| Analytical performance monitoring of a 142.5 ákWp grid-connected rooftop BIPV system in Singapore S Wittkopf, S Valliappan, L Liu, KS Ang, SCJ Cheng Renewable Energy 47, 9-20, 2012 | 218 | 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 | 134 | 2012 |
| Color rendering properties of semi-transparent thin-film PV modules N Lynn, L Mohanty, S Wittkopf Building and Environment 54, 148-158, 2012 | 110 | 2012 |
| Analysing sky luminance scans and predicting frequent sky patterns in Singapore SK Wittkopf, LK Soon Lighting Research & Technology 39 (1), 31-51, 2007 | 77 | 2007 |
| 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 | 72 | 2016 |
| Summer condition thermal transmittance measurement of fenestration systems using calorimetric hot box F Chen, SK Wittkopf Energy and Buildings 53, 47-56, 2012 | 69 | 2012 |
| 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 | 69 | 2010 |
| Daylight performance of anidolic ceiling under different sky conditions SK Wittkopf Solar Energy 81 (2), 151-161, 2007 | 68 | 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 | 66 | 2006 |
| 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 | 48 | 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 | 33 | 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 | 27 | 2016 |
| Progressive photon mapping for daylight redirecting components R Schregle, L Grobe, S Wittkopf Solar Energy 114, 327-336, 2015 | 27 | 2015 |
| Simulation of reflected daylight from building envelopes X Yang, L Grobe, W Stephen | 27 | 2013 |
| 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 | 26 | 2010 |
| Quantitative evaluation of BIPV visual impact in building retrofits using saliency models R Xu, S Wittkopf, C Roeske Energies 10 (5), 668, 2017 | 23 | 2017 |
| 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 | 21 | 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 | 21 | 2004 |
| Industrial data-based life cycle assessment of architecturally integrated glass-glass photovoltaics J Park, D Hengevoss, S Wittkopf Buildings 9 (1), 8, 2018 | 18 | 2018 |
| 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 | 18 | 2015 |