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Experimental studies on passive inclined solar panel absorber solar still

  • C. Sasikumar
  • A. Muthu Manokar
  • M. Vimala
  • D. Prince Winston
  • A. E. Kabeel
  • Ravishankar SathyamurthyEmail author
  • Ali J. Chamkha
Article
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Abstract

This manuscript aims to analyze the passive inclined solar panel basin (PISPB) still at diversified flow rate of water (mf). The freshwater collected from the solar still for different mf at 4.68, 7.56 and 10.08 kg h−1 is 3.7, 2.7 and 1.6 kg, respectively. Results showed that at higher flow condition, the still energy and exergy efficiency decreases and it is estimated as 36.06, 25.56 and 16.95% and 2.97, 1.91 and 1.01%, respectively, for flow rates of 4.68, 7.56 and 10.08 kg h−1. Results revealed that electrical, thermal and exergy efficiency of photovoltaic panel increases under higher flow condition and it is found as 8.05, 8.81 and 9.44%, 11.43, 20.8 and 22.17 and 19.38, 20.58 and 21.16% for mass flow rates of (mf) 4.68, 7.56 and 10.08 kg h−1, respectively. When the mf increases, there is a decrease in the PISPB still distilled water production rate, thermal and exergy efficiency, and there is an increase in power production, electrical, thermal and exergy efficiency through the photovoltaic panel.

Keywords

Passive solar still Mass flow rates Enhancement Electrical efficiency Thermal efficiency 

Abbreviations

CSS

Conventional solar still

CHTC

Convective heat transfer coefficient

EHTC

Evaporative heat transfer coefficient

ISPB

Inclined solar panel basin

PSS

Pyramid solar still

PV

Photovoltaic

SSS

Stepped solar still

List of symbols

A

Area (m2)

h

Heat transfer coefficient (W m−2 K−2)

I

Current (A)

I(t)

Solar intensity (W m−2)

L

Latent heat of vaporization (kJ kg−1 K−1)

M

Hourly productivity from solar still (kg m−2 h−1)

P

Partial vapor pressure (N m−2)

T

Temperature (°C)

V

Voltage (V)

η

Efficiency (%)

mf

Mass flow rate of water

Tp

Panel temperature

Subscripts

a

Ambient

c

Convective

d

Daily

e

Evaporative

g

Glass

gi

Inner glass

pv

Photovoltaic

s

Surface area of condensing cover

w

Water

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Notes

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringBannari Amman Institute of TechnologySathyamangalam, ErodeIndia
  2. 2.Department of Mechanical EngineeringB.S. Abdur Rahman Crescent Institute of Science and TechnologyChennaiIndia
  3. 3.Department of Electrical and Electronics EngineeringR.M.K. Engineering CollegeChennaiIndia
  4. 4.Department of Electrical and Electronics EngineeringKamaraj College of Engineering and TechnologyVirudhunagarIndia
  5. 5.Mechanical Power Engineering Department, Faculty of EngineeringTanta UniversityTantaEgypt
  6. 6.Department of Automobile EngineeringHindustan Institute of Technology and ScienceChennaiIndia
  7. 7.Mechanical Engineering DepartmentPrince Sultan Endowment for Energy and Environment, Prince Mohammad Bin Fahd UniversityAl-KhobarSaudi Arabia

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