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Click below to download the latest version of the software. You can use WindRose freely, if you analyze data that do not exceed 1-month. To analyze larger sets of data (>1-month) you must purchase a license.
Important notes
When opening WindRose.xls(m)file, Excel displays a security warning, asking whether or not to enable WindRose's macros. The software will run in both cases, but functionality is reduced with macros disabled. If you want to avoid these warnings, check the following links, depending the version of the Excel 2003, 2007, 2010.
WindRose fails to install in the 64bit version of MS-Office 2010 (because of this Microsoft bug) and a workaround is currently investigated. However, it runs OK in both 32bit & 64bit versions of Windows.
Version History
v4.15-6.08 Mar. 12, 2013
- Wind data analysis:
- Added a new table in the 'Input' sheet in order to exclude specific time-periods.
- Added a new 'Advanced Option' for de-trending turbulence intensities.
- Modified the format of Start and Stop dates (Input sheet) to accept hours, minutes, seconds for accurate data availability calculations.
- Improved the warnings/errors overview after running the program. - Correlations:
- Corrected the time-step of the predicted series when correlating time-series with different time-steps (ie: 10min and 1h).
v4.12-6.07 Nov. 22, 2012
- Wind data analysis: Added several new 'Advanced Options' :
- possibility to distinguish an absolute calm from a "frozen" anemometer when temperature is also recorded
- possibility to reject data depending on the ratio (Umax-Umin)/Usdv for each anemometer
- if σDIR is measured, its polar variation is plotted and its per height variation is examined in order to detect errors, when several vanes are present.
- if time-series contain turbulence intensities (instead of Usdv), then when assigning the Usdv column number (Input Sheet) "ti" should be added right after (i.e.: 12ti). - Correlations:
- Several new graphs are created (i.e.: wind speed and direction raw data per each dir. sector, wind speed distributions and wind roses both for initial and overlapped periods).
- Now, the uncertainty of the correlation/prediction is calculated based on the standard error of the regression (for each wind speed bin and dir.sector). - Several minor improvements and bug fixes (e.g.: imports correctly from old WindRose sheets, etc)
- A new Sheet TScheck is created automatically with several graphs providing information about the time-series quality.
- Easy location of periods with high/low correlations, thanks to a new plot displaying the daily correlation results (WindCorr sheet).
- Added characteristic and representative turbulence intensities calculation (Tables sheet).
- Now, the 'Advanced Options' menu is part of the Input sheet (as a separate table).
- Added the time percentage a WT needs to produce 50% (or other) of its total energy (Results sheet).
- Several minor improvements and bug fixes.
Older versions.
v3.89-5.93 Jul. 20, 2010
v3.88-5.89 Dec. 8, 2009
v3.83-5.86 Jul. 7, 2009
v3.62-5.72 Mar. 12, 2008