Thomas Lewis

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Questions related from Thomas Lewis

Where can I get data on direct solar irradiation as 1) a spectral analysis as 2) a time series (e. g. for Middle Europe)?

The following intro does not relate to measurement data. I have since some years the physical impression the direct solar irradiation on the skin stinges more than ever(Austria). This may have...

07 July 2025 1,461 0 View

Which information/projects are there about 'cold attics' above concrete ceilings?

According to my literature search a lot has been written about moisture problems in so called "cold attics" (not conditioned, that is, in particular not heated), mostly in Scandinavia, including...

10 August 2020 9,122 0 View

How to long-term monitor in situ tiny air flows and velocities in small channels, creeps?

Is there besides tracer gas any recommended method for measuring (not only detecting) small air flows? Or is this an open field of research? So focus is on both - small volume flows combined with...

01 January 1970 5,787 4 View