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Stem flow measurement on a silver birch. There are a variety of ways stemflow volume is measured in the field. The most common direct measurement currently used is the bonding of bisected PVC or other plastic tubing around the circumference of the tree trunk, connected and funneled into a graduated cylinder for manual or a tipping bucket rain gauge for automatic collection.
The Mist lift, Mist flow or Steam lift pump is a gas lift technique of lifting water used in a form of Ocean Thermal Energy Conversion (OTEC) where water falls to operate a hydro-electric turbine. The water is pumped from the level it drops to using rising steam which is combined into a multiphase flow. [ 1 ]
Steam extracted from the turbine to provide heat to the feedwater heaters Note that the deaerator is also a feedwater heater – it also receives bled steam from the turbine, but the steam is mixed with and heats the water instead of transferring heat through a shell and tube heat exchanger.
That is to say that as the water is heated and starts turning to steam, the density decreases sending the hottest water and steam to the top of the furnace tubes. In contrast to the natural circulation boiler, the forced circulation boiler uses a water circulation pump to force that flow instead of waiting for the differential to form.
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Cuts in funding for the Internal Revenue Service, long eyed by Republicans in Congress, would increase the federal deficit by $140 billion over a decade, slow service and reduce complex audits of ...
NEW YORK (Reuters) -Wall Street lost ground on Tuesday as investors closed the book on a remarkable year for equities, during which the U.S. stock market was powered to record highs by the twin ...
Spatiotemporal Epidemiological Modeler, free software; Stem, part of a compound variable in the Rexx computer programming language; Stem (bicycle part), connecting the handlebars to the steerer tube of a bicycle fork; Stem (ship), the most forward part of a boat or ship's bow; Stem, part of a watch