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Hydro-Nitrogen Accumulators (Krištafor,Z., Golub,M., Matanović,D.,<br />
Kavedžija,B.:More Accurate Approach in Accumulator Capacity<br />
Calculating, 5th International Scientific - Technical Conference …,<br />
Academy of Mining and Metallurgy, Krakow, october 1992<br />
Adequate accumulator capacity is necessary for a reliable<br />
operation of each and particularly of sub sea BOP stack.<br />
By calculating a real accumulator capacity of working fluid<br />
according to the equation of state for real gas, and assuming<br />
that the expansion of nitrogen is a polytrophic change of state,<br />
more accurate parameters of usable volume of working fluid are<br />
obtained.<br />
This is very important in the extreme field conditions, like when<br />
the <strong>equipment</strong> operates under high bore hole pressures.
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