15th international conference on turbochargers and turbocharging : proceedings of the 15th international conference on turbochargers and turbocharging (Twickenham, London, 16-17 May 2023)

15th international conference on turbochargers and turbocharging proceedings of the 15th international conference on turbochargers and turbocharging (Twickenham, London, 16-17 May 2023)

This volume presents a peer-reviewed collection of papers which discuss current and novel turbocharging system choices and components with a renewed emphasis to address the challenges posed by emission regulations and market trends.

Detalles Bibliográficos
Autor Corporativo: Institution of Institution of Mechanical Engineers, editor (editor)
Formato: Libro electrónico
Idioma:Inglés
Publicado: Abingdon, England : CRC Press/Balkema [2023]
Materias:
Superchargers.
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009785411006719
Tabla de Contenidos:
  • Cover
  • Title Page
  • Copyright Page
  • Table of Contents
  • Committee
  • Compressor considerations
  • Compressor considerations
  • 1 Introduction
  • 2 Experimental Set-Up And Measuring Equipment
  • 3 Experimental Results
  • 4 Conclusion
  • References
  • An investigation on influence of inlet elbow on performance of a centrifugal compressor with vaned diffuser
  • 1 Introduction
  • 2 The Centrifugal Compressor And Numerical Method
  • 2.1 Centrifugal compressor configurations
  • 2.2 Numerical method and validations
  • 3 Performance Of Inlet Straight Pipe And Different Bending Directions
  • 3.1 Compressor performance at different inlet bending directions
  • 3.2 Coupling mechanism
  • 4 Conclusions
  • Nomenclatures
  • References
  • Electrification/Driven
  • Electrification/Driven
  • 1 Introduction
  • 2 Engine Model, Simulation Settings And Performance Indicator
  • 2.1 Engine model and simulation settings
  • 2.2 Performance indicators
  • 3 Simulation Results - How Does An eTC Improve Engine Efficiency?
  • 4 Simulation Results - Impact of the MGU-K on Transient Behaviour Of The Engine And Turbocharger
  • 5 Discussion
  • 6 Conclusions
  • Nomenclature
  • References
  • Benefits of a driven-turbo for hydrogen internal combustion engines
  • 1 Introduction
  • 2 Background
  • 2.1 Engine and model
  • 2.2 SuperTurbo
  • 3 WHTC Simulation Results
  • 4 Transient Simulation Analysis
  • 5 Steady State Analysis
  • 6 Boosting System Comparisons
  • 7 Summary
  • References
  • Secondary air injection with E-Boosting devices
  • 1 Introduction
  • 2 Challenges &amp
  • x00026
  • Requirements Of New Emission Regulations
  • 3 Secondary Air Injection With E-Compressor
  • 3.1 SAI layouts with E-Compressor
  • 4 Secondary Air Injection With E-Turbo
  • 4.1 SAI layout with E-Turbo
  • 4.2 SAI Operation with E-Turbo
  • 5 Sai Operation - E-Compressor vs. E-Turbo.
  • 5.1 Boundary conditions - E-Compressor vs. E-Turbo
  • 5.2 Steady state simulations - E-Compressor vs. E-Turbo
  • 5.3 Transient simulations - E-Compressor vs. E-Turbo
  • 6 Conclusion
  • References
  • Modelling and simulation
  • Modelling and simulation
  • 1 Introduction
  • 2 Mathematical Model
  • 2.1 Parameter relations
  • 3 Model Validation
  • 4 Model Assessment
  • 5 Conclusions
  • Nomenclature
  • References
  • Novel shroud treatment for turbocharger centrifugal compressor surge enhancement
  • 1 Introduction
  • 1.1 Hypothesis behind the idea - Annular shroud treatment
  • 2 Experimental Facility And Test Matrix
  • 2.1 Experimental facility
  • 2.2 &amp
  • x0201C
  • Cavity&amp
  • x0201D
  • inserts
  • 3 Experimental Results - Unsteady And Steady Outlet Conditions
  • 3.1 Analysis of unsteady experimental results - Surge margin enhancement with cavity treatment under pulsating conditions
  • 3.2 Performance maps for all pulse frequencies
  • 3.3 Analysis of steady experimental results - Surge margin enhancement with cavity treatment under steady conditions
  • 4 CFD Assessment Of The Cavity Concept - Looking Into The Flow Mechanism
  • 4.1 CFD analysis and flow-field assessment for blade Mach and original compressor - Comparison at near surge and peak efficiency conditions
  • 5 Summary
  • References
  • Novel materials and challenges
  • Novel materials and challenges
  • 1 Introduction
  • 2 Nitrogen Alloyed Stainless Steel
  • 3 ICME Approach To Design A New Material Composition
  • 4 Influence Of Microstucture Features
  • 5 Material Characterization Of Nitrogen Alloyed Steel
  • 6 Optimization Of Manufacturing Process Parameters
