Blar i Institutt for energi og prosessteknikk på dokumenttype "Chapter"
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A cartesian cut-cell method, based on formal volume averaging of mass, momentum equations
(Chapter, 2017)Simulation of multiphase flows are generally treated by various classes of Eulerian methods, Lagrangian methods and various combinations of these. In the SIMCOFLOW initiative we have set out to develop a framework for ... -
A CFD analysis for the performance assessment of a novel design of plates-in-tank latent storage unit for freezing applications
(Chapter, 2019)In this paper, the charging and discharging processes of a recently developed cold thermal energy storage (CTES) unit integrated into a poultry processing plant is investigated. A mathematical model of the CTES was created ... -
A review on recent technological advancements in multi-ejector concept
(Chapter, 2018)As a consequence of the coming into force of the EU F-Gas Regulation 517/2014, enormous technological developments have been experienced on the part of transcritical R744 supermarket refrigeration systems. These have led ... -
A simulation concept for generic simulation of multi-material flow using staggered cartesian grids
(Chapter, 2017)Simulation of multiphase flows is generally treated by various classes of Eulerian methods, Lagrangian methods, and various combinations of these. In the SIMCOFLOW initiative, we have set out to develop a framework for ... -
A Socio-economic Metabolism Approach to Sustainable Development and Climate Change Mitigation
(Chapter; Peer reviewed, 2016) -
A Wall-Function Approach for Direct Precipitation/Crystallization Fouling in CFD Modelling
(Chapter, 2015)The main objective of this paper is to present a generic modelling framework, for the diffusive mass transport through the turbulent, reactive boundary layer of multi-component fluid mixtures that ... -
Active latent heat storage using biowax in a central heating system of a ZEB living lab
(Chapter, 2020)The Zero Emission Building (ZEB) lab in Trondheim (Norway), owned by SINTEF and NTNU, provides a structure to develop and test innovative solutions in a living laboratory. An innovative latent heat storage (LHS) unit using ... -
Advanced R744 solution for supermarkets, hotel chillers and maritime applications in India
(Chapter, 2022)R744 integrated systems can meet oscillating heating and cooling demands efficiently and become a game changer in countries such as India. The present work aims to develop and present R744 system designs and disseminate ... -
Advantage of CO2 heat pump chiller for the application in Indian hotels
(Chapter, 2023)Hotels in India conventionally use diesel-fired hot water generators to meet hot water demands at 46°C. These are inefficient and also release high emissions. This study focuses on the energy saving and emission reduction ... -
Analysis of R744 refrigeration system with liquid ejectors
(Chapter, 2018)In recent years, there is a rapid increase in the cooling demand. Hence, not only the consumption of energy, but also the quantity of the refrigerants released into the air is increasing globally leading to planetary ... -
Analysis of the effect of indoor environment on pupils’ health in one Norwegian school during COVID-19 pandemic
(Chapter, 2021)The aim of this project is to investigate and predict the quantified effect of indoor environment on pupils’ health in schools in Norway during the COVID-19 pandemic. The results are based on field measurements of the ... -
Analysis of Wear Performance of Two Finger Seal Structure
(Chapter, 2021)To reveal the wear law of parabola-shaped and arc-shaped finger seals (FSs), the wear characteristics of parabola-shaped and arc-shaped FSs were studied in this paper. Firstly, a formula for calculating the contact stress ... -
Application of natural refrigerants in the industrial refrigeration and heat pumps in the future
(Chapter, 2022)For more than 150 years natural refrigerants have been used in various industrial applications reaching temperatures from -273°C to more than 300°C and the level of the high temperature limit is difficult to estimate at ... -
Application Of Refrigeration Technologies For Energy Efficient Production Of Fish Protein Hydrolysates
(Chapter, 2022)Fish protein hydrolysate (FPH) is one of the most efficient and sustainable way to recover the valuable nutrients from fish remaining materials and has a widespread application. However, the production of FPH demands ... -
Attaining a higher flexibility degree in CO2 compressor racks
(Chapter, 2020)CO2 compressor racks have shown their suitability for commercial and industrial refrigeration systems at any location and climate. Even if some references state that CO2 units can compete in capital cost with any other ... -
CFD modeling of ice formation and melting in horizontally cooled and heated plates
(Chapter, 2019)This paper investigates the ice formation and melting processes in a novel CTES unit using the commercial CFD software ANSYS Fluent 19. The storage unit is designed to operate as a peak shaving device integrated into the ... -
CFD Simulations of Turbulent Flow in the Human Upper Airways
(Chapter, 2017)In this paper, investigations are conducted using Reynolds-averaged Navier-Stokes (RANS) turbulence models to investigate the importance of turbulence modelling for nasal inspiration at a constant flow rate of 250 ml/s. ... -
CFD study on the effect of Archimedes number and heating rate on the thermal stratification of a ventilated office
(Chapter, 2018)This paper dealt with simulating a typical occupied office equipped with displacement ventilation using CFD method. The STAR-CCM+ commercial software was employed for performing the simulations in order to analyze the trend ...