Publications: (selected)

  • E. Al-Qattan, L. Beltrán, and W. Yan. 2017. "Hybrid Workstations: Establishing Interactive and Responsive User-Interfaces for Daylight Applications," Symposium on Simulation for Architecture and Urban Design, SimAUD 2017, Toronto, Canada (May 22-24, 2017).  Hybrid_workstations_2017_tEYOzO6.pdf (Icon 1.4 MB)
  • Z. Zomorodian, M. Azizkhani, and L. Beltrán.  2017. "Evaluation of Thermal and Visual Comfort in University Classrooms: The Cases of Two LEED Silver Certified Buildings on the Campus of Texas A&M University," Second International Conference on Energy and Indoor Environment for Hot Climates, Outdoor Cooling Technologies, Challenges, and Opportunities for the Hot Climates, Doha, Qatar (February 26-27, 2017).ASHRAE_Doha_Conference_2017.pdf (Icon 729.9 KB)
  • J. Wang, L. Beltrán. 2016. "Energy Performance of Future Dynamic Building Envelopes," 3rd IBPSA-England Conference BSO 2016, Great North Museum, Newcastle, UK (September 12-14, 2016). IBPSA_England_2016.pdf (Icon 710.3 KB)
  • J. Wang, L. Beltrán. 2016. “A Method of Energy Simulation for Dynamic Building Envelopes,” ASHRAE and IBPSA-USA SimBuild 2016, Building Performance Modeling Conference, Salt Lake City, UT (August 8-12, 2016).  ASHRAE-IBPSA_2016_osoYhTE.pdf (Icon 2.8 MB)
  • C. Kim, and L. Beltrán. 2015. “Solar Contraints and Potential in Urban Residential Buildings,” Proceedings of the 2015 Solar World Congress, Daegu, Korea (November 8-12, 2015). Solar_World_Congress_2015.pdf (Icon 5.0 MB)
  • H. Cai, K. Papamichael, M. Inanici, L. Beltrán, and D. Flores de Souza.  2015. “Application of High Dynamic Range Imaging in Daylighting Practice: An Outline for a Motion to Set Up a New HDRI Sub-Committee,” Illuminating Engineering Society Annual Conference, Indianapolis IN (November 8-10, 2015)HDRI_Daylight_IESNA_2015.pdf (Icon 189.6 KB)
  • L. Beltrán.  2014. “Using Sunlight as a Light Source in Building Cores,” 2014 Energy Forum: Advanced Building Skins, Bressanone, Italy (October 28-29).LBeltran_Energy_Forum_Bressanone_2014.pdf (Icon 641.8 KB)
  • J. Wang, L. Beltrán and J. Kim.  2014. “From Static to Kinetic: A Review of Acclimated Kinetic Building Envelope,” SOLAR 2014 Conference, San Francisco CA (July 6-10). SOLAR2012_0618_full paper.pdf (Icon 1.2 MB)
  • L. Beltrán. 2013. "Experimental Rotating Room for Daylighting Studies," 2013 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2013 AEDCEE), Bangkok, Thailand, (May 30-31).LBeltran_AEDCEE_2013.pdf (Icon 232.6 KB)
  • S. Attia, J. Hensen, L. Beltrán and A. De Herde.  2012.  “Selection criteria for building performance simulation tools: contrasting architects' and engineers' needs.”  Journal of Building Performance Simulation, Special Issue, 5:3, 155-169, 1–15, iFirst article, DOI: 10.1080/19401493.2010.549573.
