A comprehensive review of fresh water production from atmospheric air–techniques, challenges and opportunities

A Agrawal, A Kumar - Environment, Development and Sustainability, 2024 - Springer
The rapid expansion of human populations and industrial activity worldwide has led to a
severe scarcity of fresh water, presenting a pressing issue that demands attention. While …

A comprehensive review of rectangular duct solar air heaters featuring artificial roughness

R Shankar, R Kumar, AK Pandey, DS Thakur - Clean Energy, 2024 - academic.oup.com
Solar air heaters (SAHs) are widely used solar thermal systems with applications in diverse
sectors. However, its effectiveness is restrained by low convective heat transfer (HT) …

Atmospheric water harvesting by using evacuated tube collector: An experimental investigation

A Agrawal, A Kumar, AD Parekh - Applied Thermal Engineering, 2023 - Elsevier
The current global water crisis arises from the combination of limited freshwater resources
and a growing world population, which highlights the need for self-sustainable water …

Experimental investigation of atmospheric air to water generation based on both end open evacuated tube collector solar air heater

A Agrawal, A Kumar, AD Parekh - Solar Energy, 2023 - Elsevier
Regional economic, social, and ecological security are all entwined and influenced by the
availability of water. Since the available water resources are depleting at a very faster rate …

Energy, exergy, environmental, and economic (4E's) analysis of a solar driven humidification-dehumidification desalination system: An experimental investigation

A Tiwari, A Kumar - Thermal Science and Engineering Progress, 2024 - Elsevier
A solar-driven humidification-dehumidification (SDH-DH) desalination system has shown to
be a highly efficient and viable solution to meet the freshwater needs of a community …

Harvesting freshwater from atmospheric air using thermal energy storage enabled solar air heater

A Agrawal, A Kumar - Journal of Energy Storage, 2023 - Elsevier
Fresh water resources are scarce worldwide, and prevailing water harvesting systems face
limitations of nighttime operations, high regeneration temperature and limited water yield. To …

Atmospheric water extraction based on solar air heater encapsulated with phase change material: An experimental investigation

A Agrawal, A Kumar - Solar Energy Materials and Solar Cells, 2024 - Elsevier
Amidst worsening water scarcity in the urban region, exploring alternative water sources is
crucial. Atmospheric water extraction (AWE) technology emerges as a cost-effective and …

Assessment of thermal behavior for storage material filled in annulus coaxial aluminum pipes and inserted in evacuated tube collector: An experimental and …

A Elbrashy, A Elshennawy, M Rashad… - Journal of Energy …, 2025 - Elsevier
This research paper presents a comprehensive evaluation of an evacuated tube solar air
heater (ETSAH) integrated with annulus coaxial aluminum pipe (ACALP) and phase change …

[HTML][HTML] Experimental performance evaluation of a dual-purpose photovoltaic-thermal system with phase change material for passive heating and cooling

O Fakhraei, S Gorjian, B Ghobadian, G Najafi - Journal of Building …, 2024 - Elsevier
Photovoltaic thermal technology (PVT) is gaining increasing attention due to its improved
performance and reliability made possible by continuous technological advances. Despite …

Energy, exergy, economic, and environmental (4-E) analysis of atmospheric water harvesting system based on desiccant wheel using solar air heater

PK Kushwaha, A Kumar, R Choudhary - Journal of Water Process …, 2024 - Elsevier
Solar powered atmospheric water harvesting (SPAWH) is an innovative and sustainable
approach that addresses the urgent need of a drinkable water source. Low productivity and …