Results 1 to 10 of about 2,141 (217)

Incremental Clustering for Predictive Maintenance in Cryogenics for Radio Astronomy [PDF]

Sensors
In a cooling system for radio astronomy receivers, maintaining cold heads and compressors is essential for consistent performance. This project focuses on monitoring the power currents of the cold head’s motor to address potential mechanical ...
Alessandro Cabras, Pierluigi Ortu, Tonino Pisanu, Paolo Maxia, Roberto Caocci   +4 more
doaj   +2 more sources

Thermodynamic analysis on direct air capture for building air condition system: Balance between adsorbent and refrigerant

Energy and Built Environment, 2023
Direct air capture (DAC) is one of the most potential technologies to mitigate CO2 emission. Adsorption technology is recognized as a promising CO2 capture method in view of its desirable characteristics including reusability of adsorbents and low ...
Ying Ji, Jinyuan Yong, Wei Liu, Xuejun Zhang, Long Jiang   +4 more
doaj   +1 more source

Improvements perspectives of cryogenics-based energy storage [PDF]

E3S Web of Conferences, 2019
Advanced exergy-based analyses provide the information for potential of improvement of energy- conversion systems from exergetic, economic and environmental point of view.
Incer Jimena, Hamdy Sarah, Morosuk Tatiana, Tsatsaronis Georges   +3 more
doaj   +1 more source

A review of data mining technologies in building energy systems: Load prediction, pattern identification, fault detection and diagnosis

Energy and Built Environment, 2020
With the advent of the era of big data, buildings have become not only energy-intensive but also data-intensive. Data mining technologies have been widely utilized to release the values of massive amounts of building operation data with an aim of ...
Yang Zhao, Chaobo Zhang, Yiwen Zhang, Zihao Wang, Junyang Li   +4 more
doaj   +1 more source

Assessment of viability of sperm cells of Litopenaeus vannamei on cryopreservation [PDF]

Brazilian Archives of Biology and Technology, 2014
Aiming at assessing the cryopreservation potential of Litopenaeus vannamei sperm cells, 74 spermatophores were manually extracted from the sexually mature individuals.
Marcela Fornari Uberti, Felipe do Nascimento Vieira, Helena Ragibo Salência, Genyess da Silva Vieira, Luis Alejandro Vinatea   +4 more
doaj   +3 more sources

Design of the Cryogenic Bypass Line for the SIS100 Synchrotron

Applied Sciences, 2020
This paper presents the selected aspects of a superconducting cryogenic bypass line (BPL) design, a part of the international Facility for Antiproton and Ion Research (FAIR) SIS100 cryogenic system, currently under construction in Darmstadt, Germany ...
Artur Iluk, Kazimierz Malcher, Wiktor Słomski, Maciej Chorowski, Jarosław Poliński, Thomas Eisel, Branislav Streicher, Peter Spiller   +7 more
doaj   +1 more source

Impact of Cryogenics on Cavitation through an Orifice: A Review

Energies, 2021
Cryogenic cavitation affects the operation of liquid propulsion systems during the first phase of a launch. Its effects within orifices or turbopumps can range from mild instabilities to catastrophic damages to the structures, jeopardizing the launch ...
Claudia Esposito, Johan Steelant, Maria Rosaria Vetrano   +2 more
doaj   +1 more source

Remote Cooling of Rolls in Hot Rolling; Applicability to Other Processes

Metals, 2021
A novel method of cooling rolls in hot rolling is proposed. This method uses a combination of solid jet nozzles and specially shaped deflecting vanes. The vanes transform the incoming cylindrical water jet into a flat fan.
Jan Bohacek, Miroslav Raudensky, Petr Kotrbacek   +2 more
doaj   +1 more source

Simultaneous atmospheric water production and 24-hour power generation enabled by moisture-induced energy harvesting

Nature Communications, 2022
Water and electricity scarcity are two global challenges, especially in arid and remote areas. Harnessing ubiquitous moisture and sunlight for water and power generation is a sustainable route to address these challenges.
Tingxian Li, Minqiang Wu, Jiaxing Xu, Ruxue Du, Taisen Yan, Pengfei Wang, Zhaoyuan Bai, Ruzhu Wang, Siqi Wang   +8 more
doaj   +1 more source

Investigation of the Performance of Thermodynamic Analysis Models for a Cryocooler PPG-102 Stirling Engine

Energies, 2023
Three distinct thermodynamic analysis models are developed and applied to a renowned cryogenic engine (PPG-102), namely the isothermal model, the ideal Schmidt model, and the ideal adiabatic model. Through a comparative analysis, the theoretical outcomes
George Antonakos, Irene Koronaki, George-Rafael Domenikos, Serafeim Baltadouros   +3 more
doaj   +1 more source