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Specific Pump Power (SPP) is a metric in fluid dynamics that quantifies the energy-efficiency of pump systems. It is a measure of the electric power that is needed to operate a pump (or collection of pumps), relative to the volume flow rate. It is not constant for a given pump, but changes with both flow rate and pump pressure.
The Pulsometer steam pump is a pistonless pump which was patented in 1872 [2] by American Charles Henry Hall. In 1875 a British engineer bought the patent rights of the Pulsometer [3] and it was introduced to the market soon thereafter. The invention was inspired by the Savery steam pump invented by Thomas Savery.
The foundations of Kirloskar Brothers Limited, the flagship company of the Kirloskar Group, were established in 1888 by Laxmanrao Kirloskar and his partner Ramuanna. [6] At the end of the 19th century, Laxmanrao worked with his brother, Ramuanna Kirloskar, to buy bicycles in Bombay and sell them in Belgaum, supplementing their income with bicycle lessons.
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Sigmund Pulsometer Pumps, a British engineering company; Símbolo de Pequeños Productores, a Mexican network of small organic producers; from Latin America, Africa and Asia Slovenský plynárenský priemysel, a Slovak natural gas company; Sucker Punch Productions, an American video game developer
Slow pump pressure is the circulating pressure (pressure used to pump fluid through the whole active fluid system, including the borehole and all the surface tanks that constitute the primary system during drilling) at a reduced rate. SPP is very important during a well kill operation in which circulation (a process in which drilling fluid is ...
In 2024, SPP into entered a short-term pilot contract to buy natural gas from Azerbaijan to reduce the impact of the Ukrainian closure of the pipeline for Russian supplies in 2025. Transfer will be by the Trans-Balkan pipeline , or possibly via Russia and the TurkStream pipeline across the Black Sea , then Turkey, Bulgaria, Serbia and Hungary.
The diagram depicts some mechanisms by which marine diatoms contribute to the biological carbon pump and influence the ocean carbon cycle. The anthropogenic CO 2 emission to the atmosphere (mainly generated by fossil fuel burning and deforestation) is nearly 11 gigatonne carbon (GtC) per year, of which almost 2.5 GtC is taken up by the surface ...