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Halldór Pálsson - Professor

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School of Engineering and Natural Sciences

Halldór Pálsson

Professor

Location
VR-2 / V02-244
Phone
525 - 4184
Email
halldorp [at] hi.is

Unit
Faculty of Industrial Engineering, Mechanical Engineering and Computer Science
Website
http://www.mendeley.com/profiles/halldor-palsson2/

Published works

2024

Refracture and mortality risk in the elderly with osteoporotic fracturesOsteoporosis International

2023

Heat Exchange and Durability Performance of Ni-P-PTFE Coatings in Geothermal Heat Exchanger Boiling Environment
Corrosion Testing of Coatings in Simulated ORC Geothermal Heat Exchanger Environment
Deep learning-based approach to R-134a bubble detection and analysis for geothermal applicationsCase Studies in Thermal Engineering

2022

Finite element derived femoral strength is a better predictor of hip fracture risk than aBMD in the AGES Reykjavik study cohortBone
Fast and robust femur segmentation from computed tomography images for patient-specific hip fracture risk screeningComputer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization
Improving Student Learning Experience in Fluid Mechanics with Lecture/Lab Alignment and Post-Lab DiscussionInternational Journal of Engineering Education
Pyflow Wellbore Simulator

2021

Automated femur segmentation from computed tomography images using a deep neural network

2020

Balancing student workload with learning outcome – the search for suitable assignment format for a fluid mechanics labInternational Journal of Engineering Education
Life cycle assessment of a geothermal combined heat and power plant based on high temperature utilizationGeothermics
Quantifying the relationship of porosity and alteration based on lithology classification in icelandic rocks
Empirical relationships between bone density and ultimate strength: A literature reviewJournal of the Mechanical Behavior of Biomedical Materials
High-Temperature Geothermal Utilization in the Context of European Energy Policy—Implications and LimitationsEnergies

2019

A probabilistic geologic model of the Krafla geothermal system constrained by gravimetric dataGeothermal Energy
Biofidelic finite element models for accurately classifying hip fracture in a retrospective clinical study of elderly women from the AGES Reykjavik cohortBone

2018

On the Failure Initiation in the Proximal Human Femur Under Simulated Sideways FallAnnals of Biomedical Engineering
Mesh Twisting Technique for Swirl Induced Laminar Flow Used to Determine a Desired Blade ShapeApplied Sciences
Material mapping strategy to improve the predicted response of the proximal femur to a sideways fall impactJournal of the Mechanical Behavior of Biomedical Materials

2017

Machine learning for creation of generalized lumped parameter tank models of low temperature geothermal reservoir systemsGeothermics
Structural Analysis of the Casings in Deep Geothermal Wells
Data Fusion for Hydrothermal Reservoir Characterization Through Use of Bayesian Statistical Inference and MCMC Maximum Likelihood Models
Fouling Detection in a Parallel Flow Heat Exchanger via a Roesser Model Identification ProcedureIFAC-PapersOnLine
Modelling and analysis of a horizontal direct chill casting processMinerals, Metals and Materials Series

2016

Interactive graph-cut segmentation for fast creation of finite element models from clinical ct data for hip fracture predictionComputer Methods in Biomechanics and Biomedical Engineering
Heat exchanger identification by using iterative fuzzy observersHeat and Mass Transfer/Waerme- und Stoffuebertragung
Complexity analysis of generalized tank models
The influence of the modulus-density relationship and the material mapping method on the simulated mechanical response of the proximal femur in side-ways fall loading configurationMedical Engineering and Physics
Morphology based anisotropic finite element models of the proximal femur validated with experimental dataMedical Engineering and Physics
Online fouling detection of domestic hot water heat exchangersHeat Transfer Engineering
Fundamental mode of freely decaying laminar swirling flowsApplied Mathematical Modelling
Structural modeling of the casings in the IDDP-1 wellGeothermics

2015

Structural Analysis of Casings in High Temperature Geothermal Wells in Iceland
Calculation of relative permeabilities of water and steam from laboratory measurementsGeothermics
Modeling Hydrothermal Systems with OpenFOAM
Structural modeling of the casings in high temperature geothermal wellsGeothermics
Relative Permeability Measurements and Comparison to Field Data
Design of a device to induce swirling flow in pipesComptes Rendus - Mecanique
Calculation of relative permeabilities from field data and comparison to laboratory measurementsGeothermics
Life cycle inventory of a flash geothermal combined heat and power plant located in IcelandInternational Journal of Life Cycle Assessment
Mixed integer optimization model for utilizing a geothermal reservoirGeothermics

2014

Numerical Model for Mist Separators
Geothermal District Heating Systems in Iceland: A Life Cycle Perspective with Focus on Primary Energy Efficiency and CO2 Emission
Utilization of the chloride bearing, superheated steam from IDDP-1Geothermics

2013

A Numerical Simulation of a Boiling Front Moving Through Porous Medium
The wellbore simulator flowell
Measurements of relative permeabilities for water and steam
Using Probabilistic Analysis with Finite Element Modeling of High Temperature Geothermal Well Casings
Experimental and CFD simulation of heat efficiency improvement ingeothermal spasEnergy
Collapse analysis of the casing in high temperature geothermal wells
A coupled wellbore-reservoir simulator utilizing measured wellhead conditions
A numerical analysis on flow in hydrothermal systems
Inducing swirling flow in heat exchanger pipes for reduced fouling rateHeat Transfer Engineering

