross-flow exchangers) when there is insufficient information to calculate the log mean temperature difference (LMTD). Alternatively, this method is useful for determining the expected heat ...
Nephelometric Turbidity Unit, a measure of the cloudiness of a liquid; Nevada–Texas–Utah Retort, a shale oil extraction technology; New Threat Upgrade, a US Navy anti-air warfare ships system upgrade; NTU method uses the Number of Transfer Units to calculate the effectiveness of a heat exchanger
Assume heat transfer [2] is occurring in a heat exchanger along an axis z, from generic coordinate A to B, between two fluids, identified as 1 and 2, whose temperatures along z are T 1 (z) and T 2 (z). The local exchanged heat flux at z is proportional to the temperature difference:
A condenser is designed to transfer heat from a working fluid (e.g. water in a steam power plant) to a secondary fluid or the surrounding air. The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid. The vapor typically enters the condenser at a ...
Whether you enjoy hunting for a good vintage find or just discovered some old boxes from your grandparents in the attic, you could have a few treasures on your hands.. For You: 6 Little Luxuries ...
The cast of “Friends” is well known for being besties, but that developed over time. During an appearance on Dax Shepard’s “Armchair Expert” podcast, “Friends” star Lisa Kudrow ...
BOGOTÁ, Colombia (AP) — One of Colombia’s legendary drug lords and a key operator of the Medellin cartel has been deported back to the South American country, after serving 25 years of a 30 ...
SOURCE: Integrated Postsecondary Education Data System, University of North Texas (2014, 2013, 2012, 2011, 2010).Read our methodology here.. HuffPost and The Chronicle examined 201 public D-I schools from 2010-2014.