Experimental and numerical study of heat transfer phenomena, inside a flat-plate integrated collector storage solar water heater (ICSSWH), with indirect heat withdrawal

Gertzos, K.P.; Pnevmatikakis, S.E.; Caouris, Y.G.

doi:10.1016/j.enconman.2008.06.005

Cited by 37 publications

(13 citation statements)

References 7 publications

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“…Gertzos, Pnevmatikakis and Caouris [17] were measured at one second time intervals. They were averaged and recorded every 30 seconds, for an energy withdrawal period of one hour.…”

Section: Methodsmentioning

confidence: 99%

“…In order to get confidence of the chosen turbulence model used in the CFD, the experimental work by Gertzos, Pnevmatikakis and Caouris [17] was chosen to validate the CFD model.…”

Section: Validation Of the Cfd Modelmentioning

confidence: 99%

“…A computational grid was developed for the same setup as Gertzos, Pnevmatikakis and Caouris [17] using ANSYS 13.0 software. The number of elements was 1,130,000 and most of them were hexahedral ( Figure 5).…”

Section: Cfd Simulationmentioning

confidence: 99%

“…Previous studies in the indirect heating system [8,9,15,17] which investigated the heat transfer between the storage and service water assuming that the temperature of the storage water was fixed at 60 o C for the steady state investigation or the initial temperature of the storage water was 60 o C or 80 o C for the transient investigation. These studies used a pump to circulate the storage water.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, assuming the absorber temperature is constant; including the effect of the double glass covers with no circulating pump is a more realistic model and was expected to use less energy. The service water flow rate is chosen as 500 and 650 L/h, as have been used in the investigation by other researchers [8,15,17].…”

Section: Introductionmentioning

confidence: 99%

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Optimization of the heat exchanger in a flat plate indirect heating integrated collector storage solar water heating system

AL-Khaffajy

Mossad

2013

Renewable Energy

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Due to the environmental impact of energy usage, consumers need to be encouraged to use renewable energy sources such as solar energy. The indirect heating flat plate integrated collector storage solar water heating system is one of the compact systems for domestic water heating. It incorporates the collection of a solar energy component and a hot water storage component in one unit. The objectives of this study were to investigate the effect of different parameters on the thermal performance of this system with the aim of reducing both the initial and the running costs. The outlet service water temperature was used as a measure of performance, because it is an indicator of the energy acquired from the solar radiation. The continuity, momentum and energy equations of the fluids involved in the system were numerically solved in a steady state condition, using FLUENT software. Three-D CFD models were developed and validated using previous experimental results. A standard k-ω turbulent model was used in the optimization of the heat exchanger because it produced good agreement with the experimental results. The surface-to-surface radiation model was included. The effect of single and double row heat exchangers with different lengths was investigated. Circular and elliptic cross-section pipes were also examined. Mass flow rates of 500 and 650 L/h were chosen. The effect of the angel of collector was also examined. The results showed that the single row HX of 10.8 m length for both the elliptical and type B tube gave high service water outlet temperature (acceptable for heat exchanger design) and with low pumping power. This resulted in an increase in the thermal efficiency and a significant reduction in both the initial and the operating costs of the system.

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“…Gertzos, Pnevmatikakis and Caouris [17] were measured at one second time intervals. They were averaged and recorded every 30 seconds, for an energy withdrawal period of one hour.…”

Section: Methodsmentioning

confidence: 99%

“…In order to get confidence of the chosen turbulence model used in the CFD, the experimental work by Gertzos, Pnevmatikakis and Caouris [17] was chosen to validate the CFD model.…”

Section: Validation Of the Cfd Modelmentioning

confidence: 99%

Section: Cfd Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Optimization of the heat exchanger in a flat plate indirect heating integrated collector storage solar water heating system

AL-Khaffajy

Mossad

2013

Renewable Energy

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Energetic and economic analysis of a new integrated collector storage with honeycomb transparent insulation (ICSHTI)

Messaouda

Hamdi

Hazami

et al. 2020

Env Prog and Sustain Energy

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This paper deals with both energetic and economic studies of a new integrated collector storage with honeycomb transparent insulation (ICSHTI) which was conceived, developed, and tested in the Research and Technology Centre of Energy (CRTEn), Tunisia. Experimental and numerical studies were performed in order to evaluate the thermal and the economic performances of the new solar collector configuration. Investigations are

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CFD and Thermal Analysis of the Flat Plate Collector—Solar Water Heater Under Steady-State Conditions

Bharti

Sharma

Paswan

2020

Lecture Notes in Mechanical Engineering

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Experimental and numerical study of heat transfer phenomena, inside a flat-plate integrated collector storage solar water heater (ICSSWH), with indirect heat withdrawal

Cited by 37 publications

References 7 publications

Optimization of the heat exchanger in a flat plate indirect heating integrated collector storage solar water heating system

Optimization of the heat exchanger in a flat plate indirect heating integrated collector storage solar water heating system

Energetic and economic analysis of a new integrated collector storage with honeycomb transparent insulation (ICSHTI)

CFD and Thermal Analysis of the Flat Plate Collector—Solar Water Heater Under Steady-State Conditions

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