Performance evaluation of using evacuated tubes solar collector, perforated fins, and pebbles in a solar still – experimental study and CO2 mitigation analysis

Panchal, Hitesh; Sohani, Ali; Nguyen, Nguyen Van; Shoeibi, Shahin; Khiadani, Mehdi; Huy, Pham Quang; Hoseinzadeh, Siamak; Kabeel, A.E.; Shaik, Saboor; Cüce, Erdem

doi:10.1007/s11356-022-22809-z

Cited by 50 publications

(6 citation statements)

References 45 publications

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“…The value of h ew evaluated for SSS, SSS-PCM, SSS-ETC, and SSS-PCM-ETC distillation units were observed to vary from 5. 32 h ew assessed for the various experimental units is discovered in line with that of various investigations. 49,50 The maximum value of h ew for SSS-PCM-ETC distillation unit was calculated at 13:30 h (154.16 W/m 2 °C).…”

Section: Evaporative Htc (H Ew )supporting

confidence: 65%

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Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Grewal,

Manchanda,

Kumar

2023

Heat Trans

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This study investigates the individual and cumulative effects of phase change material (PCM) and evacuated tube collector (ETC) on the performance of a stepped solar still (SSS). Experiments have been performed on SSS, SSS loaded with PCM (SSS‐PCM), SSS coupled with ETC (SSS‐ETC), and SSS loaded with PCM and coupled with ETC (SSS‐PCM‐ETC). An innovative way of loading paraffin wax as PCM is introduced to utilize solar energy efficiently for the distillation process during off‐sunshine hours. ETC is used to provide pre‐heated RO wastewater to the distillation unit. The distillate output was observed maximum for SSS‐PCM‐ETC (4.97 kg/m2 day) which is 99% more than that of the SSS unit. The PCM and ETC individually with SSS unit increases the distillate output by 31% and 24%, respectively. The working time of the distillation unit was observed to be increased by 3 h by the use of PCM. The total heat transfer coefficient was evaluated at the maximum for SSS‐PCM‐ETC and was observed in the range of 16.94–167.04 W/m2 °C. The thermal energy efficiencies of SSS, SSS‐ETC, SSS‐PCM, and SSS‐PCM‐ETC were evaluated as 28.65%, 35.59%, 43.88%, and 44.04%, respectively. SSS‐PCM‐ETC is found to be the most economic with the best environmental conservation having maximum values of daily productive cost ($0.69) and carbon credits earned ($184.8).

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Section: Evaporative Htc (H Ew )supporting

confidence: 65%

“…30 The use of external reflector along with glass cover cooling increased the productivity of a SSS by 12.43%. 31 Panchal et al 32 studied the impact of ETC, perforated fins, and pebbles on the performance of a solar still and reported 244.1% higher distillate.…”

Section: Introductionmentioning

confidence: 99%

Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Grewal,

Manchanda,

Kumar

2023

Heat Trans

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“…Previous studies proved that solar stills are capable to separate a wide range of organic and inorganic impurities from pharmaceutical and chemical compounds to biological contaminations. Various approaches also applied to increase the efficiency of solar stills including using different solar collectors [19] , [20] , [21] , reflectors [15] , wick materials [22] , low-cost energy storage [23] , heat localized materials [24] thermoelectric [ 25 , 26 ], phase change materials (PCM) [27] , [28] , [29] , and nanoparticles [30] , [31] , [32] , [33] . Interestingly, nanoparticles in solar stills have been attracted huge attentions of researchers due to their antibacterial characteristics against pathogens [34] , [35] , [36] .…”

Section: Solar Water Treatmentmentioning

confidence: 99%

Solar desalination/purification (solar stills, humidification-dehumidification, solar disinfection) in high altitude during COVID19: Insights of gastrointestinal manifestations and systems’ mechanism

Parsa

Norozpour

Elsheikh

et al. 2023

Journal of Hazardous Materials Advances

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“…The thermal efficiency increased from 33% to 46% when using the fins with phase change materials. Panchal et al [10] presented a report related to a performance evaluation of using a tube solar collector with perforated fins. They showed that surface-enhancing fins increased the efficiency and hence decreased the cost of energy.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Analysis of the Solar Collector with Stainless Steel Scourers Added to the Absorber Surface

Can,

Celik,

Ozgen

et al. 2024

Applied Sciences

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In this study, a numerical and experimental analysis of a solar collector with roughness elements in the form of stainless-steel scourers on the absorber surface is presented. According to the location type and number of the stainless steel scourers, the absorber surfaces are referred to as the complex surface (C1), less complex surface (C2), and flat surface (C3). A Computational Fluid Dynamics (CFD) analysis was carried out using ANSYS-CFX-R18.2 commercial software. The results were verified with the experimental study. After the numerical study was confirmation with the experimental study, then the detailed investigation was performed by numerical simulations. The extracted results of the numerical and experimental analysis concerned the air temperature and velocity, and thermal efficiency, which varied with respect to the type of collector. As a result, the C1 type yielded the highest air velocity and air temperature, while the lowest values of air velocity and temperature were recorded for the C3 type, according to both the numerical analysis and experimental tests. This trend was similar for the efficiencies. The efficiency was nearly 80% for collectors with stainless-steel scourers, whilst it was 55% for the flat plate collector. The results showed that the experimental and numerical results agreed well.

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Performance evaluation of using evacuated tubes solar collector, perforated fins, and pebbles in a solar still – experimental study and CO2 mitigation analysis

Cited by 50 publications

References 45 publications

Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Productivity amelioration of stepped solar still using phase change material and evacuated tube collector

Solar desalination/purification (solar stills, humidification-dehumidification, solar disinfection) in high altitude during COVID19: Insights of gastrointestinal manifestations and systems’ mechanism

Experimental and Numerical Analysis of the Solar Collector with Stainless Steel Scourers Added to the Absorber Surface

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