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Performance analysis of solar water heating system in Centre for DNA Fingerprinting and Diagnostics (CDFD), Southern region of India

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Abstract

In the present study, a natural circulation thermosyphon flat plate solar water heater has been tested at the CDFD, Hyderabad (17.37°N, 78.43°E) Andhra Pradesh, India. Experimental data were noted on a sunny day. Dynamic response of the system to variations in solar insulation was studied and analyzed. T inlet °C and T outlet °C temperatures were recorded. The performance of the system can be improved by using aluminum tape inserts into the collector fins. The objective of the present study is to evaluate the performance of flat plate collector with and without inserts (aluminum strip of 1 mm thick, 3 mm width and 203 mm length). It is expected that with the same collector with the same flow rate, higher efficiency can be obtained by inserting the tapes inside the collector copper fins (9 mm). Thus, the cost of the system can be further bringing down by enhancing the collector efficiency.

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Abbreviations

\( A \) :

Collector area (m2)

\( F_{R} \) :

Collector heat removal factor

\( I \) :

Intensity of solar radiation (W/m2)

\( T_{\text{c}} \) :

Collector average temperature (°C)

\( T_{\text{i}} \) :

Inlet fluid temperature (°C)

\( T_{\text{a}} \) :

Ambient temperature (°C)

\( U_{L} \) :

Collector overall heat loss coefficient (W/m2)

\( Q_{\text{i}} \) :

Collector heat input (W)

\( Q_{\text{u}} \) :

Useful energy gain (W)

\( Q_{\text{o}} \) :

Heat loss (W)

\( \eta \) :

Collector efficiency

\( \tau \) :

Transmission coefficient of glazing

\( \alpha \) :

Absorption coefficient of plate

m :

Mass flow rate of fluid through the collector (kg/s)

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Authors and Affiliations

  1. Electrical Engineering Section, Engineering Department, Department of Biotechnology, CDFD, MoS&T, Hyderabad, India

    Punnaiah Veeraboina

  2. Department of Electrical Engineering, University College of Engineering, Campus, Osmania University, Hyderabad, India

    Yesuratnam Guduri

Authors
  1. Punnaiah Veeraboina
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  2. Yesuratnam Guduri
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Correspondence to Punnaiah Veeraboina.

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Veeraboina, P., Guduri, Y. Performance analysis of solar water heating system in Centre for DNA Fingerprinting and Diagnostics (CDFD), Southern region of India. Environ Dev Sustain 16, 1223–1234 (2014). https://doi.org/10.1007/s10668-014-9523-z

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  • DOI: https://doi.org/10.1007/s10668-014-9523-z

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