Fundamentals of Axial Compressors
Length: 2.5 days
Cost: $20,000 USD Domestic (Continental USA)
$24,000 USD International
This course is targeted to engineers and designers of axial compressors for high performance applications. This 2 ½ day course will cover the most important areas of interest in advanced axial compressor design. The goal of the course is to help students understand the most important considerations of laying out an axial compressor design as well the various modeling methods used in the process. Engineers can expect to gain an understanding of best design practices and the most modern approaches to achieving high performance and reliable designs.
The course begins with range and performance requirements which determine the initial design layout. From this point, the basic principles of meanline and lower order modeling are covered to quantify the basic performance and determine the trade-offs between performance and durability that inevitably influence the design. Finally, increasing detailed and sophisticated numerical methods, used in the final stages of design, will be covered.
The course will explain some real-world applications using state-of-the-art industry design tools such as meanline analysis, quasi-3D solution methods, and advanced computational fluid dynamic technics. Special consideration of each of the advantages and limits of each method, and when to apply them in the design process, will be covered.
Program Outline
- Range and Requirements
- Design Requirements and Design Process
- Preliminary and Meanline Design
- Preliminary (Meanline) Design and Off-Design Performance Characteristics
- Stress and Durability
- Detailed Design Methods
- CFD and Advanced Numerical Methods
What You Will Learn
- How to size a compressor for basic performance and range
- Meanline and lower order models used to layout initial designs
- Durability and aerodynamic trade-offs needed
- Modern numerical techniques for performance modeling and optimization
Agenda
Optional Materials (Additional Charges Apply)
- Design of Highly Loaded Axial-Flow Fans and Compressors textbook by Arthur J. Wennerstrom
- Course Materials on a USB drive
Instructor
Mark Anderson
Mark Anderson is Chief Technology Officer at Concepts NREC. He has almost 30 years of experience in turbomachinery design and fluid modeling. He earned his B.S. in Mechanical Engineering from Northeastern University and an M.A. from the Massachusetts Institute of Technology. Mr. Anderson has conducted a wide range of research in the areas of hypersonic propulsion, turbomachinery modeling, and computational fluid dynamics. He spearheaded Concepts NREC’s meanline development, geometry parameterization, and quasi-3D and full 3D CFD, and was Vice President of Software Development for 10 years. He has authored or coauthored over 25 papers on turbomachinery, CFD, and environmental modeling.
Introduction to Radial Compressor Design
Length: 3 days
Cost: $24,000 USD Domestic
$28,000 USD International
A detailed understanding of the aerodynamic behavior and structural integrity of centrifugal compressors is essential to meet competitive market needs. This course covers the fundamentals of radial compressor design along with the design process and analytical methods used to make state-of-the-art machines.
The entire development and design process from 1D to 3D viscous methods is taught, while stressing preliminary cycle work, velocity triangle optimization, blade loading considerations, viscous flow-field analysis, and structural analysis. Trade-offs between peak performance, range, life, and cost will be covered. Special emphasis is placed on surge, choke, design methodology, and model development. All lectures are given by internationally renowned authorities.
Program Outline
Turbomachinery Fundamentals
- Thermodynamic cycles
- Range and performance maps
- Velocity vectors
- Fluid properties and modeling
- Performance
- Momentum and energy exchange
- Turbomachinery parameters
Impeller Design
- Inducer design
- Exducer design
- High-speed flow modeling
Diffuser Design
- The role of the diffuser in compressor performance
- Vaneless diffusers
- Cascade (airfoil) diffusers
- Channel (wedge) diffusers
Design Strategies
- Design overview
- Design optimization strategies
- Design tools: meanline, blade generation, and CFD
Stability and Range
- Review of steady stall
- Rotating stall in centrifugal compressors
- Surge
- Range extension and variable geometry
Additional Stage Components
- The compressor inlet
- Volute
- Collector
- Return channel
Stress and Vibration Analysis
- Causes of failure
- Blade and hub steady stresses
- Creep
- Fatigue failure
- Life estimation
- Rotor Dynamics
Optimization
- Approaches to optimization
- Single Disciplinary Optimization
- Multidisciplinary Optimization
What You Will Learn
This course provides a survey of the design and analysis of centrifugal compressors. The objective of the course is to provide participants with:
- An overview and familiarization of the design and operation of the complete machine, and individual components of the machine
- A familiarization of the best design practices at all levels, from basic machine selection to the detailed aerodynamic and mechanical design of all components
- A guide to the different types of computer-based analysis tools available, and the applicability of each
- An understanding of how to achieve the best compromises between efficiency, range, cost, life, and durability.
