Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis

Milia H Majeed; Naseer T Alwan; S E Shcheklein; Baseem A Aljashaami; Sabeeh Lafta Farhan; Salam J Yaqoob

doi:10.1093/ce/zkag001

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Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis

更新时间：2026-04-15

- Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis
- Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis
- 清洁能源（英文） 2026年第2期
- 作者机构：
  
  1. Department of Renewable Energy Techniques Engineering, College of Oil & Gas Techniques Engineering/Kirkuk, Northern Technical University
  2. Department of Nuclear and Renewable Energy, Ural Federal University Named After the First President of Russia B. N. Yeltsin 19 Mira St
  3. Department of Architecture Engineering, Faculty of Engineering, University of Wasit, Wasit,52001
  4. Training and Energy Researches Office, Ministry of Electricity
- 作者简介：
- 基金信息：
  
  This work received no external funding.
- DOI：10.1093/ce/zkag001
  中图分类号：
- 纸质出版：2026
- 稿件说明：
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Milia H Majeed, Naseer T Alwan, S E Shcheklein, 等. Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis[J]. 清洁能源（英文）, 2026,(2).

Milia H Majeed, Naseer T Alwan, S E Shcheklein, Baseem A Aljashaami, Sabeeh Lafta Farhan, Salam J Yaqoob, Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis, Clean Energy, Volume 10, Issue 2, April 2026, Pages 32–45, https://doi.org/10.1093/ce/zkag001
Milia H Majeed, Naseer T Alwan, S E Shcheklein, 等. Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis[J]. 清洁能源（英文）, 2026,(2). DOI： 10.1093/ce/zkag001.

Milia H Majeed, Naseer T Alwan, S E Shcheklein, Baseem A Aljashaami, Sabeeh Lafta Farhan, Salam J Yaqoob, Enhancing tilted solar still performance by improving evaporation with a cotton wick and condensation with thermoelectric cooling through experimental and economic analysis, Clean Energy, Volume 10, Issue 2, April 2026, Pages 32–45, https://doi.org/10.1093/ce/zkag001 DOI：

摘要

Abstract

Tilted solar stills are a promising option for sustainable water desalination

but their productivity is limited by low evaporation and condensation efficiencies. This study presents a dual-functional strategy for improving the performance of a modified tilted solar still using a mesh cotton wick to enhance water distribution and continuous surface wetting and a thermoelectric cooling tube to lower the condensing surface temperature and increase the condensation rate

thus increasing the overall system productivity. Tests were conducted in Yekaterinburg

Russia

under identical environmental conditions for both the modified tilted solar still and the conventional still. The results demonstrated a significant improvement in the modified system

with a 40% increase in freshwater production. The maximum daily production was 1.290 L/m2 from the cooling channel and 0.615 L/m2 from the glass cover

compared to 0.805 and 0.555 L/m2 for the conventional system. Thermal efficiency reached 13% versus 9% for the conventional system. Economic analysis confirmed the system's viability

with the cost of distilled water reduced to $0.0296/L

13.7% lower than the conventional system

while maintaining competitive costs at varying utility rates. These results demonstrate the effectiveness of the wick-thermoelectric cooling integrated approach in providing a low-cost

energy-efficient

scalable solar desalination solution suitable for arid and energy-limited regions.

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