Enhanced wind-farm performance using windbreaks

Liu, L.; Stevens, R.J.A.M.

doi:10.1103/PhysRevFluids.6.074611

Publication 88 · Wind-farm flow

Enhanced wind-farm performance using windbreaks

L. Liu, R.J.A.M. Stevens, Phys. Rev. Fluids 6, 074611 (2021).

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Main finding

Low windbreaks (h/z_h=0.12) increase total six-row farm power by about 10–14% and first-row power by about 20–25% across the tested distances. Intermediate windbreaks (h/z_h=0.24) can produce larger gains at close placement but become strongly distance dependent; high windbreaks (0.36–0.48) often reduce total farm power.

Farm and first-row power against windbreak distance for four windbreak heights — **How to read the figure.** Power relative to the case without windbreaks, against the windbreak's distance upstream. (a) Whole-farm power; (b) first-row power. The lowest windbreak raises farm power by roughly 10-15% at every distance tested, while the two tallest reduce it. Intermediate heights gain most at close placement and fall away as distance grows. Open the full-resolution figure. Figure 5. L. Liu and R.J.A.M. Stevens (2021). No separate licence is stated here; consult the original publication and credited source before reuse.

Why this matters

Supports conditional finite-farm gains from low porous barriers and rejects single-turbine optimization as sufficient.

Research context

Supports conditional finite-farm gains from low porous barriers and rejects single-turbine optimization as sufficient.

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