Blar i Institutt for energi og prosessteknikk på tittel
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Heating performance enhancement of a new design trombe wall using rectangular thermal fin arrays: An experimental approach
(Journal article; Peer reviewed, 2019)It has been nowadays recognized that addressing energy use in buildings can reduce the fossil fuels usage and CO2 emission. Trombe wall is a widely applicable passive solar design option that can significantly reduce the ... -
Heating power at room and building levels in passive houses and low-energy buildings
(Master thesis, 2015)This master thesis investigates the Norwegian standard for calculating necessary power demand, NS-EN 12831:2003- Varmesystemer i bygninger - Metode for beregning av dimensjonerende effektbehov. In that context, it is also ... -
Heating system performance estimation using optimization tool and BEMS data
(Journal article, 2008)Causes and effects of a few real faults in a hydronic heating system are explained in this paper. Since building energy management system (BEMS) has to be utilized in fault detection and diagnosis (FDD), practical explanations ... -
Helium Extraction from LNG End Flash
(Master thesis, 2014)Helium is an invaluable element as it is widely used in industry such as cryo-genics and welding due to its unique properties. However, helium shortage is expected in near future because of increasing demand and the anxiety ... -
HEM and HRM accuracy comparison for the simulation of CO2 expansion in two-phase ejectors for supermarket refrigeration systems
(Journal article; Peer reviewed, 2017)In this study, the accuracies of the homogeneous equilibrium (HEM) and homogeneous relaxation models (HRM) were compared. Both models were implemented in the ejectorPL computational tool. The HEM and HRM were used to ... -
Heterogeneity of consumption-based emissions and driving forces in Indian states
(Peer reviewed; Journal article, 2021)As the second most populous country in the world, India is on the way to rapid industrialization and urbanization, possibly becoming the next carbon giant. With its vast territory and high regional heterogeneity in terms ... -
Hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays as electrode for electrochemical energy storage
(Journal article; Peer reviewed, 2019)Herein, hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays are synthesized through a facile method. The electrochemical results show that combining CoNi2S4/Ni3S2 nanosheet arrays (as core) with Ni(OH)2 ... -
High aspect ratio deep RIE for novel 3D radiation sensors in high energy physics applications
(Journal article; Peer reviewed, 2009)3D detectors with electrodes penetrating through the entire silicon substrate have many advantages over conventional planar silicon technology, for example, high radiation tolerance. High aspect ratio through-wafer holes ... -
High efficiency heat recovery from ventilation air - Effektiv varmegjenvinning fra ventilasjonsluft
(Master thesis, 2017)The objective of this thesis has been to conduct both theoretical and practical work to investigate how to the calculations of effectiveness can be more representative. A literature study regarding field test of heat ... -
High flexibility in Francis turbine operation and design philosophy: A review
(Peer reviewed; Journal article, 2022)This paper examines and discusses how various operation schemes and design philosophies can prolong the expected lifetime of a hydro turbine subjected to many start-stop cycles and high ramping rates. With the proliferation ... -
High Order Numerical Simulation of Viscous Compressible Flow in a Simplified Geometry of the Human Upper Airways
(Master thesis, 2017)This master thesis is part of a project dealing with Obstructive sleep apnea syn- drome (OSAS). Its main goal is to extend an existing 2D code for compress- ible flow into the third dimension and verify it. The code solves ... -
High sensitivity of metal footprint to national GDP in part explained by capital formation
(Journal article; Peer reviewed, 2018)Global metal ore extraction tripled between 1970 and 2010 as metals are widely used in new infrastructure and advanced technology. Meanwhile, the energy and environmental costs of metal mining increase as lower ore grades ... -
High temperature filtration of biomass combustion and gasification processes
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:201, Doctoral thesis, 2008) -
High temperature gasification of high heating-rate chars using a flat-flame reactor
(Journal article; Peer reviewed, 2018)The increasing interest in gasification and oxy-fuel combustion of biomass has heightened the need for a detailed understanding of char gasification in industrially relevant environments (i.e., high temperature and ... -
High temperature heat pumps applying natural fluids
(Master thesis, 2014)The heat pump market has so far mainly focused on residential heat pumps for space heating and domestic hot water production. That means that industrial heat pumps are successfully integrated as low temperature heat ... -
High temperature heat pumps in dairy industry utilizing turbo compressor
(Master thesis, 2016)Abstract There exist several high temperature processes in UHT plants where a great amount of heat is wasted. To avoid this can energy efficient equipment be installed, such as high temperature heat pumps, which can ... -
High Temperature Heat Pumps in Integrated Energy Systems
(Master thesis, 2019)Klimaendringer er blitt et globalt problem som påvirker menneskets overlevelse og utvikling, mens karbonutslipp er en av hovedfaktorene. Som en grunnleggende byggestein i byen er nabolaget ikke bare det grunnleggende rommet ... -
High Temperature Heat Pumps in Integrated Energy Systems
(Master thesis, 2020)Denne oppgaven er en del av første trinn i prosjektet project «Key technologies and demonstration of combined cooling, heating, and power generation for low-carbon neighborhoods/buildings with clean energy – ChiNoZEN». En ... -
High Temperature Heat Pumps Using Zeotropic Refrigerant in Integrated Energy Systems
(Master thesis, 2022)Et integrert energisystem som består av en høytemperatur varmepumpe, termisk energilager i bakken, et solcelle paneler, et batteri og et termisk energilager ble modellert i Matlab og undersøkt. Høytemperatur varmepumpen ... -
High temperature industrial heat pumps utilising natural working fluids
(Chapter, 2019)There is a large demand for heat typically in the temperature range 100-200⁰C in different industries. This is today often covered by fossil fuel burning or direct use of electricity. Heat pumps has to a lesser extent been ...