Blar i SINTEF Energi på tidsskrift "Applied Thermal Engineering"
Viser treff 1-13 av 13
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Analysis of an integrated heating and cooling system for a building complex with focus on long–term thermal storage
(Journal article; Peer reviewed, 2018) -
Annual energy performance of R744 and R410A heat pumping systems
(Journal article; Peer reviewed, 2017)This work compares the annual energy performance of heat pumping systems using R744 and R410A as refrigerant. Focus is the annual energy efficiency of R744 hybrid ground-coupled heat pumping system. The hybrid system uses ... -
Cold thermal energy storage for industrial CO refrigeration systems using phase change material: An experimental study
(Peer reviewed; Journal article, 2022)Refrigeration systems in industrial food processing plants are large users of electric energy and often show high peak power consumption. Cold thermal energy storage (CTES) technology integrated into refrigeration systems ... -
Dynamics and control of large-scale fluidized bed plants for renewable heat and power generation
(Peer reviewed; Journal article, 2022)As the share of variable renewable electricity increases, thermal power plants will have to adapt their operational protocols in order to remain economically competitive while also providing grid-balancing services required ... -
Evaluation of a New System Combining Wood-Burning Stove, Flue Gas Heat Exchanger and Mechanical Ventilation with Heat Recovery in Highly-Insulated Houses
(Journal article; Peer reviewed, 2019)The performance of an innovative flue gas heat exchanger (FGHE) located at the exit of a wood-burning stove (log or pellet) to pre-heat ventilation air has been assessed for highly insulated detached houses. For this ... -
Integrated high temperature heat pumps and thermal storage tanks for combined heating and cooling in the industry
(Peer reviewed; Journal article, 2021)This study investigates the integrated heat pump system of a green-field dairy located in Bergen, Norway. The purpose of the study is to determine the energy consumption and system performance. The dairy features a novel ... -
Multiejector CO2 cooling system with evaporative gascooler for a supermarket application in tropical regions
(Peer reviewed; Journal article, 2021)In the present study, the performance of a 33 kW multiejector trans-critical CO2 cooling system is experimentally evaluated for a supermarket application with/without internal heat exchanger and evaporative cooling. In ... -
A multiscale porous–resolved methodology for efficient simulation of heat and fluid transport in complex geometries, with application to electric power transformers
(Peer reviewed; Journal article, 2020)The numerical simulation of fluid flow through a complex geometry with heat transfer is of strong interest for many applications, such as oil-filled power transformers. A fundamental challenge here is that high resolution ... -
Parametric study of low-temperature thermal energy storage using carbon dioxide as the phase change material in pillow plate heat exchangers
(Peer reviewed; Journal article, 2022)Industrial low-temperature freezing applications are often batch processes, requiring a lot of energy, exerting stress on the electrical grid. To relieve this stress, thermal energy storage can be used. However, there is ... -
Plate fin-and-tube heat exchanger computational fluid dynamics model
(Peer reviewed; Journal article, 2021)Insight into thermal–hydraulic correlations of plate fin-and-tube heat exchangers is of great interest in many industrial applications. Numerical simulations allow to efficiently and accurately obtain air-side heat transfer ... -
Potentials and challenges for pillow-plate heat exchangers: State-of-the-art review
(Peer reviewed; Journal article, 2022)For a long time, shell-and-tube heat exchangers have been the most common choice in the industry. Despite some limitations, their main advantage is that they have been extensively investigated and reliable design tools are ... -
A review of the use of nanofluids as heat-transfer fluids in parabolic-trough collectors
(Peer reviewed; Journal article, 2022)Due to their enhanced thermophysical properties, nanofluids have great potential for improving heat-transfer efficiency. Nanofluids are employed in various thermal applications in the automotive industry, heat exchangers, ... -
Thermal energy storage for increased waste heat recovery at a silicon production plant in Norway
(Peer reviewed; Journal article, 2022)The production of silicon is an energy-intensive process, which requires high temperatures. Sudden release of high-temperature gas to the exhaust system is an inevitable part of silicon furnace operation and causes strong ...