Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"atmospheric water harvesting"”.
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Multi-stage adsorption-based atmospheric water harvesting
Atmospheric water harvesting (AWH) is the capture and collection of water that is present in the air either as vapor or small water droplets. Adsorption-based AWH uses adsorbent materials to collect water vapor from the air, the advantage being that the adsorbents can be regenerated by low-grade …
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Sorption-based atmospheric water harvesting: from atoms to applications
Thirteen thousand trillion liters of water in the atmosphere is a natural resource found anywhere on the earth, and available to anyone. Sorption-based atmospheric water harvesting (SAWH) is the extraction of water vapor using sorbent materials across a broad spectrum of relative humidity, which …
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Development of adsorption-based atmospheric water harvesting and thermal energy storage technologies
… can be used to efficiently harvest fresh water from the atmosphere and to store thermal energy for climate control. Recent advances in porous adsorbents such as metal-organic frameworks (MOFs), with high sorption capacity and low regeneration temperature requirements, allow us to …
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System-level Design, Fabrication, and Optimization of Sorbent-based Atmospheric Water Harvesting Devices
Sorption-based atmospheric water harvesting (SAWH) has been demonstrated as a promising avenue to addressing the increasing problem of water scarcity, especially in arid inland regions where alternative technologies are limited. However, current sorbent materials are often limited in their …
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Thermodynamic modeling and design of high-performance adsorption-based atmospheric water harvesting devices
Water scarcity is a grand global challenge since more than two-thirds of world’s population is experiencing water shortage. Atmospheric water harvesting (AWH) addresses this challenge by enabling decentralized freshwater supply in water-stressed and infrastructure-limited areas. Adsorption-based …
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Understanding the Limits of Coupled Condensation and Desorption in Sorption-Based Atmospheric Water Harvesting (SAWH) Devices
Access to clean water is a serious challenge around the world, with almost 2/3 of the global population experiencing water scarcity at some point during the year, especially in dry regions. One solution to this problem is sorbent-based atmospheric water harvesting (SAWH) due to its ability to …
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Atmospheric Water Harvesting: An Experimental Study of Viability and the Influence of Surface Geometry, Orientation, and Drainage
<p>Fresh water collection techniques have gained significant attention due to global dwindling of fresh water resources and recent scares such as the 2011-2017 California drought. This project explores the economic viability of actively harvesting water from fog, and techniques to maximize water …
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Thermoresponsive polymer desiccants for water harvesting
Atmospheric water is a ubiquitous yet underutilised source of potable water. Polymeric desiccants are a particularly promising candidate for atmospheric water harvesting given their adaptability and scalability. However, the relative nascency of the field leaves many classes of polymers yet …
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Thermoresponsive polymer desiccants for water harvesting
Atmospheric water is a ubiquitous yet underutilised source of potable water. Polymeric desiccants are a particularly promising candidate for atmospheric water harvesting given their adaptability and scalability. However, the relative nascency of the field leaves many classes of polymers yet …
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Pressure Swing Assisted Desorption for Atmospheric Water Collection
Ensuring water equity is an urgent and challenging issue in the light of climate change, global conflict, and socioeconomic disparities. Atmospheric water harvesting provides a promising option to collect water from the air, even in considerably dry conditions (RH < 40%), expanding the reach of …
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Design and Optimization of Adsorption Systems for Automotive Climate Control
… change, spanning direct air carbon capture, to atmospheric water harvesting, to thermal energy storage. Decades of research and development have led to the optimization of adsorption materials to customize them for a specific application by tailoring their affinity for particular molecules, …
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Physics and Engineering of Moisture-Capturing Hydrogels for Water and Heat Harvesting
Moisture in the air represents a vast freshwater and energy resource which can be leveraged to mitigate the critical water scarcity and decarbonization challenges. In particular, moisture sorption offers a pathway for decentralized and geography-independent freshwater production from humidity …
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Power To The People - Harnessing Innovative Approaches To Address Hydrologic Challenges
Water resource management faces critical challenges requiring innovative approaches in data collection, technological solutions, and advanced analytical methods. This dissertation presents four interconnected research papers that advance the field through novel methodologies and practical …
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Multi-Scale Design, Thermal Simulation, Fabrication, Surface Engineering and Characterization of TPMS Structures for Atmospheric Water Generation
… this research is to improve the performance of Atmospheric Water Generators (AWG) by engineering the condensation surface across multiple scales. Specifically, this study explores the use of Triply Periodic Minimal Surfaces (TPMS) as condensation surfaces in Peltier-driven AWG systems—an …
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Advanced Fog Harvesting Techniques
Water scarcity is one of the most urgent global challenges, affecting a substantial portion of the world's population and expected to worsen with the advancing impacts of climate change. Although the Earth is predominantly covered by water, only a small fraction is freshwater, and an even smaller …
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Development and characterization of micro/nano structured surfaces for enhanced condensation
… management, building environment control, water harvesting, desalination, and industrial power generation. This thesis focuses on the fundamental understanding of water vapor condensation on superhydrophobic surfaces, as well as the demonstration of such surfaces for enhanced condensation …
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Hydrogels for ultralow-grade heat driven fresh water production
L'abstract è presente nell'allegato / the abstract is in the attachment