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Passive Solar Design of Buildings A Case Study

by

Dr. Sanjiv Kumar Dr. Manjeet Bansal

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Passive solar technologies are means of using sunlight for useful energy without use of active

mechanical systems, as contrasted to active solar techniques. Such technologies convert

sunlight into usable heat in the form of water, air, thermal mass; cause air-movement for

ventilating, or future use, with little use of other energy sources. The scientific basis for

passive solar building design has been developed from a combination of climatology,

thermodynamics, particularly heat transfer, and human thermal comfort. Specific attention is

directed to the site and location of the dwelling, the prevailing climate, design andconstruction, solar orientation, placement of glazing-and-shading elements, and incorporation

of thermal mass. The Solar Passive Complex of Punjab Energy Development Agency

(PEDA), at Chandigarh, India is a unique and successful model of energy efficient solar

builidng, designed on solar passive architecture. The main aims & objectives of this complex

are to demonstrate the Solar Passive Architecture concepts, to educate architects, engineers &

builders for replication of concepts, and to generate awareness among general public,

teachers, students of school and colleges. More than 90% reduction in lighting consumption,

and more than 50% saving in overall energy consumption has been achieved in this complex,

which thus provides a clean and pollution free work environment.

http://en.wikipedia.org/wiki/Solar_energyhttp://en.wikipedia.org/wiki/Active_solarhttp://en.wikipedia.org/wiki/Active_solarhttp://en.wikipedia.org/wiki/Ventilatinghttp://en.wikipedia.org/wiki/Ventilatinghttp://en.wikipedia.org/wiki/Solar_energyhttp://en.wikipedia.org/wiki/Active_solarhttp://en.wikipedia.org/wiki/Ventilating

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GREENING EXISTING BUILDINGS FOR SUSTAINABLE

DEVELOPMENT

Dr. Sanjiv Kumar Aggarwal Ar. Ripu Daman Singh Ar. Jatinder Kaur

Green building, also known as a sustainable building, is a structure that is designed, built,

renovated, operated or reused in an ecological and resource efficient manner. The existing

buildings which have not been designed as green buildings can be made green by

implementing the essential retrofit measures and strategies. This paper consists of case study

of college campus of GZSCET, Bathinda, India for its evaluation with respect to green

building parameters and provides retrofit strategies for greening the college campus. The aim

of this paper is to identify the green building strategies in existing buildings that affects the

overall sustainability of the college campus. It investigates all the key elements of building

and construction of green buildings with the objective of determining the key strategies, that,

if implemented, would lead to greening of existing buildings, thus making them more

sustainable in Indian context. This paper also explores the benefits of retrofitting existing

buildings for sustainability to the occupants, community and society, and also to the

environment. The degree of greenness can be continually maintained and further improved

with the sustained efforts of the management and the community as a whole.