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Analysis, Design, and Comparison of Different Building-Integrated Photovoltaic Thermal (BIPVT) System for Indian Meteorological Condition

  • Amit Kumar DashEmail author
  • Sanjay Agrawal
  • Sanjay Gairola
  • Shweta Shukla
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 36)

Abstract

Analysis of BIPVT system has been carried out in this paper based on arrays named as solar cell tile array and semitransparent array. Previously, comparisons and performance analysis were carried out for opaque and semitransparent system in a non-optimized way, but in the present case, optimization has been done to get better results. As far as energy effectiveness and exergy are concerned, semitransparent PVT has an edge as compared to others in all respects. Semitransparent PVT has relatively higher useful energy gain by 2.5 kWh as compared to SCT. Further, the electrical and thermal effectiveness has been derived, and a conclusion has been made that semitransparent PV cell has an edge in all respects as compared to SCT. The electrical effectiveness has been enhanced to 17.17% from the previous 16% and overall exergy to 18.4% from the previous 17.1%, i.e., an overall growth of 6.8 and 7.6%, respectively.

Keywords

SCT and semitransparent PVT array Building-integrated photovoltaic system (BIPVT) Photovoltaic (PV) Exergy 

Nomenclature

\( A_{\text{roof}} \)

Area of roof, m2

\( C_{\text{air}} \)

Specific heat of air, J/kg K

\( {\text{d}}t \)

Elemental time, s

\( {\text{d}}x \)

Elemental length, m

\( h_{\text{air}} \)

Heat transfer coefficient from tedlar to flowing air, W/m2K

\( h_{t} \)

Heat transfer coefficient from solar cell to tedlar in W/m2K

\( I\left( t \right) \)

Incident solar intensity, W/m2

\( K \)

Thermal conductivity, W/mK

\( M_{\text{f}} \)

Mass flow rate of air in PVT array, kg/s

\( M_{\text{air}} \)

Mass of air in the room, kg

\( n \)

Number of solar cell tiles

\( n_{\text{pv}} \)

Number of rows of PVT array

\( N \)

Number of PVT air collectors

\( N_{0} \)

Number of air changes

\( Q_{u} \)

Useful heat, W

\( t \)

Time, s

\( T \)

Temperature, K

\( \bar{T} \)

Average temperature, K

\( U_{L} \)

Overall heat transfer coefficient for the system, W/m2 °C

\( v \)

Velocity of air, m/s

\( V \)

Volume of air in the room, m3

Subscripts

a

ambient

\( {\text{eff}} \)

effective

f

fluid (air)

\( f_{i} \)

inlet fluid

\( f_{\text{air}} \)

outgoing fluid

g

glass

\( {\text{ins}} \)

insulation

ar

room

T

tedlar

Greek letters

\( \alpha \)

Absorptivity

\( \beta_{e} \)

Packing factor

\( \tau \)

Transmissivity

\( \rho \)

Density, kg/m3

Notes

Acknowledgements

The authors are really thankful for the support from Basant Agarwal and C. S. Rajoria whose papers provided lots of information regarding design and made the proposed system possible. The Indian Meteorology Department (IMD), Pune, has a major role in providing data related to temperature of different cities.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Amit Kumar Dash
    • 1
    Email author
  • Sanjay Agrawal
    • 2
  • Sanjay Gairola
    • 1
  • Shweta Shukla
    • 3
  1. 1.Noida Institute of Engineering and TechnologyGreater NoidaIndia
  2. 2.School of Engineering and TechnologyIGNOUNew DelhiIndia
  3. 3.Meerut Institute of Engineering and TechnologyMeerutIndia

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