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Wilfried Pohl, Bartenbach GmbH, Aldrans (AT) “Visual comfort, well-being and health in daylit spaces”

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The Future Envelope 12
Interreg IT-AU FACEcamp project
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Conference on Building Envelopes
20-21 May 2019, NOI Techpark, Bolzano (Italy)
"It’s all about performances".

Published in: Technology
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Wilfried Pohl, Bartenbach GmbH, Aldrans (AT) “Visual comfort, well-being and health in daylit spaces”

  1. 1. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano The Future Envelope 12 It’s all about performances Visual Comfort, Well-being and Health in Daylit Spaces Wilfried Pohl Bartenbach GmbH
  2. 2. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Light and Humans „Light is the medium of seeing and the soul. It affects the rhythm of life, the mood and the performance of the human.“ Prof. Dr. h.c. Christian Bartenbach
  3. 3. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano health visual and cognitive performance lighting with natural daylight connected to nature comfort Light and Humans
  4. 4. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano emotion visual response non visual response • visual conditions • mood / emotion • mental performance • physiological processes • well-beeing/health • most important Zeitgeber Light is together with air and water a basic and unreplacable nourishment of mankind and nature ! Light and Humans
  5. 5. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano daylight fire daylight fireplaces torches oil lamps candles gas petroleum electric Light and Humans
  6. 6. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Natürliche Rhythmen spring summer autum winter Day or night, summer or winter: light determines the rhythms of all life - including those of man: In the course of evolution, he adapted to it and developed an internal clock. Light and Humans
  7. 7. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Die innere Uhr (circadianer Rhythmus) Biological light effects daytime nighttime Daylight controls the internal clock serotonin release Sunshine and high vertical light levels stimulate the production of serotonin Serotonin increases motivation and affects well-being Melatonin release white light suppresses the release of melatonin and thus disturbs the sleep-wake cycle of humans The hormone melatonin controls sleep and regeneration The internal clock controls physiological processes which is responsible for the daily activation and regeneration.
  8. 8. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Daylight controls the internal clock The internal clock controls physiological processes which is responsible for the daily activation and regeneration. CIRCADIANE RHYTHM Humans have internalized the rhythm of day and night Cortisol Attention Melatonin Body temperature Time of day Circadian rhythm
  9. 9. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano clear sky with sunlight cloudy sky artificial light - office Illuminances outdoor - indoor Cloudy sky Indoor illumination (norm) Clear sky with sunlight time of day (working hours)
  10. 10. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Light-Therapy z.B. 10.000lx - half an hour Lack of light causes SAD
  11. 11. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Neurophysiological background Visual path Non-visual path
  12. 12. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Health effects • Medical Science deals with deseases • Health: • absent of desease • “Health is a state of complete physical, mental and social well- being and not merely the absence of disease or infirmity.” (WHO) • Cause > effect: • no monocausal effects • cause > effect relation • replaced by risk factors (statistics) • Technical & nature science: • uses mathematical models (metrics) • Lighting health effects: • Mathematical model of health effects ? • Metrics ?
  13. 13. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano factors: harmful substances, trauma, virus, light Environmental factors, protective factors (motion, vitamine, living habits) age sex individual biography outcome-parameter (e.g. illness) Complex interaction of 1014 cells, organ systems and just as much microorganisms
  14. 14. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Non-visual light impacts • Night time approach: Avoiding of harmful effects of light during the night time • Melatonin suppression • Minimisation of the blue light component • Adjusted intensity at night time • Preventing of long-term disturbance of the circadian rhythm scientifically proven • Day time approach: Increasing the positive impacts of light in the daytime • Increased intensity at daytime • Usage of cold white lighting • Supporting the daylight • Positive health impact is scientifically only vague proven "Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.“ (WHO)
  15. 15. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Physics Psychology Seeing is a mental process
  16. 16. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Visual performance - contrast sensitivity
  17. 17. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Contrast Sensitivity Environmentluminance[cd/m²] Infield luminance [cd/m²] Visual performance - contrast sensitivity
  18. 18. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Luminances in the field of view
  19. 19. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Daylighting Requirements Visual ▪ amount of daylight/daylight distribution: guide daylight into the depth of the building ▪ glare protection: provide visual comfort ▪ view to the outside: allow a good contact to the outside Non-visual effects: ▪ Sleepiness / Alertness (circadian) ▪ Cognition ▪ Mood Energetic ▪ shade the solar heat in summer ▪ provide solar gains in winter