2012

Temperature fluctuations and quality deterioration of chilled cod (Gadus morhua) fillets packaged in different boxes stored on pallets under dynamic temperature conditionsInternational Journal of Refrigeration
Numerical modelling of temperature fluctuations in superchilled fish loins packaged in expanded polystyrene and stored at dynamic temperature conditionsInternational Journal of Refrigeration
Improved power production efficiency of hydrothermal reservoirs using downhole pumps
Coupling wellbore simulator with reservoir simulator
Effect of flow configuration on the relative permeabilities of water and steam in two phase flow in geothermal reservoirs
Modeling liquid dominated two phase flow in geothermal reservoirs in vicinity to, and inside wells
Numerical modelling of temperature fluctuations in superchilled fish loins packaged in expanded polystyrene and stored at dynamic temperature conditionsInternational Journal of Refrigeration
COUPLING WELLBORE SIMULATOR WITH RESERVOIR; PROCEEDINGS
Thermal and Structural Analysis of the Casing in a High Temperature Geothermal Well During Discharge
Waste-heat for pre-heating internal combustion engines
Development of a Coupled Geothermal Reservoir-Wellbore Simulator Using Measured Wellhead Parameters and Inverse Analysis
Numerical modelling of temperature fluctuations of chilled and superchilled cod fillets packaged in expanded polystyrene boxes stored on pallets under dynamic temperature conditionsJournal of Food Engineering

2011

Continuous-time linear parameter-varying identification of a cross flow heat exchangerIEEE Transactions on Control Systems Technology
LOAD HISTORY AND BUCKLING OF THE PRODUCTION CASING IN AbHIGH TEMPERATURE GEOTHERMAL WELL
Numerical Modelling of Temperature Fluctuations in Superchilled Fish Loins Packaged in Expanded Polystyrene and Stored at Dynamic Temperature Conditions
Numerical heat transfer modelling for improving thermal protection of fish packaging
A Methodology for Optimal Geothermal Pipeline Route Selection With Regards to Visual Effects Using Distance Transform Algorithms
Simulation of Two-Phase Flow in Geothermal Pipes
Comparison of fouling detection between a physical model and a black box model
Detection of fouling in a heat exchanger by application of a lock-in technique
Increased shear stress in annular swirling flow for reduced fouling rate
Load History and Buckling of the Production Casing in a High Temperature Geothermal Well
Methodology for pipeline route selection using the NSGA II and distance transform algorithms
Experimental and numerical modelling comparison of thermal performance of expanded polystyrene and corrugated plastic packaging for fresh fishInternational Journal of Refrigeration
SIMULATION OF TWO-PHASE FLOW IN GEOTHERMAL PIPES USING SMOOTHED PARTICLE HYDRODYNAMICS

2010

Comparison of Methods for Utilization of Geothermal Brine for Power Production
Assessing relative permeabilities of two phase flows of water and steam in geothermal reservoirs
Detection of fouling in a cross-flow heat exchanger using a neural network based techniqueInternational Journal of Thermal Sciences
Heat recovery from the exhaust gas of aluminum reduction cells
Modeling and Optimization of Possible Bottoming Units for General Single Flash Geothermal Power Plants
Tools to Evaluate Strategies for Utilization of Low Temperature Geothermal Resources
Optimizing Revenue of a Geothermal System with Respect to Operation and Expansion
Factors for Primary Energy Efficiency and CO2 Emission of Geothermal Power Production
A geometrical optimization of a magneto-rheological rotary brake in a prosthetic kneeSmart Materials and Structures
Analysis of heat transfer in heat exchangers by using the NTU method and empirical relations
LCA of combined heat and power production at hellisheidi geothermal power plant with focus on primary energy efficiency
Waste heat utilization from a submerged arc furnace producing ferrosilicon

2009

Linear parameter-varying identification of a cross flow heat exchanger for fouling detection: a prelimary study
Influence of parameter variations on the braking torque of a magnetorheological prosthetic kneeJournal of Intelligent Material Systems and Structures
Simulation of fouling in cross-flow heat exchanger and a fouling detection based on physical modeling
Fouling detection in a cross-flow heat exchanger based on physical modeling
Risk of failure during gait for direct skeletal attachment of a femoral prosthesisMedical Engineering and Physics

2008

Open heat exchanger for improved heat efficiency in geothermal spas
Energy efficiency consideration of geothermal based power production
Production Capacity Assessment
A modified method for assigning material properties to FE models of bonesMedical Engineering and Physics
Methods for detecting fouling in heat exchangers

2007

Thermal effects on carbon based electrodes close to a high current electric arc
Optimiziation of a magneto-rheological rotary brake
Rheological and structural investigations on cement slurries
Electrode erosion in submerged arc furnaces

2006

Estimation and validation of models two phase flow from geothermal wells
Electrode erosion due to high-current electric arcs in silicon and ferrosilicon furnacesSteel Research International
Orkulosun og varmaflutningur í ljósbogaofni
Finite element analysis of a magnetorheological prosthetic knee
Design of a magnetorheological prosthetic knee

2002

Aggregated dynamic simulation model of district heating networksEnergy Conversion and Management

1999

Optimizing the use of heat storage in an engine-based CHP plant
Equivalent models for district heating systems

1998

Probabilistic production simulation including combined heat and power plantsElectric Power Systems Research

1997

Analysis of numerical methods for simulating temperature dynamics in district heating pipes
Simulation tool for expansion planning of combined heat and power

Keywords for Specialisation:

Fluid mechanics

Mathematical modeling