Search Results - "Thern, Marcus"

Energy and Exergy Analysis of a Cruise Ship by Baldi, Francesco, Ahlgren, Fredrik, Nguyen, Tuong-Van, Thern, Marcus, Andersson, Karin

“…In recent years, the International Maritime Organization agreed on aiming to reduce shipping’s greenhouse gas emissions by 50% with respect to 2009 levels…”
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Automated Statistical Methods for Fault Detection in District Heating Customer Installations by Månsson, Sara, Davidsson, Kristin, Lauenburg, Patrick, Thern, Marcus

“…In order to develop more sustainable district heating systems, the district heating sector is currently trying to increase the energy efficiency of these…”
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A Fault Handling Process for Faults in District Heating Customer Installations by Månsson, Sara, Thern, Marcus, Johansson Kallioniemi, Per-Olof, Sernhed, Kerstin

“…Faults in district heating (DH) customer installations cause high return temperatures, which have a negative impact on both current and future district heating…”
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Investigation of Methane Oxy-Fuel Combustion in a Swirl-Stabilised Gas Turbine Model Combustor by Li, Mao, Tong, Yiheng, Thern, Marcus, Klingmann, Jens

“…CO2 has a strong impact on both operability and emission behaviours in gas turbine combustors. In the present study, an atmospheric, preheated,…”
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Performance Comparison between Steam Injected Gas Turbine and Combined Cycle during Frequency Drops by Bahrami, Saeed, Ghaffari, Ali, Genrup, Magnus, Thern, Marcus

“…Single-shaft gas turbine and its cycles are sensitive to frequency drops and, therefore, sudden change loads or large frequency dips might affect their…”
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Influence of the Steam Addition on Premixed Methane Air Combustion at Atmospheric Pressure by Li, Mao, Tong, Yiheng, Thern, Marcus, Klingmann, Jens

“…[...]the steam addition decreases the concentrations of the active radicals which, therefore, affects the reaction kinetics for NOx formation [5]. According to…”
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Experimental Study of Hydrogen Addition Effects on a Swirl-Stabilized Methane-Air Flame by Li, Mao, Tong, Yiheng, Klingmann, Jens, Thern, Marcus

“…The effects of H2 addition on a premixed methane-air flame was studied experimentally with a swirl-stabilized gas turbine model combustor. Experiments with 0%,…”
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Impact of Vitiation on a Swirl-Stabilized and Premixed Methane Flame by Li, Mao, Tong, Yiheng, Klingmann, Jens, Thern, Marcus

“…[...]in present work, the vitiation effects of N2, CO2, and H2O were investigated with a swirl-stabilized gas turbine model combustor under atmospheric…”
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Method for addressing bottleneck problems in district heating networks by Brange, Lisa, Sernhed, Kerstin, Thern, Marcus

“…To work with lowering the system temperatures in district heating (DH) grids is an important factor for system efficiency. Lower system temperatures are…”
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Improving the Transient Performance of the Gas Turbine by Steam Injection during Frequency Dips by Bahrami, Saeed, Ghaffari, Ali, Thern, Marcus

“…Single-shaft gas turbines are sensitive to frequency changes which might affect the grid stability during large frequency drops. This paper presents a new…”
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Identifying a simplified model for heavy duty gas turbine by Bahrami, Saeed, Ghaffari, Ali, Hossein Sadati, S., Thern, Marcus

“…A dynamic model was developed for long-term simulation of a heavy duty gas turbine. The model includes the essential control algorithm of the gas turbine as…”
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Bottlenecks in district heating networks and how to eliminate them – A simulation and cost study by Brange, Lisa, Lauenburg, Patrick, Sernhed, Kerstin, Thern, Marcus

“…To optimise district heating (DH) systems and simplify the transition towards the fourth generation of district heating, it is important to remove any…”
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Dynamic modelling and controlling strategy of polymer electrolyte fuel cells by Qi, Yuanxin, Espinoza-Andaluz, Mayken, Thern, Marcus, Li, Tingshuai, Andersson, Martin

“…A comprehensive dynamic control oriented model of a polymer electrolyte fuel cell (PEFC) is developed, considering the mixed effects of temperature, gas flow…”
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Quasi-steady state simulation of an organic Rankine cycle for waste heat recovery in a passenger vessel by Mondejar, Maria E., Ahlgren, Fredrik, Thern, Marcus, Genrup, Magnus

“…•A regenerative ORC integrated for waste heat recovery of the exhaust gases in a ship was performed.•A quasi-steady state simulation was carried out to…”
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Optimize process parameters of microwave-assisted EDTA method using orthogonal experiment for novel BaCoO3−δ perovskite by Shen, Qiuwan, Zheng, Ying, Li, Shian, Ding, Haoran, Xu, Yongqing, Zheng, Chuguang, Thern, Marcus

“…Oxyfuel process is a promising technique for carbon capture and storage, and a new application of perovskite-type oxide is as oxygen carrier for CO2 capture in…”
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Faults in district heating customer installations and ways to approach them: Experiences from Swedish utilities by Månsson, Sara, Johansson Kallioniemi, Per-Olof, Thern, Marcus, Van Oevelen, Tijs, Sernhed, Kerstin

“…The district heating (DH) customer installations in current DH systems contain a variety of different faults that cause the return temperatures of the systems…”
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Gas turbine sensor validation through classification with artificial neural networks by Palmé, Thomas, Fast, Magnus, Thern, Marcus

“…► Neural networks trained to detect failing sensors through classification. ► Normal operational data for model development. ► Generic applicability is…”
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Polymer electrolyte fuel cell system level modelling and simulation of transient behavior by Qi, Yuanxin, Espinoza-Andaluz, Mayken, Thern, Marcus, Andersson, Martin

“…In this paper, a system level model for a polymer electrolyte fuel cell (PEFC) system, which is capable of characterizing transient behavior using the control…”
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Thermodynamic studies of a HAT cycle and its components by Nyberg, Björn, Thern, Marcus

“…► Performance maps for HAT cycles with different complexity are shown. ► A suggestion, where to extract cooling air for the turbine is presented. ► The…”
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Dynamic Modeling of a Parabolic Trough Solar Thermal Power Plant with Thermal Storage Using Modelica by Montañés, Rubén M., Windahl, Johan, Pålsson, Jens, Thern, Marcus

“…Concentrating solar power (CSP) technology with thermal energy storage is a renewable and emerging technology. In this work, dynamic models for analyzing and…”
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