A honeycomb solar collector and storage system

Kaushika, N.D.; Ray, R.A.; Priya, P.

doi:10.1016/0196-8904(90)90023-r

Cited by 11 publications

(3 citation statements)

References 5 publications

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“…In recent years glazings/covers containing transparent honeycomb devices have been suggested (Goetzberger, 1984;Kaushika and Banerjee, 1983;Kaushika et al, 1990;Prakash et al, 1994) to reduce the heat losses and increase the solar gain of ICS solar water heating systems. More recently, Avanti et al (1996) have carried out a periodic analysis of solar heat transfer processes in ground ICS to evaluate the system performance.…”

Section: Introductionmentioning

confidence: 99%

Finite time thermal analysis of ground integrated-collector-storage solar water heater with transparent insulation cover

Reddy¹,

Avanti²,

Kaushika³

1999

Int. J. Energy Res.

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A transparent honeycomb insulated ground integrated‐collector‐storage system has been investigated for the engineering design and solar thermal performance. The system consists of a network of pipes embedded in a concrete slab whose surface is blackened and covered with transparent insulation materials (TIM) and the bottom is insulated by the ground. Heat may be retrieved by the flow of fluid through the pipe. A simulation model has been developed; it involves the solution of the two‐dimensional transient heat conduction equation using an explicit finite‐difference scheme. Computational results have been used to determine the effect of such governing parameters as depth as well as pitch of the pipe network and collector material on the thermal performance of the system. The pipe network depth of 10 cm and the TIM cover made of 5 cm compounded honeycomb seem suitable for the proposed system. Solar gain (solar collection efficiency of 30–50% corresponding to collection temperature of 40–60°C) and the diurnal heat storage characteristics of the system are found to be of the right order of magnitude for solar water heating applications. Copyright © 1999 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

Finite time thermal analysis of ground integrated-collector-storage solar water heater with transparent insulation cover

Reddy¹,

Avanti²,

Kaushika³

1999

Int. J. Energy Res.

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“…Integrated collector-storage systems are simple in their technology, but they are characterized by low thermal conversion efficiency: about 15% for temperature equal to 50 C. To increase the performance of this type of storage collector a study on the improvement of the heat insulation system was conducted. In recent years insulator devices have been suggested [10,11] to reduce the heat losses and increase the solar performance of the integrated collector storage systems. A quantitative study of the performance of this system is done.…”

Section: Introductionmentioning

confidence: 99%

Performance of a solar storage collector

et al. 2005

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“…The other alternative which has been explored since the 1970s is to use a honeycomb layer between the cover plate and the collector plate [4,5]. The honeycomb suppresses the convection and also reduces the loss of energy due to radiation while it allows the solar energy to go through.…”

Section: Introductionmentioning

confidence: 99%

Study of Cylindrical Honeycomb Solar Collector

Mozumder

Singh

Sharma

2014

Journal of Solar Energy

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We present the results of our investigation on cylindrical honeycomb solar collector. The honeycomb has been fabricated with transparent cellulose triacetate polymer sheets. Insulation characteristics of the honeycomb were studied by varying the separation between the honeycomb and the absorber plate. The optimal value of the separation was found to be 3.3 mm for which the heat transfer coefficient is 3.06 W m−2 K−1. This supports result of previous similar experiments. Further we test the honeycomb through a field experiment conducted in Delhi (28.6°N, 77°E) and found that when the incident angle of the solar radiation is within 20° then the performance of the system with the honeycomb is better than the one without the honeycomb.

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A honeycomb solar collector and storage system

Cited by 11 publications

References 5 publications

Finite time thermal analysis of ground integrated-collector-storage solar water heater with transparent insulation cover

Finite time thermal analysis of ground integrated-collector-storage solar water heater with transparent insulation cover

Performance of a solar storage collector

Study of Cylindrical Honeycomb Solar Collector

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