NDLI: Effect of Spiral Inlet Geometric Parameters on the Performance of Hydrocyclones Used for In Situ Desanding and Natural Gas Hydrate Recovery in the Subsea.

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Effect of Spiral Inlet Geometric Parameters on the Performance of Hydrocyclones Used for In Situ Desanding and Natural Gas Hydrate Recovery in the Subsea.

Content Provider	Europe PMC
Author	Qiu, Shunzuo Wang, Teng Wang, Guorong Zhong, Lin Fang, Xing
Copyright Year	2023
Abstract	The inlet structure of hydrocyclones has great impacton performance.In this paper, the effects of spiral inlet geometric parameters onthe flow field characteristics and separation performance were investigatedby CFD. Numerical results show that the pitch has the largest influence,followed by the heads, the turns, and the steady flow cone. With theincrease of the steady flow cone angle, the turbulence intensity increases.The efficiency, pressure drop, tangential velocity, sand volume fractionat the spigot, and natural gas hydrate (NGH) volume fraction at thevortex finder decrease, when the pitch increases. With the increaseof the number of heads and turns, the efficiency, pressure drop, tangentialvelocity, the NGH volume fraction at the vortex finder, and the sandvolume fraction at the spigot increase. The efficiency and pressuredrop of hydrocyclones with the optimal parameters are 90% and 0.05MPa, respectively. Therefore, the performance of the NGH hydrocyclonecan be improved by increasing the inlet pitch and the number of spiralheads and inlet spiral turns. The results provide theoretical guidancefor the engineering design of NGH in situ separators.
Journal	ACS Omega
Volume Number	8
PubMed Central reference number	PMC9933186
Issue Number	6
PubMed reference number	36816650
e-ISSN	24701343
DOI	10.1021/acsomega.2c06582
Language	English
Publisher	American Chemical Society
Publisher Date	2023-02-03
Access Restriction	Open
Rights License	Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/). © 2023 The Authors. Published by American Chemical Society
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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