Comparative analysis of stepped and single basin solar still in climate conditions of Gandhinagar Gujarat during winter

Shyora, Ashok B.; Patel, K.; Panchal, Hitesh

doi:10.1080/01430750.2019.1612781

Cited by 26 publications

(8 citation statements)

References 43 publications

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“…The environmental analysis of these designed systems is given in Table 10. 14,23,24,33,51 The factors given in Table 10 show that SSS-PCM-ETC is environmentally more stable among the studied units. SSS-PCM-ETC can mitigate 18.50 tons of CO 2 /year which is 51.64%, 65.18%, and 101.08% higher than those of SSS-PCM, SSS-ETC, and SSS, respectively.…”

Section: Economic and Environmental Analysesmentioning

confidence: 99%

“…This suggests that the stepped structure had a significant beneficial influence on the efficiency and productivity of the distillation process. 23 Grewal and Kumar performed research on a concatenated tiered solar still system developed for RO-wastewater purification in 2023. While running at the ideal flow rate of 50 mL/min, their findings revealed a distillate production rate of 2.8 kg/day and a thermal efficiency of 33.80%.…”

Section: Introductionmentioning

confidence: 99%

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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: Economic and Environmental Analysesmentioning

confidence: 99%

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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“…To increase the water yield and efficiency of the SS, various studies have been performed using different enhancement approaches, including design modifications in the structure by designing a wick type SS [10], stepped SS [11], double slope SS [12] etc. Utilization of highly porous materials for enhancing water and glass cover temperature difference [13][14], carbon based materials for improved solar absorption [15] and phase change materials [16] for prolonged heat supply in the still basin have been widely used for augmented water yield in recent years.…”

Section: Introductionmentioning

confidence: 99%

Exploring the potential of MXene-based advanced solar-absorber in improving the performance and efficiency of a solar-desalination unit for brackish water purification

et al. 2022

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“…An estimated 30% higher efficiency can be achieved by applying their technique to a solar still. Shyora et al [25] conducted a similar experiment by modifying a stepped-type solar still and obtained a 23.5% higher efficiency. Panchal and Patel [26] observed that higher wind speeds and solar radiation increase distillate productivity.…”

Section: Introductionmentioning

confidence: 99%

Applications of Heat Exchanger in Solar Desalination: Current Issues and Future Challenges

Elsheikh

Panchal²,

Shanmugan

et al. 2022

Water

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Solar desalination is a process to convert saline water into potable water by the application of solar energy. The enhancement of the distillate output of the solar desalination is low, so it is not considered as a method to produce potable water. A heat exchanger is an important device used for heat transfer applications. The present review article illustrates the application of a heat exchanger with a solar desalination system to enhance the distillate output. In the current review, it is found that the heat exchanger is an important device to improve the distillate productivity of the solar desalination system. Finally, the future work and future challenges of using a heat exchanger with a solar desalination system are presented.

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Comparative analysis of stepped and single basin solar still in climate conditions of Gandhinagar Gujarat during winter

Cited by 26 publications

References 43 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

Exploring the potential of MXene-based advanced solar-absorber in improving the performance and efficiency of a solar-desalination unit for brackish water purification

Applications of Heat Exchanger in Solar Desalination: Current Issues and Future Challenges

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