Energy savings innovations - Bioclimatic building designs Marta Lam 14-Jan-2002.

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Presentation transcript:

Energy savings innovations - Bioclimatic building designs Marta Lam 14-Jan-2002

General Summary  Introduction  Undergraduate honours project  Current research  Bioclimatic building designs

Introduction  Graduated in 2000  BSc (Hons) Building studies  Part-time research assistant  Part-time MPhil/PhD  Honours project carries on to research

Undergraduate Honours Project - Overview  Aim: To investigate the energy impact of deciduous plant growth on bioclimatic office buildings  Literature review, state of the art  Identify buildings and plants  Develop computer models  Computer thermal analysis  On 2 locations: UK and USA

Undergraduate Honours Project – Case Study: Mesiniaga Building

Undergraduate Honours Project – Case Study: Santiago office building

Undergraduate Honours Project – Theoretical models

Undergraduate Honours Project - Results Sensible cooling load reduction Mean radiant temperature reduction (  C) LondonAtlantaLondonAtlanta Rectangular theoretical 22%8%0.6 Cylindrical theoretical 28%20% Mesiniaga Building 2% Santiago office Building 11%5%

Current Research  Similar to Honours project – but on naturally ventilated buildings  Working title: Environmental performance of deciduous plantings on naturally ventilated buildings  Plants act as external shading devices

Drive of the research area  Recent change in climate  Hotter summers – more a.c. systems  Direct conflict with national commitment of reducing CO 2 emission  Sustainable building designs – Bioclimatic designs  What are bioclimatic buildings/ designs??

Meaning of ‘Bioclimatic’  Inspired by nature, optimising and using the environment  To conserve resources  To control and also fully utilise solar radiation  Good air quality inside building  Building fabric to absorb and release heat on a daily cycle, whilst insulating in cold times  Using the above factors to increase comfort  Some examples…..

Bioclimatic building examples (1)

Bioclimatic building examples (2)

Bioclimatic building examples (3)

Bioclimatic building examples (4)

Bioclimatic building examples (5)

Conclusion  Bioclimatic – small part of conserving energy in buildings  Wider scope, e.g. ‘active’ designs  Learn more now, and think of future projects   Cockcroft 804