Articles | Volume 5, issue 2
Wind Energ. Sci., 5, 745–758, 2020
https://doi.org/10.5194/wes-5-745-2020
Wind Energ. Sci., 5, 745–758, 2020
https://doi.org/10.5194/wes-5-745-2020

Research article 16 Jun 2020

Research article | 16 Jun 2020

Experimental investigation of aerodynamic characteristics of bat carcasses after collision with a wind turbine

Shivendra Prakash and Corey D. Markfort

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Cited articles

Arnett, E. B.: Relationship between bats and wind turbines in Pennsylvania and West Virginia: An assessment of fatality search protocols, patterns of fatality, and behavioral interactions with wind turbines, A Final report prepared for the Bats and Wind Energy Cooperative, Bat Conservation International, Austin, Texas, USA, 2005. 
Arnett, E. B., Huso, M. M. P., Hayes, J. P., and Schirmacher, M.: Effectiveness of changing wind turbine cut-in speed to reduce bat fatalities at wind facilities, An annual report submitted to the Bats and Wind Energy Cooperative and the Pennsylvania Game Commission, Bat Conservation International, Austin, Texas, USA, 2010. 
Arnett, E. B., Baerwald, E. F., Mathews, F., Rodrigues, L., Rodríguez-Durán, A., Rydell, J., Villegas-Patraca, R., and Voigt, C. C.: Impacts of wind energy development on bats: a global perspective, in: Bats in the Anthropocene: Conservation of bats in a changing world, Springer International Publishing AG, Cham, Switzerland, 295–323, https://doi.org/10.1007/978-3-319-25220-9_11, 2016. 
Biswas, S., Taylor, P., and Salmon, J.: A model for ice throw trajectories from wind turbines, Wind Energy, 15, 889–901, https://doi.org/10.1002/we.519, 2011. 
Chapra, S. C. and Canale, R. P.: Numerical methods for engineers, 6th edn., McGraw-Hill, New York, USA, 2010. 
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Short summary
Bat carcass surveys guided by likely fall zone distributions require accurate descriptions of carcass aerodynamics. This research introduces a new methodology resulting in the first direct measurements of bat carcass drag coefficients. The drag coefficient for three carcasses of three different species was found to be within a range of 0.70–1.23, with a terminal velocity between 6.63 and 17.57 m s−1. This information is useful for assessing the impact of wind farm projects on wildlife.