Results 61 to 70 of about 14,638 (306)

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

State of the Art of Research and Applications of Low-carbon Refrigerants

open access: yesZhileng xuebao, 2016
Refrigerant is the blood of refrigeration systems. Since the synthetic refrigerants were developed, refrigeration technology has experienced a rapid development.
Chen Guangming, Gao Neng, Piao Chuncheng
doaj  

Thermodynamic evaluation of CO2 for ultra-low temperature refrigeration

open access: yesEnergy Conversion and Management: X, 2023
Carbon dioxide (CO2, R744) is the only refrigerant in the safest class by the ASHRAE 34 Standard in the group of natural refrigerants, with zero ozone depletion potential and a global warming potential of 1.
Cosmin-Mihai Udroiu   +4 more
doaj   +1 more source

Refrigeration Playbook: Natural Refrigerants; Selecting and Designing Energy-Efficient Commercial Refrigeration Systems That Use Low Global Warming Potential Refrigerants [PDF]

open access: yes, 2015
This report provides guidance for selecting and designing energy efficient commercial refrigeration systems using low global warming potential refrigerants. Refrigeration systems are generally the largest energy end use in a supermarket type building, often accounting for more than half of a building's energy consumption.
Caleb Nelson   +8 more
openaire   +1 more source

Review of experimental research on supercritical and transcritical thermodynamic cycles designed for heat recovery application [PDF]

open access: yes, 2019
Supercritical operation is considered a main technique to achieve higher cycle efficiency in various thermodynamic systems. The present paper is a review of experimental investigations on supercritical operation considering both heat-to-upgraded heat and
De Paepe, Michel   +6 more
core   +2 more sources

Efficient Self‐Cleaning and Anti‐Bacterial Behavior Realized by Hierarchical Structure in Hybrid Waterborne Polyurethane Coatings Containing Photocatalyst

open access: yesAdvanced Materials Interfaces, EarlyView.
Hybrid WPU coatings with a hierarchical structure are constructed by first directional freezing polymerization of degradable hydrogels with a vertical channel structure and then filling these channels with aqueous WPU solution containing carbon nitride (g‐C3N4) nanosheets.
Xiaobei Zhou   +8 more
wiley   +1 more source

Future Trends of Natural Refrigerants: Selection, Preparation, and Evaluation

open access: yesEngineering Proceedings
The field of refrigeration technology has played a pivotal role in modern society, providing essential cooling solutions for various industries, including food preservation, healthcare, and manufacturing.
Sheila Mae R. Bantillo   +5 more
doaj   +1 more source

Source origins, modeled profiles, and apportionments of halogenated hydrocarbons in the greater Pearl River Delta region, southern China [PDF]

open access: yes, 2009
We analyze 16-month data of 13 major halocarbons measured at a southern China coastal site in the greater Pearl River Delta (PRD). A total of 188 canister air samples were collected from August 2001 to December 2002.
Barletta, B   +11 more
core   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

Flow boiling heat transfer of a non-azeotropic mixture inside a single microchannel [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +3 more
core  

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