• Frederiksborgsvej, 125, S19

    4000 Roskilde

    Denmark

1991 …2023

Research output per year

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Research Output

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Conference abstract in proceedings
2017

A classical model wind turbine wake “blind test” revisited by remote sensing lidars

Sjöholm, M., Angelou, N., Nielsen, M. B., Mühle, F. V., Sætran, L. R., Bolstad, H. C., Mann, J. & Mikkelsen, T. K., 2017, WESC2017 - DTU Copenhagen 2017, Book of abstracts. 1 p. 207

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
200 Downloads (Pure)
2012

First measurements by the DTU wind energy short range windscanner

Sjöholm, M., Angelou, N., Hansen, K. H., Mann, J. & Mikkelsen, T., 2012, Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
File
136 Downloads (Pure)
2011

Conclusions of the Bolund Experiment and Blind Comparison

Bechmann, A., Sørensen, N. N., Berg, J., Mann, J. & Réthoré, P-E. M., 2011, Proceedings.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
95 Downloads (Pure)

Laser Doppler scanners for measuring flow over terrain

Mann, J., Mikkelsen, T. & Courtney, M., 2011, Proceedings.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
98 Downloads (Pure)

Laser remote sensing for wind energy

Mann, J., 2011, Proceedings. European Wind Energy Association (EWEA)

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
303 Downloads (Pure)

Micro- and meso-scale effects of forested terrain

Dellwik, E., Mann, J., Sogachev, A. & Hahmann, A. N., 2011, Proceedings. European Wind Energy Association (EWEA)

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
61 Downloads (Pure)
2010

The Bolund Experiment

Bechmann, A., Berg, J., Courtney, M., Ejsing Jørgensen, H., Mann, J. & Sørensen, N. N., 2010, Presentations. Roskilde: Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, p. 33-71 162 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1745(EN)).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
137 Downloads (Pure)
2009

Do wind farms influence large scale turbulence?

Larsen, G. C., Mann, J., Ighil, T. A. & Mouritzen, A. S., 2009, Extended Abstracts. Crespo, A., Larsen, G. C. & Migoya, E. (eds.). Universidad Politécnica de Madrid, p. 38-40 95 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

LiDAR measurements of full scale wind turbine wake characteristics

Hansen, K. S., Larsen, G. C., Mann, J. & Enevoldsen, K., 2009, Extended Abstracts for Euromech Colloquium 508: Wind Turbine Wakes. Industriales Universidad Politechnica de Madrid: Sección de Publiaciones de la Escuela Téchnica Superior de Ingenieros Industriales. Universidad Politechnica de Madrid., p. 55-56 95 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

The Bolund experiment: Overview and background

Bechmann, A., Berg, J., Christiansen, L. C., Courtney, M., Johansen, J., Ejsing Jørgensen, H., Mann, J., Mogensen, S. H. & Sørensen, N. N., 2009, EWEC 2009 Proceedings online. EWEC, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
234 Downloads (Pure)

The dependence of wake losses on atmospheric stability characteristics

Larsen, G. C., Larsen, T. J., Aagaard Madsen, H., Mann, J., Pena Diaz, A., Barthelmie, R. J. & Jensen, L., 2009, Extended Abstracts. Crespo, A., Larsen, G. C. & Migoya, E. (eds.). Universidad Politécnica de Madrid, p. 35-37 95 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Wind and turbulence at a forest edge

Dellwik, E., Bingöl, F., Mann, J. & Sogachev, A., 2009, EWEC 2009 Proceedings online. EWEC

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Open Access
File
121 Downloads (Pure)
2008

Applying canopy flow model for estimation of wind turbine wake

Sogachev, A., Ejsing Jørgensen, H., Mann, J., Frandsen, S. T. & Ott, S., 2008, Eos Transactions AGU. American Geophysical Union, Vol. 89, no. 53 Fall Meeting Supplement. p. A21E-0228

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Fetch requirements for CO2 fluxes measured behind a forest edge: A modelling study

Sogachev, A., Dellwik, E., Mann, J. & Vesala, T., 2008, Proceedings. Reykjavik: NECC and BACCI Nordic Centres of Excellence, p. 20-21

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

LIDAR measurement and modelling of wind turbine far-wake dynamics

Trujillo, J-J., Bingöl, F., Mann, J., Larsen, G. C. & Kühn, M., 2008, Book of abstracts. DEWI, p. 17-17

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Remote sensing of the 3D wind and turbulence field by coherent Doppler lidars for wind power applications

Sjöholm, M., Courtney, M., Enevoldsen, K., Lindelöw, P. J. P., Mann, J. & Mikkelsen, T., 2008, Eos Transactions AGU. American Geophysical Union, Vol. 89, no. 53 Fall Meeting Supplement. p. A11H-02

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

2006

Fast laser doppler wake measurements

Mann, J., Bingöl, F., Ejsing Jørgensen, H., Mikkelsen, T., Larsen, G. C., Coffey, A. & Harris, M., 2006, Proceedings (online). Brussels: European Wind Energy Association (EWEA)

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Larger scales of wind speeds

Sørensen, P. E., Mann, J. & Schmidt Paulsen, U., 2006, Geophysical Research Abstracts. Vol. 8. (Geophysical Research Abstracts).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

193 Downloads (Pure)
2005

A tool for calculation of site specific wind conditions

Ejsing Jørgensen, H., Nielsen, M., Jørgensen, E., Mann, J., Frandsen, S. & Landberg, L., 2005, Wind energy: Connecting customers to clean power today. Proceedings (CD-ROM). Washington, DC: American Wind Energy Association (AWEA)

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Profiles of mean wind and turbulence in the atmospheric boundary layer above the surface layer

Larsen, S. E., Gryning, S-E., Jensen, N. O., Ejsing Jørgensen, H. & Mann, J., 2005, [Program and abstracts]. Oldenburg: ForWind - Center for Wind Energy Research, 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Simulation of turbulence, gusts and wakes for load calculations (invited talk)

Mann, J., 2005, [Program and abstracts]. Oldenburg: ForWind - Center for Wind Energy Research, 26 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Wakes within and downwind of large offshore wind farms

Barthelmie, R. J., Frandsen, S., Pryor, S. C. & Mann, J., 2005, Geophys. Res. Abstr. (CD-ROM). Vol. 7.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Wind farm power fluctuations

Sørensen, P., Mann, J., Paulsen, U. S. & Vesth, A., 2005, [Program and abstracts]. Oldenburg: ForWind - Center for Wind Energy Research, 29 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

2003

An experimental test of Corrsin's independence hypothesis and related assumptions

Mann, J. & Ott, S., 2003, BACCI. Roskilde: Risø National Laboratory, p. 31-32

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Turbulent particle flux to a perfectly absorbing surface

Pecseli, H. L., Mann, J., Ott, S. & Trulsen, S., 2003, BACCI. Roskilde: Risø National Laboratory, p. 33-34

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

2000

WAsP engineering

Mann, J., 2000, Vind, hav og maskiner. København: Energistyrelsen

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

1999

3D particle tracking - measurements on turbulence

Andersen, J. S., Ott, S. & Mann, J., 1999, Programme. Abstracts. List of participants. København: HCØ Tryk

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

1995

An objective method for flux aggregation over inhomogeneous surfaces

Jensen, N. O. & Mann, J., 1995, International Union of Geodesy and Geophysics. 21. General assembly. Abstracts week A: Geophysics and the environment. Boulder, CO: IUGG

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch