Development of novel sub-ambient membrane systems for energy-efficient post-combustion CO2 capture
Sign Up to like & getrecommendations! Published in 2019 at "Applied Energy"
DOI: 10.1016/j.apenergy.2019.01.130
Abstract: Abstract A substantial increase in CO2/N2 selectivity of the membrane under sub-ambient temperature conditions allows the design of CO2 capture processes in an energy-efficient and cost-effective manner. An innovative sub-ambient temperature membrane process is proposed… read more here.
Keywords: co2; membrane; co2 capture; energy ... See more keywords
A kW-scale, 24-hour continuously operational, radiative sky cooling system: Experimental demonstration and predictive modeling
Sign Up to like & getrecommendations! Published in 2019 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2019.03.006
Abstract: Abstract With the advancement in sub-ambient cooling of water during daytime under the sun with scalable-manufactured radiative cooling metamaterials, the challenge for applications lies in design and building of large-scale radiative cooling systems. Here, we… read more here.
Keywords: system; water; scale hour; continuously operational ... See more keywords
Heat transfer and pressure drop in microchannels with isotropically etched pillars at sub-ambient temperatures
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2018.10.005
Abstract: Glass microfluidic devices are often manufactured using micromachining techniques that involve the use of wet etching. In applications where high-pressure fluids are used, the microchannels in the microchip are filled with pillar structures for mechanical… read more here.
Keywords: ambient temperatures; pressure drop; transfer pressure; heat transfer ... See more keywords
Passive Sub-Ambient Cooling from a Transparent Evaporation-Insulation Bilayer
Sign Up to like & getrecommendations! Published in 2020 at "Joule"
DOI: 10.1016/j.joule.2020.10.005
Abstract: Summary Hydrogel-based evaporative cooling, which mimics perspiration of mammals, provides great potential to reduce energy consumption for thermal regulation. Yet, environmental heat gain presents a critical challenge to this cooling strategy at sub-ambient temperatures. Herein,… read more here.
Keywords: ambient; evaporation insulation; sub ambient; bilayer ... See more keywords
Xenon and Krypton separation by membranes at sub-ambient temperatures and its comparison with cryogenic distillation
Sign Up to like & getrecommendations! Published in 2021 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2021.118349
Abstract: Abstract The potential of membrane technology for Xenon (Xe) and Krypton (Kr) separation is evaluated at sub-ambient temperatures ( - 30 °C to 20 °C) by simulating two- and three-stage membrane processes. Unlike conventional membrane simulations,… read more here.
Keywords: ambient temperatures; xenon krypton; krypton separation; membrane ... See more keywords
RETRACTED: Generic method for creating waterborne coatings with sub-ambient daytime cooling–part I: Optical properties and rooftop cooling effect measurements
Sign Up to like & getrecommendations! Published in 2020 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2019.110205
Abstract: Abstract The conventional way to fabricate current sub-ambient daytime radiative cooling (SDRC) systems is to maximally suppress the cooler's solar absorption and substantially improve its selective emissivity only in the atmospheric transparency window. This greatly… read more here.
Keywords: sub ambient; effect; ambient daytime; generic method ... See more keywords
Daytime Sub-Ambient Radiative Cooling with Vivid Structural Colors Mediated by Coupled Nanocavities.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c15573
Abstract: Daytime radiative cooling is a promising passive cooling technology for combating global warming. Existing daytime radiative coolers usually show whitish colors due to their high broadband solar reflectivity, which is not suitable for aesthetic demands… read more here.
Keywords: sub ambient; cooling performance; daytime sub; radiative cooling ... See more keywords
Passive directional sub-ambient daytime radiative cooling
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-07293-9
Abstract: Demonstrations of passive daytime radiative cooling have primarily relied on complex and costly spectrally selective nanophotonic structures with high emissivity in the transparent atmospheric spectral window and high reflectivity in the solar spectrum. Here, we… read more here.
Keywords: sub ambient; radiative cooling; solar irradiation; approach ... See more keywords
A new numerical approach for exergy targets and losses determination in sub-ambient processes
Sign Up to like & getrecommendations! Published in 2017 at "Chemical engineering transactions"
DOI: 10.3303/cet1761202
Abstract: Sub-ambient processes such as a refrigeration system are a highly energy intensive area in chemical industries. Refrigeration systems require a high level of process cooling using a combination of compression and expansion operations. It is,… read more here.
Keywords: exergy targets; methodology; sub ambient; exergy ... See more keywords