  20. 20. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Use of Daylight
  21. 21. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Use of Daylight
  22. 22. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Integrated lighting control scheme Need for an integral control for day- and artificial light Consideration of • Visual and melanopic needs • Intelligent sensor technology • Interface human – machine • Energy demands
  23. 23. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Control specifications Visual Criteria: • mean window luminance ≤ 1000 cd/m² • maximal window luminance ≤ 3000 cd/m² • Illuminance at eye ≤ 1000 lux
  24. 24. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Control specifications Emotional criteria: Evaluation of look through (e.g. acc. DIN 14501 oder Konstantzos et al., 2015)
  25. 25. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Control specifications 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 0 200 400 600 800 1000 1200 1400 bewerteteTageslichtdosis[blxh] Ev am Auge bewertet [blx] Bewertungsmodell nichtvisuelle Taglichtwirkung Tagesdosis unbewertet (Referenz) Tagesdosis Modell-bewertet 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 0 200 400 600 800 1000 1200 1400 EvamAugebewertet[blx] Ev am Auge [lx] Bewertungsmodell nichtvisuelle Taglichtwirkung unbewertet (Referenz) Modell-bewertet Non-visual criteria: • Vertikal illuminance at eye evaluated with model • Weighted light dose: aim: D ≥ 5000wlxh (weighted lux * hours)
  26. 26. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano 6% to 18% better work performance Memory test and test for mental functions Work performance of office workers (Heschong Mahone Group) Standardized tests on students and pupils performance Reduction of breast cancer risk In nursing and hospital area: employee satisfaction increased and patient rentention shortened health and care Daylight and quality of Life
  27. 27. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Comfort Connected to Nature Biophylia-Hypothese – attachment to nature innate need to come into contact with nature. Daylight can support this need for closeness to nature Good daylight systems allow individual adaptation of the amount of daylight to your own preferences and needs People with regular daylight exposure are more optimistic, sleep better at night and feel fitter Daylight and quality of Life
  28. 28. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Research @ Bartenbach
  29. 29. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Smart/intelligent facade „Sonnenraum“ Research @ Bartenbach visual performance and window transparency Mental and cognitive load can be reduced if there is the possibility to look (eye- tracking analyzes) Under dynamic light conditions (change over the course of the day) better visual performance is achieved than under constant conditions
  30. 30. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Distribution of the Daylight Window Brightness Right Reaktions Values of Fatigue Work Speed / Mistake Score Clear Window - enough daylight - not evenly distributed - too high - - - Conventional Sunblind - not enough daylight - not evenly distributed - O.K. - - - Non-Perforated Redirecting Lamella - enough daylight - evenly distributed - a little bit too high + ++ + Perforated Redirecting Lamella - enough daylight - evenly distributed - O.K. ++ ++ ++ VDU-Analyzes – workstation analyzes Non-visual Criteria Determination of non-visual criteria → melanopic factor emotionale criteria Evalutaion of „the look through“ window (according to DIN 14501) VisErgyControl Research @ Bartenbach
  31. 31. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Stadtbücherei Augsburg Building Running Costs Energy 1% Operation/rent 9% Salaries 90%
  32. 32. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Stadtbücherei Augsburg
  33. 33. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano La Stafa, Wien
  34. 34. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Messe Basel
  35. 35. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano ZVK Wiesbaden
  36. 36. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano ZVK Wiesbaden
  37. 37. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano ZVK Wiesbaden
  38. 38. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano ZVK Wiesbaden
  39. 39. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Genzyme
  40. 40. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Genzyme
  41. 41. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Genzyme
  42. 42. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Genzyme
  43. 43. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Genzyme
  44. 44. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Changi Airport
  45. 45. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Changi Airport
  46. 46. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Changi Airport
  47. 47. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Changi Airport
  48. 48. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Kapelle St. Hedwig
  49. 49. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Underground Spaces
  50. 50. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Underground Spaces
  51. 51. The Future Envelope 12 final event 20-21 May 2019, BolzanoVisual Comfort, Well-being and Health in Daylit Spaces | Wilfried Pohl The Future Envelope 12 final event 20-21 May 2019, Bolzano Prototypes at Bartenbach / Aldrans Panorama picture
  52. 52. Future Envelopes 12 |Visual comfort, well-being and health in daylit spaces Wilfried Pohl | Bolzano | 20.05.2019 Thank you for your attention! www.interreg.net Wilfried Pohl Bartenbach GmbH wilfried.pohl@bartenbach.com FACEcamp is funded by European Regional Development Fund and Interreg V-A Italy-Austria 2014-2020.

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