[Bldg-sim] Wind driven rain data

[Joe Huang]

Luis,

Thanks for the tip.  I went to the link, which by the way is for the Irish Meteorological 
Service,  and read that it said, "The amount of rain received by a wall correlates fairly 
well with the product of rainfall and the component of the wind speed normal to the wall. 
This led Lacy and Shellard to propose the product of the mean annual rainfall and the mean 
annual wind speed as a driving rain index which is proportional to the total rainfall 
driven in one year on to a vertical surface always facing the wind",  which is 
functionally quite close to what I was envisioning, i.e., WDR = LP * f(wspd, wdir),  where 
LP is Liquid Precipitation or Rainfall. However, when I clicked on the link to the actual 
paper cited,  the Meteireann web site responded that  "404: Page not found".  Therefore, I 
still don't know the function that converts LP or rainfall to WDR.

Joe

Joe Huang
White Box Technologies, Inc.
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Moraga CA 94556
yjhuang at whiteboxtechnologies.com
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On 7/4/2018 2:30 PM, Luis Miguel Blanes Restoy wrote:
> Hi Roel and Joe
>
> Did you look at available data from Met Eireann? There is a paper regarding WDR index 
> calculation method that may be of your interest. See below link.
>
> https://www.met.ie/climate/what-we-measure/rainfall#
>
> Regards
> Luis
>
>
> On Wed 4 Jul 2018, 22:12 Joe Huang via Bldg-sim, <bldg-sim at lists.onebuilding.org 
> <mailto:bldg-sim at lists.onebuilding.org>> wrote:
>
>     What is your definition for Wind-driven Rain? Practically all weather station
>     reports, including official stations available in NOAA's ISD as well as unofficial
>     "Personal Weather Stations" hosted on WeatherUnderground, contain information on
>     liquid precipitation (LP), wind speed, and wind direction. Can the WDR be calculated
>     from these standard parameters, maybe as the LP * f(wspd, wdir) ?
>
>     Joe
>
>     On 7/4/2018 3:52 AM, Roel Tersteeg via Bldg-sim wrote:
>>
>>     Dear all,
>>
>>     For the verification of a model to estimate wind driven rain (WDR) I would like to
>>     use WDR data from different microclimates (rural, (sub)urban). I have access to
>>     several data sets of free field or airfield WDR measurements from different
>>     locations and the results from a measurement campaign in Vancouver. To better
>>     evaluate the model I would like to use measured data from one or more locations
>>     with different microclimates, not being free field or airfield sites.
>>
>>     My question is if someone knows if measurements are available of wind driven rain
>>     in one or more microclimates?
>>
>>     Kind regards,
>>
>>     Roel Tersteeg MSc
>>
>>     PhD-student
>>
>>     Building Energy Research Group
>>
>>     School of Architecture, Building and Civil Engineering
>>
>>     Loughborough University
>>
>>     T: +44 77 56 10 90 54
>>
>>     E: R.M.Tersteeg at lboro.ac.uk <mailto:R.M.Tersteeg at lboro.ac.uk>
>>
>
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