Stephen Wittkopf
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Analytical performance monitoring of a 142.5 kWp grid-connected rooftop BIPV system in Singapore
S Wittkopf, S Valliappan, L Liu, KS Ang, SCJ Cheng
Renewable Energy 47, 9-20, 2012
Solar heat gain coefficient measurement of semi-transparent photovoltaic modules with indoor calorimetric hot box and solar simulator
F Chen, SK Wittkopf, PK Ng, H Du
Energy and Buildings 53, 74-84, 2012
Color rendering properties of semi-transparent thin-film PV modules
N Lynn, L Mohanty, S Wittkopf
Building and Environment 54, 148-158, 2012
Analysing sky luminance scans and predicting frequent sky patterns in Singapore
SK Wittkopf, LK Soon
Lighting Research & Technology 39 (1), 31-51, 2007
Performance of Anidolic Daylighting Systems in tropical climates–Parametric studies for identification of main influencing factors
F Linhart, SK Wittkopf, JL Scartezzini
Solar Energy 84 (7), 1085-1094, 2010
Daylight performance of anidolic ceiling under different sky conditions
SK Wittkopf
Solar Energy 81 (2), 151-161, 2007
Prediction of energy savings with anidolic integrated ceiling across different daylight climates
SK Wittkopf, E Yuniarti, LK Soon
Energy and buildings 38 (9), 1120-1129, 2006
Three approaches to optimize optical properties and size of a South-facing window for spatial Daylight Autonomy
T Kazanasmaz, LO Grobe, C Bauer, M Krehel, S Wittkopf
Building and Environment 102, 243-256, 2016
Summer condition thermal transmittance measurement of fenestration systems using calorimetric hot box
F Chen, SK Wittkopf
Energy and Buildings 53, 47-56, 2012
Ray tracing study for non-imaging daylight collectors
S Wittkopf, LO Grobe, D Geisler-Moroder, R Compagnon, J Kämpf, ...
Solar Energy 84 (6), 986-996, 2010
Testing a design methodology for building integration of photovoltaics (PV) using a PV demonstration site in Singapore
V Kosoric, S Wittkopf, Y Huang
Architectural Science Review 54 (3), 192-205, 2011
An out-of-core photon mapping approach to daylight coefficients
R Schregle, LO Grobe, S Wittkopf
Journal of Building Performance Simulation 9 (6), 620-632, 2016
Simulation of reflected daylight from building envelopes
X Yang, L Grobe, W Stephen
Progressive photon mapping for daylight redirecting components
R Schregle, L Grobe, S Wittkopf
Solar Energy 114, 327-336, 2015
Outdoor illuminance levels in the tropics and their representation in virtual sky domes
S Darula, R Kittler, SK Wittkopf
Architectural Science Review 49 (3), 301-313, 2006
A method to construct Virtual Sky Domes for use in standard CAD-based light simulation software
SK Wittkopf
Architectural Science Review 47 (3), 275-286, 2004
Experimental validation of bidirectional reflection and transmission distribution measurements of specular and scattering materials
LO Grobe, S Wittkopf, P Apian-Bennewitz, JC Jonsson, M Rubin
Photonics for Solar Energy Systems III 7725, 256-274, 2010
Quantitative evaluation of BIPV visual impact in building retrofits using saliency models
R Xu, S Wittkopf, C Roeske
Energies 10 (5), 668, 2017
Robust pose estimation for outdoor mixed reality with sensor fusion
Z Zhou, J Karlekar, D Hii, M Schneider, W Lu, S Wittkopf
Universal Access in Human-Computer Interaction. Applications and Services …, 2009
Annual daylight simulations with EvalDRC–Assessing the performance of daylight redirection components
C Bauer, S Wittkopf
Journal of Facade Design and Engineering 3 (3-4), 253-272, 2015
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