Tomas Grönstedt
I'm a professor in turbomachinery at the fluid dynamics division of the applied mechanics department. My research interests revolve around turbomachinery conceptual design and aero engine conceptual design. As part of my Ph.D. I developed a gas turbine performance tool, GESTPAN (GEneral Stationary and Transient Propulsion ANalsysis). The full thesis is available at http://publications.lib.chalmers.se/records/fulltext/799.pdf. Since then, GESTPAN, associated software and research scope has been extended to include methods for cooling flow prediction, engine design (sizing/dimensions and weights), noise modeling, non-linear parameter estimation, exergy analysis, nacelle drag estimates and aircraft conceptual design (GISMO). Over the last years I have broadened my interest to conceptual design of fluid machinery (2D/3D methods), for which the prime focus has been intercooled aero engines and recently high speed propellers and compressor aerodynamics. My research aim is to contribute to the development of concepts that promise to radically increase aero engine and gas turbine efficiency. On-going teaching activities: MTF171 Gas Turbine Technology TME210 Turbomachinery PhD students and projects: Xin Zhao (LEMCOTEC/FP7, on-going) Oskar Thulin (EURO, E-BREAK/FP7) Egill Thorbergsson (TURBOPOWER) Alexandre Capitao Patrao (NFFP) Sebastian Samuelsson (NFFP, TOICA/FP7) Richard Avellan (NFFP, finished) Xu Lei (NEWAC/FP6, finished) Linda Larsson (NFFP, finished)
Showing 119 publications
Multidisciplinary assessment of a year 2035 turbofan propulsion system
Design Considerations of Low Bypass Ratio Mixed Flow Turbofan Engines with Large Power Extraction
Estimation of design parameters and performance for a state-of-the-art turbofan
Synergistic technology combinations for future commercial aircraft using liquid hydrogen
Techno-economic review of alternative fuels and propulsion systems for the aviation sector
Proof of concept study for fuselage boundary layer ingesting propulsion
Performance analysis of turbo-electric propulsion system with fuselage boundary layer ingestion
Synergistic technology combinations for future commercial aircraft using liquid hydrogen
Quantifying the Environmental Design Trades for a State-of-the-Art Turbofan Engine
Development of fuel and heat management systems for liquid hydrogen powered aircraft
Feasibility Study of a Radical Vane-Integrated Heat Exchanger for Turbofan Engine Applications
Conceptual Design of a Compressor Vane- HEX for LH2 Aircraft Engine Applications
Propulsion Installation Modelling for geared Ultra-high bypass ratio engine cycle design
Wake Analysis of an Aerodynamically Optimized Boxprop High Speed Propeller
Assessment of CO2 and NOx emissions in intercooled pulsed detonation turbofan engines
Flygforskare: "Våra beräkningar bygger på detaljerade modeller"
Numerical investigation of film and impingement cooling schemes for gas turbine application
Wake Energy Analysis Method Applied to the Boxprop Propeller Concept
The Efficiency of a Pulsed Detonation Combustor-Axial Turbine Integration
Propulsive efficiency of boundary layer ingestion propellers
First and Second Law Analysis of Radical Intercooling Concepts
DN Debatt. "Mellanlandning kan halvera utsläppen från Thailandsresa"
Assessment of CO2 and NOx emissions in intercooled pulsed detonation turbofan engines
Aerodynamic and aeroacoustic comparison of optimized high-speed propeller blades
Numerical Simulation of Nacelle Flowfield for Counter-Rotating Open Rotor Propellers
Scale effects on conventional and intercooled turbofan engine performance
Experimental Validation of the Aerodynamic Characteristics of an Aero-engine Intercooler
Multidisciplinary Design of a Three Stage High Speed Booster
On Improving the Surge Margin of a Tip-Critical Axial Compressor Rotor
First and second law analysis of radical intercooling concepts
Analytical model for the performance estimation of pre-cooled pulse detonation turbofan engines
Optimization of Robust Transonic Compressor Blades
An Optimization Platform for High Speed Propellers
Wake and Loss Analysis for a Double Bladed Swept Propeller
A Search for the “ULTIMATE” Aero-Engine
A Noise Assessment framework for Subsonic Aircraft and Engines
An outlook for radical aero engine intercooler concepts
ULTRA LOW EMISSION TECHNOLOGY INNOVATIONS FOR MID-CENTURY AIRCRAFT TURBINE ENGINES (presentation)
Ultra low emission technology innovations for mid-century aircraft turbine engines
First and second law analysis of intercooled turbofan engine
High Power Density Work Extraction from Turbofan Exhaust Heat
A Mission Assessment of Aero Engine Losses
Conceptual design of a two-pass cross-flow aeroengine intercooler
Consistent Conceptual Design and Performance Modeling of Aero Engines
First and second law analysis of intercooled turbofan engine
Aero Engine Intercooling Optimization Using a Variable Flow Path
Preparing for Proof-of-concept of a Novel Propeller for Open Rotor Engines
