Abstract
Shifting of air conditioning and ventilation plants from conventional to renewable energy systems is one of the effective ways to save energy and attain sustainability. In this experimental study, an effort has been made to design, fabricate, and evaluate the cooling performance of a solar-powered domestic air cooler with Peltier plates to meet the comfort criteria as per ASHRAE standards. It also investigates the effect of Peltier modules on the performance of conventional room air cooler. The experiments were conducted in a 12×12 room with one, two, three, and four Peltier modules operating at various ambient temperatures. The experiments were repeated three times at specified conditions. Peltier effect was used to decrease water temperature, and subsequently cooled water was used to decrease the temperature of the air after coming in contact with this water. The cooled air was then used to create a comfort zone. The results indicated a decrease in temperature of the experimental zone by 5 %, 13 %, 19 %, and 23 % using one, two, three, and four Peltier modules respectively. The increase in relative humidity was recorded as 5 % at 27 °C temperature of the experimental zone. The results of energy analysis showed a substantial amount of energy savings in this study and suggest that more than 200 MW energy can be saved by replacing conventional electric air coolers all over the country with proposed Peltier based domestic solar powered air cooler.
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Abbreviations
- CO :
-
Degree centigrade
- MW:
-
MegaWatt
- A/C:
-
Air condtioner
- HVAC:
-
Heating, ventilation and air conditioning
- DC:
-
Direct current
- kW:
-
KilloWatt
- MDD:
-
Memory dependent derivative
- µ(eV):
-
Micro electron volt
- PVC:
-
Photovoltec cell
- CLTD:
-
Cooling load temperature difference
- CLTDc:
-
Corrected cooling load temperature difference
- Q:
-
Heat
- A:
-
Area
- tr :
-
Room temperature
- U:
-
Overall heat transfer
- ta :
-
Avergage temperature ofsorrounding
- ft:
-
Foot
- FO :
-
Degree fahrenheit
- LM:
-
Latitude and month correction
- DR :
-
Daily temperature range
- to :
-
Outside design dry bulb temperature
- PST:
-
Pakistan standard time
- Btu:
-
British thermal unit
- Hr:
-
Hour
- m:
-
Meter
- CFM:
-
Cubic feet meter
- SHGF:
-
Solar heat gain factor
- SC:
-
Shading coefficient
- CLF:
-
Cooling load factor
- BF:
-
Ballast factor
- V:
-
Volt
- W:
-
Watt
- mm:
-
Millimeter
- RPM:
-
Revolution per minute
- RH:
-
Relitive humidity
- ANOVA:
-
Analysis of variance
- PKR:
-
Pakistani rupees
- Kwh:
-
Killowatt hour
- hp:
-
Horse power
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Acknowledgments
The authors are pleased to acknowledge the efforts of the students of the Mechanical Engineering Department regarding the design of experimental setup and pay gratitude to the director of the institute for promoting the research culture. And any organization or person did not fund this study.
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It is hereby declared that none of the authors has received any kind of funding from any company or organization and none of them has a conflict of interest regarding the funding of this study.
Asad Naeem Shah earned his Bachelor’s degree in Mechanical Engineering with honors from the University of Engineering and Technology (UET), Lahore in 2000. He joined the same university as a lecturer in 2001. In 2004, he did his M.Sc. in Mech. Engineering from UET Lahore in Thermal Power Engineering. He completed his Ph.D. in Mechanical Engineering (power machinery) from Beijing Institute of Technology (BIT), P. R. China in 2010. His area of research includes regulated & unregulated emissions, fuel injection & Combustion, engine after-treatment technology, and alternative fuels. He is an author of a number of research papers in international and national journals of repute. He has supervised a number of undergraduate and postgraduate theses including a Ph.D. thesis. Currently, he is working as a Professor in the Department of Mechanical Engineering, UET Lahore, Pakistan.
Muhammad Tahir Hassan earned his Bachelor’s degree in Mechanical Engineering with honors from the University of Engineering and Technology (UET). He joined the Baha Ud Din Zakarya University as a lecturer in 2001. In 2004, he did his M.Sc. in Mech. Engineering from UET Lahore in Thermal Power Engineering. He completed his Ph.D. in Mechanical Engineering from Oxford University, United Kingdom in 2017. Currently, he is working as an Assistant Professor in the Department of Mechanical Engineering, BZU Multan, Pakistan.
Zafar Abbas earned his Bachelor’s degree in Mechanical Engineering from Baha Ud Din Zakarya University (BZU), Multan in 2010. He did his M.Sc. in Mech. Design Engineering from UET Lahore in 2017. He is doing his Ph.D. in Mechanical Engineering from UET Lahore. His area of research includes regulated & unregulated emissions, Renewable Energy Research and Environmental Protection by abating vehicular emissions. He is an author of four research papers in international and national journals of repute. He has supervised a number of undergraduate thesis. Currently, he is working as an Assistant Professor in the Department of Mechanical Engineering, Pakistan Institute of Engineering and Technology Multan, Pakistan.
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Abbas, Z., Shah, A.N., Hassan, M.T. et al. Performance evaluation of novel solar-powered domestic air cooler with Peltier modules. J Mech Sci Technol 34, 4797–4807 (2020). https://doi.org/10.1007/s12206-020-1036-0
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DOI: https://doi.org/10.1007/s12206-020-1036-0