  • J. Choi, L. Beltrán, and H. Kim.  2012. “Impacts of indoor daylight environments on patient average length of stay (ALOS) in a healthcare facility Building and Environment.” Journal Building and Environment, 50:4, 65–75. http://www.sciencedirect.com/science/article/pii/S0360132311003593Choi_Beltran_Kim-2012_CHD-KPS.pdf (Icon 164.3 KB)
  • S. Islam, and L. Beltrán.  2012. “A Study on Zoning Regulations' Impact on Ventilation Rate in Non-Conditioned Apartment Buildings in Dhaka City.” Published in the Proceedings of the WREF/ASES 2012 – World Renewable Forum, ASES National Solar Conference, Denver, CO (May 13-18).SOLAR2012_0160_full paper.pdf (Icon 495.9 KB)
  • J. Kim, L. Beltrán, and J. Wang.  2012. “A Review of Daylighting Qualities in Two Assisted Living Facilities in a Hot and Humid Climate.” Proceedings of the WREF/ASES 2012 – World Renewable Forum, ASES National Solar Conference, Denver, CO (May 13-18). SOLAR2012_0458_JKim.pdf (Icon 657.2 KB)
  • J. Fernández-Solis, R. Pathak, S. Levy, L. Beltrán, K. Son, and K. Kim.  2011. “Framework for Selecting Performance Assessment Tools for Achieving LEED 3.0 Credits.” Architectural Engineering and Design Management Journal, 7:4, 236-250. http://www.tandfonline.com/doi/abs/10.1080/17452007.2011.594577
  • S. Attia, L. Beltrán, A. De Herde and J. Hensen.  2009.  "Architects Friendly: A Comparison of Ten Different Building Energy Simulation Programs." Proceedings of IBPSA 2009, Building Simulation Conference, Glasgow, Scotland, pp. 204-211 (July 27-30). IBPSA_Glasgow_2009.pdf (Icon 282.0 KB)
  • L. Beltrán and K. Uppadhyaya.  2008.  "Displacing Electric Lighting with Optical Daylighting Systems," Proceedings of the 25th International Conference on Passive and Low Energy Architecture, PLEA 2008, Dublin, Ireland (October 22-24). PLEA_Beltran_Uppad_2008.pdf (Icon 1.5 MB)
  • L. Beltrán and B. Martins Mogo.  2007.  "New Developments of Optical Light Pipes for Deep-Plan Spaces."  Proceedings of the 24th International Conference on Passive and Low Energy Architecture, PLEA 2007, Singapore (November 22-24). LBeltran_PLEA_2007_Singapore.pdf (Icon 414.2 KB)
  • M. Alnuaimi and L. Beltrán.  2007.  "Lessons from Three Daylighting Systems used in Traditional Architecture of the United Arab Emirates."  Proceedings of the 24th International Conference on Passive and Low Energy Architecture, PLEA 2007, Singapore (November 22-24). AlNuaimi_Beltran_PLEA_2007.pdf (Icon 2.5 MB)
  • S. Harntaweegonsa and L. Beltrán.  2006.  "Daylighting Performance of Toplighting Systems in the Hot and Humid Climate of Thailand."  Proceedings of the 2006 National Solar Conference, Denver, CO (July 8-13).ASES2006_0051_Siritip.pdf (Icon 240.8 KB)
  • S. Harntaweegonsa and L. Beltrán.  2006.  "Thermal Performance of Toplighting Systems in a Hot and Humid Climate: Thailand."  Proceedings of the iNTA Conference 2006, Jogjakarta, Indonesia (April 3-5). iNTA_2006_Siritip.pdf (Icon 168.6 KB)
  • L. Beltrán and B. Martins Mogo.  2005.  "Assessment of Luminance Distribution Using HDR Photography."  Proceedings of ISES Solar World Congress 2005, Orlando, Florida (August 7-12). LBeltran_ISES_2005.pdf (Icon 225.0 KB)
  • L. Beltrán, U. Atre, C. Chongcharoensuk and B. Martins Mogo.  2004.  “Evaluating the Daylighting Performance of Museum Galleries.”  Proceedings of the Solar 2004, 29th National Passive Solar Energy Conference, American Solar Energy Society, Portland, Oregon, pp. 921-926 (July). LBeltran_ASES_2004.pdf (Icon 397.3 KB)
  • L. Beltrán.  2003.  “Lighting a Museum.”  Proceedings of the Solar Energy for a Sustainable Future ISES 2003 Solar World Congress, Goteborg, Sweden (June).LBeltran_ISES_2003.pdf (Icon 288.8 KB)
