Blar i NTNU Open på forfatter "Cloete, Jan Hendrik"
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Development of Anisotropic Filtered Two Fluid Model Closures
Cloete, Jan Hendrik (Doctoral theses at NTNU;2018:148, Doctoral thesis, 2018)Filtered modelling of dynamic gas-particle flows has been actively studied by various groups around the world for more than a decade. Even so, the great complexity of this field of study means that several important knowledge ... -
Efficient hydrogen production with CO2 capture using gas switching reforming
Nazir, Shareq Mohd; Cloete, Jan Hendrik; Cloete, Schalk Willem Petrus; Amini, Shahriar (Journal article; Peer reviewed, 2019)Hydrogen is a promising carbon-neutral energy carrier for a future decarbonized energy sector. This work presents process simulation studies of the gas switching reforming (GSR) process for hydrogen production with integrated ... -
Gas switching reforming (GSR) for power generation with CO2 capture: Process efficiency improvement studies
Nazir, Shareq Mohd; Cloete, Jan Hendrik; Cloete, Schalk Willem Petrus; Amini, Shahriar (Journal article; Peer reviewed, 2019)This paper presents the process improvement studies of a combined cycle power plant integrated with a novel gas switching reforming (GSR) process for hydrogen production with integrated CO2 capture. The overall process is ... -
Gas switching technology: Economic attractiveness for chemical looping applications and scale up experience to 50 kWth
Ugwu, Ambrose; Arnaiz del Pozo, Carlos; Zaabout, Abdelghafour; Nazir, Shareq Mohd; Kalendar, Nimet Uzun; Cloete, Schalk Willem Petrus; Szima, Szabolcs; Fogarasi, Szabolcs; Donat, Felix; van Diest, Geert; Cloete, Jan Hendrik; Jiménez Álvaro, Ángel; Albertsen, Knuth; Cormos, Ana-Maria; Cormos, Calin-Cristian; Amini, Shahriar (Peer reviewed; Journal article, 2022)Gas switching technology (GST) was introduced to facilitate operation and scale-up of pressurized chemical looping-based technologies thus bringing the expected benefits of reducing costs and energy penalty of CO2 capture. ... -
On efficient modelling of radical production in cavitation assisted reactors
Ozan, Suat Canberk; Muller, Pascal Jan; Cloete, Jan Hendrik (Peer reviewed; Journal article, 2024)Process intensification by cavitation is gaining widespread attention due to the benefits that the intense bubble collapse conditions can provide, yet, several knowledge gaps exist in the modelling of such systems. This ... -
On the choice of closure complexity in anisotropic drag closures for filtered Two Fluid Models
Cloete, Jan Hendrik; Cloete, Schalk Willem Petrus; Radl, Stefan; Amini, Shahriar (Peer reviewed; Journal article, 2019)Filtered Two Fluid Models (fTFMs) aim to enable accurate industrial-scale simulations of fluidized beds by means of closures accounting for the effects of bubbles and clusters. The present study aims to improve anisotropic ... -
Pathways to low-cost clean hydrogen production with gas switching reforming
Nazir, Shareq Mohd; Cloete, Jan Hendrik; Cloete, Schalk Willem Petrus; Amini, Shahriar (Peer reviewed; Journal article, 2020)Gas switching reforming (GSR) is a promising technology for natural gas reforming with inherent CO2 capture. Like conventional steam methane reforming (SMR), GSR can be integrated with water-gas shift and pressure swing ... -
Simulation-Based Design and Economic Evaluation of a Novel Internally Circulating Fluidized Bed Reactor for Power Production with Integrated CO2 Capture
Cloete, Jan Hendrik; Khan, Mohammed Nazeer Ul Hasan; Cloete, Schalk Willem Petrus; Amini, Shahriar (Journal article; Peer reviewed, 2019)Limiting global temperature rise to well below 2 °C according to the Paris climate accord will require accelerated development, scale-up, and commercialization of innovative and environmentally friendly reactor concepts. ... -
Techno-economic Comparison Of Combined Cycle Power Plants With Pre-combustion CO2 Capture Via Two Different Reforming Methods: Chemical Looping Reforming And Gas Switching Reforming
Nazir, Shareq Mohd; Cloete, Jan Hendrik; Cloete, Schalk Willem Petrus; Amini, Shahriar (Journal article, 2018)This paper focuses on the techno-economic comparison of gas-fired combined cycle power plants with CO2 capture and two reforming methods, chemical looping reforming (CLR) and gas-switching reforming (GSR). The overall ... -
The potential of chemical looping combustion using the gas switching concept to eliminate the energy penalty of CO2 capture
Arnáiz del Pozo, Carlos; Cloete, Schalk Willem Petrus; Cloete, Jan Hendrik; Jiménez Álvaro, Ángel; Amini, Shahriar (Journal article; Peer reviewed, 2019)Energy penalty is the primary challenge facing CO2 capture and storage (CCS) technology. One possible solution to this challenge is gas switching combustion (GSC): a promising technology for gaseous fuel combustion with ...