In situ characterization of solar flat plate collectors under intermittent operation

Dynamic solar collector performance testing

Julius Muschaweck, W. Spirkl · Solar Energy Materials and Solar Cells · 1993 · 41 citations

Agriculture, Electrical Engineering, Performance Assessment +8

Dynamic Solar Domestic Hot Water Testing

W. Spirkl · Journal of Solar Energy Engineering · 1990 · 21 citations

Engineering, Environmental Engineering, Environmental Modeling +13

The use of parameter identification for flat-plate collector testing under non-stationary conditions

M. Bosanac, A. Brunotte, W. Spirkl et al. · Renewable Energy · 1994 · 16 citations

Engineering, Electrical Engineering, Instrumentation +3

Parameter fitting in grazing incidence x-ray reflectometry

W. Spirkl · Journal of Applied Physics · 1993 · 11 citations

Natural Sciences, Materials Engineering, Materials Science +17