  • R. Sullivan, L. Beltrán, E. Lee, M. Rubin and S. Selkowitz.  1998.  "Energy and Daylighting Performance of Angular Selective Glazing."  Proceedings of the ASHRAE-DOE-BTECC Conference on Thermal Performance of the Exterior Envelopes of Buildings VII, Clearwater Beach, Florida, pp. 319-328 (December).lbnl-41694.pdf (Icon 155.4 KB)
  • E. Lee, L. Beltrán and S. Selkowitz.  1996.  "Demonstration of a Light-Redirecting Skylight System at the Palm Springs Chamber of Commerce."  Proceedings of the ACEEE 1996 Summer Study on Energy Efficiency in Buildings: Profiting from Energy Efficiency, Asilomar, Pacific Grove, California, pp. 4.229-4.240 (August),Asia-Pacific_Conference_Choi-Beltran_2004.pdf (Icon 337.7 KB)
  • L. Beltrán, E. Lee and S. Selkowitz.  1997.  "Advanced Optical Daylighting Systems: Light Shelves and Light Pipes." Journal of the Illuminating Engineering Society, Volume 26, No. 2, Summer, pp. 91-106. Advanced Optical Daylighting Systems Light Shelves and Light Pipes_LBeltran.pdf (Icon 3.1 MB)
  • E. Lee, L. Beltrán and S. Selkowitz.  1996.  "Demonstration of a Light-Redirecting Skylight System at the Palm Springs Chamber of Commerce."  Proceedings of the ACEEE 1996 Summer Study on Energy Efficiency in Buildings: Profiting from Energy Efficiency, Asilomar, Pacific Grove, California, pp. 4.229-4.240 (August).Demonstration_of_a_light-redirecting_skylight_syst.pdf (Icon 3.2 MB)
  • E. Lee, S. Selkowitz, F. Rubinstein, J. Klems, L. Beltrán and D. DiBartolomeo.  1994.  "A Comprehensive Approach to Integrated Envelope and Lighting Systems for New Commercial Buildings." Proceedings of the ACEEE 1994 Summer Study on Energy Efficiency in Buildings, Building Tomorrow:  The Path to Energy Efficiency, Asilomar Conference Center, Pacific Grove, California, pp. 3.117-3.127 (August). Integrated_Envelope_LBNL.pdf (Icon 885.2 KB)
  • L. Beltrán, E. Lee, K. Papamichael and S. Selkowitz.  1994.  "The Design and Evaluation of Three Advanced Daylighting Systems:  Light Shelves, Light Pipes, and Skylights." Proceedings of the Solar 94, 19th National Passive Solar Conference, San Jose, California, pp. 229-234 (June).The_design_and_evaluation_of_three_advanced_daylig.pdf (Icon 721.9 KB)
  • K. Papamichael, L. Beltrán, R. Furler, E. Lee, S. Selkowitz and M. Rubin.  1994.  "Simulating the Energy Performance of Holographic Glazings."  Proceedings of the SPIE's (International Society for Optical Engineering) International Symposium on Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIII, Freiburg, Germany, pp. 763-771 (April).Holographic_LBNL_1994.pdf (Icon 829.6 KB)
  • K. Papamichael, L. Beltrán, R. Furler, E. Lee, S. Selkowitz and M. Rubin.  1993.  "The Energy Performance of Prototype Holographic Glazing."  Building Technologies Program, Energy and Environment Division, LBL Report 34367, Lawrence Berkeley National Laboratory (February).Holographic_LBNL_Papamichael-Beltran.pdf (Icon 2.1 MB)
  • K. Papamichael and L. Beltrán.  1993.  "Simulating the Daylight Performance of Fenestration Systems and Spaces of Arbitrary Complexity:  The IDC Method."  Proceedings of Building Simulation 1991 Conference (IBPSA), Adelaide, Australia, pp. 509-515. IDC_Method_LBNL.pdf (Icon 1.2 MB)
  • J. Schuman, F. Rubinstein, K. Papamichael, L. Beltrán, E.S. Lee and S. Selkowitz.  1992.  "Technology Reviews:  Daylighting Optical Systems.", part of Envelope and Lighting Technology to Reduce Electric Demand, for the California Institute of Energy Efficiency.  LBL Report 33203, Lawrence Berkeley National Laboratory (September). LBNL_Technology_Review_Optical_Systems.pdf (Icon 2.0 MB)