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A Dynamic Hydrocyclone Adapting to Different Operating Points by Changing the Inlet Area.

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Title: A Dynamic Hydrocyclone Adapting to Different Operating Points by Changing the Inlet Area.
Authors: Schwarz, Benedikt1 (AUTHOR) benedikt.schwarz@th-rosenheim.de, Krause, Peter2 (AUTHOR), Lindner, Johannes1 (AUTHOR)
Source: Chemical Engineering & Technology. Jan2026, Vol. 49 Issue 1, p1-9. 9p.
Subjects: Flow velocity, Inlets, Machine separators, Mechanical efficiency, Rapid prototyping, Modular design
Abstract: In this study, a novel hydrocyclone design was developed featuring a variable inlet geometry, which enables adjustment of the inlet area during operation. This allows control over the flow velocity within the cyclone, thereby maintaining a constant tangential velocity despite changes in volumetric flow rate. The prototype demonstrated a constant separation efficiency across a volumetric flow range spanning a factor of two between its minimum and maximum capacities. Two control strategies were investigated: operation at constant pressure drop and operation at constant inlet velocity, both under varying flow rates and inlet geometries. To initially examine the influence of key parameters, hydrocyclones with fixed geometries were fabricated using rapid prototyping and employed in experimental trials. These findings informed the subsequent development and construction of a dynamically adaptive steel prototype capable of dynamic geometrically adjustment. [ABSTRACT FROM AUTHOR]
Copyright of Chemical Engineering & Technology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A Dynamic Hydrocyclone Adapting to Different Operating Points by Changing the Inlet Area.
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  Data: <searchLink fieldCode="AR" term="%22Schwarz%2C+Benedikt%22">Schwarz, Benedikt</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> benedikt.schwarz@th-rosenheim.de</i><br /><searchLink fieldCode="AR" term="%22Krause%2C+Peter%22">Krause, Peter</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lindner%2C+Johannes%22">Lindner, Johannes</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+%26+Technology%22">Chemical Engineering & Technology</searchLink>. Jan2026, Vol. 49 Issue 1, p1-9. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Flow+velocity%22">Flow velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Inlets%22">Inlets</searchLink><br /><searchLink fieldCode="DE" term="%22Machine+separators%22">Machine separators</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+efficiency%22">Mechanical efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Rapid+prototyping%22">Rapid prototyping</searchLink><br /><searchLink fieldCode="DE" term="%22Modular+design%22">Modular design</searchLink>
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  Data: In this study, a novel hydrocyclone design was developed featuring a variable inlet geometry, which enables adjustment of the inlet area during operation. This allows control over the flow velocity within the cyclone, thereby maintaining a constant tangential velocity despite changes in volumetric flow rate. The prototype demonstrated a constant separation efficiency across a volumetric flow range spanning a factor of two between its minimum and maximum capacities. Two control strategies were investigated: operation at constant pressure drop and operation at constant inlet velocity, both under varying flow rates and inlet geometries. To initially examine the influence of key parameters, hydrocyclones with fixed geometries were fabricated using rapid prototyping and employed in experimental trials. These findings informed the subsequent development and construction of a dynamically adaptive steel prototype capable of dynamic geometrically adjustment. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Chemical Engineering & Technology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/ceat.70154
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        Text: English
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        Type: general
      – SubjectFull: Inlets
        Type: general
      – SubjectFull: Machine separators
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      – SubjectFull: Mechanical efficiency
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              Text: Jan2026
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