Agenda
Optional Materials (Additional Charges Apply)
- Centrifugal Compressor Design and Performance, written by Dr. David Japikse
- Course Materials loaded on a USB drive for each student. Electronic Course materials files are included in the price of the course, charges only apply if you want them loaded on individual USB drives.
Instructors:
Mark Anderson
Mark Anderson is Chief Technology Officer at Concepts NREC. He has almost 30 years of experience in turbomachinery design and fluid modeling. He earned his B.S. in Mechanical Engineering from Northeastern University and a M.A. from the Massachusetts Institute of Technology. Mr. Anderson has conducted a wide range of research in the areas of hypersonic propulsion, turbomachinery modeling, and computational fluid dynamics. He spearheaded Concepts NREC’s meanline development, geometry parameterization, and quasi-3D and full 3D CFD, and was Vice President of Software Development for 10 years. He has authored or coauthored over 25 papers on turbomachinery, CFD, and environmental modeling.
Stephen Kohr
Stephen Kohr holds a B.S.M.E. and M.E.M.E. from The University of Hartford. He has a breadth of experience with structural and rotordynamic design optimization of radial and axial turbomachines. He specializes in structural design and analysis of static and rotating components to optimize life and minimize fatigue risk.
Supercritical CO2 Cycle and Turbomachinery Design and Analysis
Length: 2 days
Cost: $16,000 USD Domestic
$20,000 USD International
Interest in supercritical carbon dioxide (sCO2) in closed-loop power cycles has significantly increased in recent years. These cycles benefit from the unique properties of CO2 near the critical point, but these properties also pose unique challenges for turbomachinery design. Two of the most important issues in sCO2 turbomachinery are the rapid variation of the thermodynamic properties and the potential for two-phase flow phenomena. While none these issues precludes the development of effective turbomachinery designs for sCO2, they greatly complicate the modeling and prediction process, since many modeling assumptions that may be perfectly reasonable for conventional designs no longer apply.
This course seeks to educate the engineer on the basics of sCO2 design. We will identify the basic issues, trade-offs, and limitations involved in laying out cycles and their sizing requirements. The most suitable applications of sCO2 cycles will be discussed. Basic aerodynamic and structural design issues unique to sCO2 will be covered along with special concerns for design and analysis of the turbomachinery components.
Program Outline
Supercritical CO2 Cycles
- Brayton cycle
- Recompression cycle
- Allam cycle
- Applications
Thermodynamic and Fluid Modeling Concerns
- Thermodynamic modeling options
- Accuracy and computational efficiency
Nucleation and Cavitation
- Nucleation and cavitation in sCO2 machines
- Turbulence modeling considerations
Mechanical Design
- Mechanical Design
Compressor Design for sCO2
- Overview of basic design theory for compressors
- Basic sizing
- Component trade-offs
- Impacts of nonlinear fluid dynamic thermodynamic effects in the design
Bearing and Seal Design for sCO2
- Bearing and seals design required for sCO2
Turbine Design for sCO2
- Overview of basic design theory for turbines in sCO2 cycles
- Basic sizing
- Turbine Cycle Concerns
Materials
- Special materials requirements for sCO2 cycles
What You Will Learn
- An understanding of the benefits and challenges of sCO2 power cycles
- Introduction to the modeling and numerical methods required for sCO2 design
- Awareness of the special design consideration for sCO2 compressors and turbines
- Overview of advanced topics that bring special risks to sCO2 design
Note: Participants are expected to have a basic understanding of thermodynamics and fluid dynamic principles. Some prior knowledge of turbomachinery design principles is helpful but not essential.
Agenda
Optional Materials (Additional Charges Apply)
- Course Materials on a USB drive
Instructors
Mark Anderson
Mark Anderson is Chief Technology Officer at Concepts NREC. He has almost 30 years of experience in turbomachinery design and fluid modeling. He earned his B.S. in Mechanical Engineering from Northeastern University and a M.A. from the Massachusetts Institute of Technology. Mr. Anderson has conducted a wide range of research in the areas of hypersonic propulsion, turbomachinery modeling, and computational fluid dynamics. He spearheaded Concepts NREC’s meanline development, geometry parameterization, and quasi-3D and full 3D CFD, and was Vice President of Software Development for 10 years. He has authored or coauthored over 25 papers on turbomachinery, CFD, and environmental modeling.
Francis Di Bella, P.E., M.S.
