Results 101 to 110 of about 157,695 (360)
Ground-source heat pumps and underground thermal energy storage: energy for the future [PDF]
, 2008 We need energy for space heating—but in most cases not where or when energy sources are available. Energy storage, which helps match energy supply and demand, has been practised for centuries, also in Norway.
Banks, D. +4 more
core
Ice Lithography: Recent Progress Opens a New Frontier of Opportunities
Advanced Functional Materials, EarlyView.This review focuses on recent advancements in ice lithography, including breakthroughs in compatible precursors and substrates, processes and applications, hardware, and digital methods. Moreover, it offers a roadmap to uncover innovation opportunities for ice lithography in fields such as biological, nanoengineering and microsystems, biophysics and ...
Bingdong Chang +9 more
wiley +1 more source
Role of Heat Pump Technologies in Reducing Carbon Emissions in the Heating Sector [PDF]
E3S Web of ConferencesHeat pumps are emerging as a key technology for cutting carbon emissions in residential heating. This study explores how two common types — air-source heat pumps (ASHPs) and ground-source heat pumps (GSHPs) — can reduce emissions compared to conventional
Sanjar Narbayev +4 more
doaj +1 more source
Performance Analysis of CO2 Air-source Heat Pump Heating System
Zhileng xuebao, 2020 The energy efficiency of conventional CO2 systems used for heating is low. Therefore, cascade and subcooling systems can be adopted to improve the performance of CO2 systems. In this study, the thermodynamic models of a baseline CO2 system (BASE), R410A vapor injection system, cascade system, indirect dedicated mechanical subcooling CO2 system (IDMS ...
Qi Haifeng +5 more
openaire +1 more source
DEVELOPMENT OF A SCROLL COMPRESSOR MODEL FOR PROPANE
, 2012 International audienceHydrocarbons are today considered as promising alternative substances because of their low environmental impact and their easy implementation in heat pumps. The heat pumping technology is similar to that of HFCs.
Byrne, Paul +2 more
core +1 more source
Energy efficiency opportunities in the service plants of cast iron foundries in Italy [PDF]
, 2017 Though in a foundry most of the energy is used in the process plants and particularly in energizing furnaces, service plants require absolutely large amounts of energy, above all as electricity.
Lazzarin, Renato, Noro, Marco
core +1 more source
Advanced Functional Materials, EarlyView.This research presents a novel implantable bio‐battery, GF‐OsG, tailored for diabetic bone repair. GF‐OsG generates microcurrents in high‐glucose conditions to enhance vascularization, shift macrophages to the M2 phenotype, and regulate immune responses.
Nanning Lv +10 more
wiley +1 more source
Two‐Dimensional Materials as a Multiproperty Sensing Platform
Advanced Functional Materials, EarlyView.Various sensing modalities enabled and/or enhanced by two‐dimensional (2D) materials are reviewed. The domains considered for sensing include: 1) optoelectronics, 2) quantum defects, 3) scanning probe microscopy, 4) nanomechanics, and 5) bio‐ and chemosensing.
Dipankar Jana +11 more
wiley +1 more source
Zhileng xuebao, 2006 Rich surface water resources in south China can be utilized as heat source-sink for heat pump systems.A district heating and cooling system that utilizes lake water as heat source-sink of heat pumps has been constructed in Xiangtan,a city in Hunan ...
陈晓 +4 more
doaj +2 more sources
Assessment of Replacing Gas Boilers with Heat Pumps for Hot Water Preparation in Car Washes [PDF]
E3S Web of ConferencesThe study provides a complex analysis for replacement of the natural gas boilers with air to water heat pumps, as the heat source for the hot water to be used in the car washing machines.
Talaba Ovidiu +3 more
doaj +1 more source