The aim of this paper is to demonstrate the role of shading devices in the improvement of energy efficiency of buildings in hot dusty and dry tropical regions. The effect of shading in reducing the energy consumption of buildings is investigated by considering a case study of a guest house chosen because of its logical design approach to reduce thermal loads. The building plan, measurements, and details on schedules of building usage activities have been used as input data to a simulation program of the building. Based on the inputs, a thermal building model is developed in trnsys 17 simulation program and the effect of external shading on the building has been explored. It is seen that building design and orientation determine the effectiveness of shading. Movable shading over windows has a significant impact reducing temperatures by about 1.5 °C in each thermal zone. The difference in thermal energy loads of the building calculated from modeling simulations of the base case and the control case utilizing movable shading devices is approximately 8%. A programmable logic controllers (PLC)-based movable shading device has been designed to facilitate optimal shading control. The results enable us to draw inferences regarding the additional contribution of the shading factor in energy saving techniques for buildings.
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Kolkata 700071, India
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June 2014
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Evaluation of Impact of Shading Devices on Energy Consumption of Buildings in Tropical Regions
Akash Samanta,
and Business Management,
Akash Samanta
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
Search for other works by this author on:
Saibal Saha,
Kolkata 700071, India
Saibal Saha
Usha Martin Limited
,Kolkata 700071, India
Search for other works by this author on:
Jhumoor Biswas,
and Business Management,
Jhumoor Biswas
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
Search for other works by this author on:
Arindam Dutta
and Business Management,
e-mail: arindamdutta190@hotmail.com
Arindam Dutta
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
e-mail: arindamdutta190@hotmail.com
Search for other works by this author on:
Akash Samanta
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
Saibal Saha
Usha Martin Limited
,Kolkata 700071, India
Jhumoor Biswas
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
Arindam Dutta
Indian Institute of Social Welfare
and Business Management,
Kolkata 700073
, India
e-mail: arindamdutta190@hotmail.com
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received August 20, 2013; final manuscript received March 3, 2014; published online April 9, 2014. Assoc. Editor: Kau-Fui Wong.
J. Energy Resour. Technol. Jun 2014, 136(2): 024503 (6 pages)
Published Online: April 9, 2014
Article history
Received:
August 20, 2013
Revision Received:
March 3, 2014
Citation
Samanta, A., Saha, S., Biswas, J., and Dutta, A. (April 9, 2014). "Evaluation of Impact of Shading Devices on Energy Consumption of Buildings in Tropical Regions." ASME. J. Energy Resour. Technol. June 2014; 136(2): 024503. https://doi.org/10.1115/1.4027154
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