Browsing NTNU Open by Title
Now showing items 40473-40492 of 100758
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Heat of Absorption of CO2 in Phase Change Solvents: 2-(Diethylamino)ethanol and 3-(Methylamino)propylamine
(Journal article; Peer reviewed, 2013)Heat of absorption of CO2 in phase change solvents containing 2-(diethylamino)ethanol (DEEA) and 3- (methylamino)propylamine (MAPA) were measured as a function of CO2 loading at different temperatures using a commercially ... -
Heat of reaction and VLE of post combustion CO2 absorbents
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:50, Doctoral thesis, 2009)The energy required to operate CO2 capture systems at present significantly reduces the overall efficiency of fossil fuel based power generation and other industrial processes and leads to increased fuel requirements, solid ... -
Heat processing of mackerel- Effect on lipids and proteins during heating and storage of heated and canned mackerel
(Master thesis, 2016)The objective of this work was to study the relationship between the oxidation of lipids and proteins as a function of heating temperature (60, 85, 120 and 121 °C) and storage time (2,9,21 and 30 days) in canned mackerel. ... -
Heat pump systems adapted to highly-insulated office buildings - Comparison between simulations and field measurement
(Master thesis, 2016)The temperature in the atmosphere is rising as a cause of human influence, and it was found that the building sector in 2012 emitted 18.4 % of the greenhouse gas (GHG) emissions on the planet (Pachauri et al., 2014). A ... -
Heat pump/chiller system for centralized kitchens in India
(Chapter, 2020)A heat pump unit using CO2 as working fluid is designed to meet not only a part of the heating demand in the centralised kitchen at The Akshaya Patra Foundation, Bengaluru, India, but also the entire cooling demand to ... -
Heat Pumping Systems for Chilling of Fish - Use of Impingement Freezer for Super Chilling
(Master thesis, 2010)Superkjøling er en teknologi som åpenbart har klare fordeler. Det å kunne forlenge holdbarheten samtidig som en bevarer kvaliteten og i tillegg øke effektiviteten på produksjonen, vil gi en gevinst for både forbruker og ... -
Heat recovery in combination with different heat pump solutions
(Master thesis, 2016)Abstract The aim for this Master s thesis has been to investigate and compare the performance of different methods for heat recovery from exhaust ventilation air. Energy efficiency of using a heat exchanger is compared to ... -
Heat Recovery in Combination with Different Heat Pump Solutions for Energy Supply
(Master thesis, 2015)The main purpose of this Master's thesis has been to investigate the performance of different methods of heat recovery from ventilation air. Comparisons have been made with regard to delivered energy for heating of domestic ... -
Heat recovery ventilation design limitations due to LHC for different ventilation strategies in ZEB
(Journal article; Peer reviewed, 2022) -
Heat release rate response of azimuthal thermoacoustic instabilities in a pressurized annular combustor with methane/hydrogen flames
(Journal article; Peer reviewed, 2022)In this study, the heat release rate (HRR) response during self-excited azimuthal thermoacoustic instabilities in a pressurized annular combustor is investigated for hydrogen/methane blended flames. The equivalence ratio ... -
Heat Sources, Thermal Conductivity and Heat Distribution in Electrochemical Energy Storage Technologies
(Doctoral theses at NTNU;2018:408, Doctoral thesis, 2018)The work presented in this thesis is based on taking thermal conductivity measurements of a range of materials used in three different electrochemical energy storage technologies. Specifically, two hydrogen technologies, ... -
Heat Storage for Cooking: A Discussion on Requirements and Concepts
(Peer reviewed; Journal article, 2023)Methodologies for direct and indirect solar energy for cooking are discussed. Clean and renewable energy solutions for cooking are, in particular, in demand in the sub-Saharan region where fuel wood is the main source of ... -
Heat Storage for oil based solar concentrators
(Master thesis, 2012)As the world’s energy demand increases, more and more focus is directed towards different solar energy solutions. In many African countries, a great share of the population cook their food with firewood as the energy source. ... -
Heat Storage for Vapour Based Solar Concentrators
(Master thesis, 2012)In a world where energy demand, population, and environmental concern are increasing by the day, the use of solar energy and other renewable energy sources becomes ever more important. Most of the African population lives ... -
Heat stress response is part of the isothiocyanate-induced response in Arabidopsis thaliana
(Master thesis, 2016)Heat stress responses (HSR) represent a multi-pathway system of adaptive responses to environmental changes. Common downstream targets of HSR pathways are the heat shock proteins, amongst them HSP101 (At1g74310). In ... -
Heat to H2 - Hydrogen production in a closed loop RED-system
(Master thesis, 2018)Reverse electrodialysis (RED) in an alternative for production of storable, renewable energy for the future. In the context of climate change, fossil fuel scarcity and international agreements such as the Paris Treaty, ... -
Heat to H2: Using Waste Heat for Hydrogen Production through Reverse Electrodialysis
(Journal article; Peer reviewed, 2019)This work presents an integrated hydrogen production system using reverse electrodialysis (RED) and waste heat, termed Heat to H2. The driving potential in RED is a concentration difference over alternating anion and cation ... -
Heat to H2: Using Waste Heat to Set Up Concentration Differences for Reverse Electrodialysis Hydrogen Production
(Journal article; Peer reviewed, 2018)The present work suggests two concepts for producing hydrogen by reverse electrodialysis. Reverse electrodialysis is a technology that uses concentration differences to create electrical energy. In this work, the energy ... -
Heat to Hydrogen by RED—Reviewing Membranes and Salts for the RED Heat Engine Concept
(Peer reviewed; Journal article, 2022)The Reverse electrodialysis heat engine (REDHE) combines a reverse electrodialysis stack for power generation with a thermal regeneration unit to restore the concentration difference of the salt solutions. Current approaches ... -
Heat to Hydrogen by Reverse Electrodialysis—Using a Non-Equilibrium Thermodynamics Model to Evaluate Hydrogen Production Concepts Utilising Waste Heat
(Peer reviewed; Journal article, 2022)The reverse electrodialysis heat engine (REDHE) is a promising salinity gradient energy technology, capable of producing hydrogen with an input of waste heat at temperatures below 100 °C. A salinity gradient drives water ...