Francis (Frank) Di Bella worked at Thermo Electron Corp.'s subsidiary, Tecogen, Inc., on a variety of energy-related projects for both private companies and D.O.E. projects. Such projects ranged from the development of steam atmosphere and industrial dryers to Mechanical Vapor Recompression systems and Organic Rankine Cycle waste heat recovery systems. In general, the engineering team at Tecogen, Inc. was focused on innovative ways of improving the energy efficiency of mechanical systems.
In 2000, Frank left industry to teach full-time at Northeastern University’s Engineering Technology Dept., receiving the University-wide Teaching Award in 2002 and becoming the Director of ET in 2005. Frank joined Concepts NREC in 2008, where he continues the development of energy-related systems, ranging from water wave energy systems to supercritical CO2 power generation and CO2 sequestration, to a variety of waste heat recovery systems. Frank continues to teach a variety of engineering courses in the evening.
Mr. Di Bella graduated from Northeastern University ME, Class of 1974, with B.S. in ME, and graduated from Rensselaer Polytechnic Institute in 1975 with a Masters in Mechanical Engineering.
Introduction to Turbocharging and Turbochargers Course
Length: 3 days
Cost: $24,000 USD Domestic (Continental USA)
$28,000 USD International
This is a professional development course dealing with turbocharging systems and turbocharged engines. Basics of compressor and turbine design are covered, with special emphasis on performance, range, and reliability issues as they relate to turbocharging. The course has also been brought up to date to reflect the latest information and trends, including emissions and downsizing requirements. We will also cover hybrid turbocharging that incorporates superchargers and electric machines. It remains a course, solidly based on technical foundations, with a continuing emphasis on understanding the reasoning behind each development. There is something here to engage engineers at all levels.
Program Outline
Introduction to Turbocharging- Why turbocharge?
- Power boosting
- The turbocharger assembly
- Selection
- How turbomachines work
- Performance of turbomachines
- Momentum exchange
- Energy transfer
- Acceleration and deceleration
- Fluid properties
- Geometry and manufacturing
- Matching
- Turbocharger systems
- Turbocharger Applications
- Impeller
- Inducer region
- Exducer region
- Diffuser Design
- Volutes
- Matching
- Turbocharger systems
- Turbocharger Applications
- Axial turbines
- Radial and mixed-flow turbines
- Design
- Modelling
- Nozzle Design and Analysis
- Variable nozzle geometry
- Volute
- Narrow speed range
- Low-speed torque
- High-speed overboost
- Transient response
- Series and sequential turbocharging
- Electric assist, eBoosters
- Turbocompounding
- Fundamentals
- Steady stress, plasticity, and rupture in rotors
- Vibration analysis of rotating components
- Fatigue
- Creep
- Test stand versus engine testing
- Pipe and duct losses
- Nonuniform inflow and steady effects
- Pulse flow in turbines
- The fundamentals of turbocharger systems and why they are used
- The basics of radial compressor design and how it applies to turbocharged systems
- Turbine design considerations in turbochargers
- Turbocharger and engine interactions
Agenda
Optional Materials (Additional Charges Apply)
- The Fundamentals of Turbocharging textbook by Nicholas C. Baines
- Course materials on a USB drive
Instructors:
Mark Anderson
Mark Anderson is Chief Technology Officer at Concepts NREC. He has almost 30 years of experience in turbomachinery design and fluid modeling. He earned his B.S. in Mechanical Engineering from Northeastern University and a M.A. from the Massachusetts Institute of Technology. Mr. Anderson has conducted a wide range of research in the areas of hypersonic propulsion, turbomachinery modeling, and computational fluid dynamics. He spearheaded Concepts NREC’s meanline development, geometry parameterization, and quasi-3D and full 3D CFD, and was Vice President of Software Development for 10 years. He has authored or coauthored over 25 papers on turbomachinery, CFD, and environmental modeling.
Carl Fredriksson
Mr. Fredriksson has a B.S. in Mechanical Engineering and has over 20 years of turbocharging experience. He began working with Concepts NREC in 1999 and has published several papers on turbochargers. Carl’s focus is on bridging the gap in know-how between the piston engine and the turbocharger. His involvement in turbochargers ranges from direct engine application solutions to turbocharger design for automotive, truck, and locomotive applications.
Proven Expertise
Software Workshops
Design and Manufacturing Software Training is provided through our Customer Support Center as a combination of product-specific, self-guided video lectures complimented by optional workshop time with Concepts NREC technical staff.
If you would like to request access to the self-guided materials or one-on-one workshop training, please email support@conceptsnrec.com.
