Wind Energy Science
Wind Energy Science
WES
Articles | Volume 11, issue 2
Articles | Volume 11, issue 2
https://doi.org/10.5194/wes-11-619-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-11-619-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 2
Peer-reviewed comment
 | 
19 Feb 2026
Peer-reviewed comment |  | 19 Feb 2026

Comment on “Glauert's optimum rotor disk revisited – a calculus of variations solution and exact integrals for thrust and bending moment coefficients” by Tyagi and Schmitz (2025)

J. Gordon Leishman

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Short summary

This comment clarifies the behavior of the one-dimensional momentum model used by Tyagi and Schmitz in the high- and low-tip-speed-ratio limits, explains the torque–power constraint in the limit λ→∞, states where model assumptions do not hold when equations are continued outside their domain, and notes reproducibility and citation issues.

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