Exploring Influence of Static Engine Component Design Variables on System Level Performance
A Thermodynamic Analysis of Two Competing Mid-Sized Oxy-Fuel Combustion Combined Cycles
A Conceptual Design Study of an Open Rotor Powered Regional Aircraft
Multidisciplinary Analysis of a Geared Fan Intercooled Core Aero-Engine
First and Second Law Analysis of Future Aircraft Engines
The Effect of Engine Dimensions on Supersonic Aircraft Performance
Multidisciplinary Analysis of a Geared Fan Intercooled Core Aero-Engine
First and Second Law Analysis of Future Aircraft Engines
An assessment of cooled air cooling for combined cycle gas turbines
Integration of Fluid Thermodynamic and Transport Properties in Conceptual Turbomachinery Design
EFFECTS OF DIFFERENT PROPELLER MODELS ON OPEN ROTOR FUEL CONSUMPTION
Lessons Learned From the Development of Courses on Gas Turbine Multidisciplinary Conceptual Design
Transforming Propulsion Installation for Commercial Aircraft
Optimization Study of an Intercooled Recuperated Aero-Engine
Lessons learned from the development of courses on gas turbine multi-disciplinary conceptual design
A Comparative Analysis of Two Competing Mid-size Oxy-fuel Combustion Cycles
Conceptual Design Of A Mid-Sized Semi-Closed Oxy-Fuel Combustion Combined Cycle
Multicriteria Optimization Of Conceptual Compressor Aerodynamic Design
LIMITATIONS ON TUBE FILLING IN A PULSED DETONATION ENGINE
Assessment of Future Aero-engine Designs with Intercooled and Intercooled Recuperated Cores
Mission optimization of the geared turbofan engine
Conceptual Design and Mission Analysis for a Geared Turbofan and an Open Rotor Configuration
Analysis of an Intercooled Recuperated Aero-engine
Model-based on-board turbofan thrust estimation
Optimization Study of an Intercooled Recuperated Aero-Engine
Optimizing the Operation of the Intercooled Turbofan Engine
Design and Analysis of an Intercooled Turbofan Engine
Assessment of Future Aero Engine Designs with Intercooled and Intercooled Recuperated Cores
EFFECTS OF A CONTROLLED PHASE-SHIFT ON THE OUTLET CONDITIONS OF A SET OF PULSE DETONATORS
Development, accomplishment and evaluation of a project course in applied mechanics---Lessons learnt
A Contra-rotating Variable Cycle Turbofan Engine
Low Pressure System Component Advancements and its Impact on Future Turbofan Engine Emissions
Derated Climb Trajectories for Subsonic Transport Aircraft
Low Pressure System Component Advancements and Its Influence on Future Turbofan Engine Emissions
Future Innovative Cores for Commercial Engines
Mission Optimization of an Intercooled Turbofan Engine
DISTRIBUTED PROPULSION AND TURBOFAN SCALE EFFECTS
Reduced order Thrust Estimation for a Jet Engine
Least Squares Based Transient Nonlinear Gas Path Analysis
A Numerically Efficient Method for Transient Gas Turbine Performance Estimation
Effects of Engine Intake and Nozzle Design the Performance of a Low-Signature Reconnaissance UAV
An Augmented Multi-Point Estimation Technique for Gas Path Analysis Model Generation
Engine Variability Impact on Reduced Order Thrust Estimation Filters
A Study of Engine Configurations for a Low-Signature Reconnaissance UAV
Identifiability in multi-point gas turbine parameter estimation problems
Estimating Parameters in Physical Models using MathModelica
Development of Methods for Analysis and Optimization of Complex Jet Engine Systems
Advanced Solvers for General High Performance Transient Gas Turbine Simulation Tools
Mission Dependent Optimization of Advanced Fighter Engines
The Optimization of a Seven Stage Compressor
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Showing 26 research projects
Vehicle On-board storage integrating Liquid ANd compressed hydrogen Tanks (VOLANT)
Vehicle On-board storage integrating Liquid ANd compressed hydrogen Tanks (VOLANT)
IMOTHEP - Investigation and Maturation of Technologies for Hybrid Electric Propulsion
Installed adVAnced Nacelle uHbr Optimisation and Evaluation (IVANHOE)
(CorrelatIon- and physics based preDiction of noisE scenaRios) CIDER
Sustainable aviation fuels for a carbon constrained world
Reduction of Propeller Noise for Future Electrical Aircrafts
Enabling cryogenic hydrogen-based CO2-free air transport (ENABLEH2)
Virtuell Integrerad Demonstrator för turbomaskiner (VIND)
Sekundärflödesvärmeväxlare för Förbättring av Flygmotorers Verkningsgrad
Concept validation study for fuselage wake-fillIng propulsion integration (CENTRELINE)
Simulation of atmosphere and air traffic for a quieter environment (SAFT)
Ultra Low emission Technology Innovations for Mid-century Aircraft Turbine Engines (ULTIMATE)
Engine Module Validators (ENOVAL)
Thermal Overall Integrated Conception of Aircraft (TOICA)
Innovativ Framdrivning och Motorinstallation
Design for performance – advanced powerplant architecture and integration
Engine Breakthrough Components and Subsystems (E-BREAK)
Conceptual gas turbine modeling for oxy-fuel cycles. Turbokraft phase 2
Low Emissions Core-Engine Technologies (LEMCOTEC)