Special Issue "Turbulent Flows at Solid and Free Surface Boundaries in Memory of William W. Willmarth"

A special issue of Fluids (ISSN 2311-5521). This special issue belongs to the section "Turbulence".

Deadline for manuscript submissions: 31 March 2021.

Special Issue Editor

Prof. Dr. Timothy Wei
Guest Editor
Dept. of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA
Interests: swimming; vascular flows; bacterial biofilms; cerebral-spinal flows; phonation; papermaking; turbulent boundary layers; drag reduction; wake flows

Special Issue Information

Dear Colleagues,

Bill Willmarth, or W3, was a pioneer in near wall turbulent boundary layer measurements. He was one of the first to make highly resolved measurements of wall pressure fluctuations. He also made hot-wire and LDV measurements with a resolution smaller than a viscous length. Much of what is known about about coherent structures in TBLs finds its roots in work from this era. He later extended his scope to turbulence at free surfaces.

This special issue honors Bill’s legacy by focusing on advances in the structure and dynamics of bounded turbulent shear flows into the 21st century. With invited contributions from premier researchers in the field, the goal of this issue is to show how wide and rich the field continues to be. Submissions are solicited that will highlight the state-of-the-art and chart future directions in the field. Papers broadly related turbulence generated at a solid or free surface boundary are welcome.

Prof. Dr. Timothy Wei
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fluids is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • turbulence
  • boundary layers
  • coherent structures
  • shear flows
  • free surface
  • vorticity
  • drag
  • mixing

Published Papers

This special issue is now open for submission.
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