  • 7 Housing Design And Validation
  • 8 Conclusion
  • Nomenclature
  • References
  • Design and optimisation of compressors
  • Design and optimisation of compressors
  • 1 Introduction
  • 2 Literature Review
  • 2.1 Experimental set up.
  • 3 Results And Discussion
  • 3.1 Cycle average pressure ratio and efficiency
  • 3.2 Static pressure measurement for one pulse
  • 3.3 OP C &amp
  • x02018
  • filling and emptying&amp
  • x02019
  • effect volute
  • 3.4 Quasi-steady vs unsteady OP A and OP C
  • 4 Conclusion
  • References
  • Design and optimization of compressor for a fuel cell system on a commercial truck under real driving conditions
  • 1 Introduction
  • 2 System-Level Simulation In Real Driving Conditions
  • 3 Compressor Meanline Design Optimization
  • 4 Compressor Components Design
  • 4.1 Impeller design
  • 4.2 Volute design
  • 4.3 Steady CFD analysis
  • 5 Compressor Components Optimization
  • 5.1 Impeller optimization
  • 5.2 Volute optimization
  • 5.3 Steady CFD analysis of optimized compressor stage
  • 5.4 Static structural analysis
  • 6 Final Performance Evaluation In System Model
  • 7 Conclusions
  • Nomenclature
  • References
  • Turbine design considerations
  • Turbine design considerations
  • 1 Introduction
  • 2 Numerical Method
  • 3 Analysis Of Influence Of Bypass Flow On Turbine Performance
  • 4 Influence Of Bypass Flow On Flow Interactions
  • 4.1 Flow field analysis of the inter-stage pipe
  • 4.2 Flow field analysis of the volute
  • 4.3 Flow field analysis of the rotor
  • 5 Conclusions
  • References
  • A 3D inverse design based rapid multi-disciplinary optimization strategy for radial-inflow turbines
  • 1 Introduction
  • 2 Optimisation Methodology
  • 3 Baseline CFD And FEA Analysis
  • 4 Inverse Design Based Aerodynamic And Mechanical Performance Parameters
  • 5 Direct Optimisation And Results
  • 6 Conclusions
  • Nomenclature
  • References
  • Experimental investigations
  • Experimental investigations
  • 1 Introduction
  • 2 Parametric Model And Optimisation
  • 2.1 Nozzle parametrisation
  • 2.2 Radial fibre rotor parametrisation
  • 2.3 Non-radial fibre rotor parametrisation.
  • 2.4 Other 3D parametrisation
  • 2.5 Numerical set up
  • 2.6 Platform integration and optimisation algorithm
  • 3 Results And Discussion
  • 3.1 Sensitivity analysis and optimised radial fibre geometry
  • 3.2 Sensitivity analysis and optimised non-radial fibre geometry
  • 3.3 Experimental results
  • 3.4 Losses and CFD analysis
  • 4 Conclusions
  • Nomenclature
  • References
  • Comparative analysis of the inverted Joule cycle, closed Joule cycle, and various approximate Ericsson cycles for waste heat recovery from exhaust gases with the working fluid as a variable
  • 1 Introduction
  • 2 Modelling Of WHR Cycles
  • 2.1 WHR cycles explored
  • 2.1.1 Inverted Joule cycle (IJC)
  • 2.1.2 Simple closed Joule cycle (CJC)
  • 2.1.3 Closed Joule cycle with heat recuperation
  • 2.1.4 Two-stage Ericsson cycle
  • 2.1.5 Three-stage Ericsson cycle
  • 2.2 Modelling of WHR cycles
  • 2.2.1 MS-Excel
  • 2.2.2 Aspen Plus
  • 3 Results And Discussion
  • 3.1 Thermodynamic efficiency of the closed WHR cycles
  • 3.2 Specific net work output of WHR cycles
  • 3.2.1 Impact of exhaust gas temperatures on specific net work output
  • 3.2.2 Impact of working fluid on specific net work output in CJC
  • 4 Conclusions
  • References
  • Blade vibration visualization of dual volute turbine with vaned nozzle by using high speed Digital Image Correlation
  • 1 Introduction
  • 2 Aerodynamic Excitation Mode Of Dual Volute Turbine
  • 3 Resonance Mode Analysis At Turbine Blade Design Stage
  • 4 Blade Vibration Analysis Result From Hood Test
  • 5 Visualization Of Turbine Blade Vibration Using DIC
  • 6 Conclusions
  • References
  • Internal flow investigation in a radial turbine non-axisymmetric diffuser using particle image velocimetry
  • 1 Introduction
  • 2 Measurement Details
  • 2.1 PIV experimental equipment
  • 2.2 Turbine specification
  • 2.3 Turbine performance test
  • 2.4 PIV measurement planes.
  • 2.5 Wall static pressure measurement points
  • 2.6 Measurement conditions
  • 3 Results And Discussions
  • 3.1 PIV measurement results at N1
  • 3.2 Diffuser performance analysis by PIV and wall static pressure measurement
  • 3.3 PIV measurement results at N2
  • 3.4 PIV measurement results at N3 and N4
  • 4 Conclusions
  • 5 Future Works
  • Nomenclature
  • References
  • Author index.

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