📚 Energy Systems: A New Approach to Engineering Thermodynamics (2nd Ed.)

The Foundational Textbook That Revolutionized Energy Education


🌟 A Paradigm Shift in Thermodynamics Education

This second edition (2021) represents 25 years of pedagogical innovation, transforming how thermodynamics is taught and learned worldwide. Used in over 120 educational institutions, this book established a new standard for energy systems education.

The Traditional Challenge

Classical thermodynamics education typically:

  • ❌ Starts with abstract mathematical formalism
  • ❌ Uses oversimplified models (perfect gases, ideal cycles)
  • ❌ Separates theory from practice
  • ❌ Overwhelms learners with equations before understanding
  • ❌ Focuses on narrow specializations

Result: Students struggle to connect theory to real-world applications, and many develop psychological blocks against the discipline.


Our Revolutionary Solution

A three-pillar pedagogical approach based on established cognitive science:

Visual-First Learning (Reduce Cognitive Load)

  • Build cycles graphically before writing equations
  • Use Thermoptim for interactive system visualization
  • Understand structure and function before quantification

Progressive Complexity (Minimalist Instruction)

  • Start with physical concepts and real system behavior
  • Introduce mathematical tools only when needed
  • Follow the CFRP approach: Components → Functions → Reference Processes

Comprehensive Coverage (Constructivist Learning)

  • Study real technologies, not textbook idealizations
  • Cover the full spectrum of energy applications
  • Connect theory to industrial practice

🎯 Unique Pedagogical Innovations

The CFRP Method (Components, Functions, Reference Processes)

This groundbreaking approach allows understanding thermodynamics qualitatively before quantitatively:

  1. Components: Identify physical elements (turbine, compressor, boiler…)
  2. Functions: Understand what each does (compress, expand, heat, cool…)
  3. Reference Processes: See how real world processes appear in diagrams (isobaric, adiabatic…)

Result: Learners grasp system architecture and behavior before tackling calculations.


Three Adaptive Learning Modes

The book serves diverse audiences through two complementary pedagogical modes out of three:

Mode 1: Light (Streamlined)

Target: Technicians, operators, vocational training, MOOCs

Characteristics:

  • No entropy, no exergy in initial presentation
  • Focus on visual understanding using (h,P) diagrams only
  • Diapason narrated sessions for self-paced learning
  • Guided explorations with step-by-step instructions
  • Simple self-assessment (drag-drop, gap-fill, categorization)

Learning Outcome: Operate, troubleshoot, and understand energy systems without mathematical barriers


Mode 2: Progressive

Target: Undergraduate students, practicing engineers

Characteristics:

  • Starts with Mode 1 foundation
  • Introduces entropy and exergy after mastering basics
  • Uses entropy (T,s) diagrams for cycle comparison
  • Applies exergy balances for optimization
  • Spiral pedagogy: concepts revisited with increasing depth

Learning Outcome: Design and optimize conventional energy systems with analytical rigor


Mode 3: Exhaustive (In-Depth)

Target: Graduate students, researchers, advanced practitioners

Characteristics:

  • Complete theoretical framework including all diagrams
  • Advanced Thermoptim features (external classes, custom controllers)
  • Detailed equation sets and derivations
  • Exergy analysis and pinch method for optimization
  • Off-design considerations introduced

Learning Outcome: Create novel cycles, conduct research, push technological boundaries

Note: Modes 1-2 are fully developed in this edition. Mode 3 provides foundation, with complete treatment in Volumes 1 and 2 (2026).


For a deeper understanding of these topics, two notes expand on the pedagogical use of Thermoptim: the first elaborates on the new educational paradigm it enables, while the second addresses its theoretical foundations.


📖 Comprehensive Content Structure

📌 Part I: First Steps in Engineering Thermodynamics

Building intuition before formalism

Chapter 1: A New Educational Paradigm (p. 3)

  • Why traditional methods fail
  • Cognitive load theory applications
  • The RTM(E) model (Reality, Theory, Methods, Examples)
  • Introduction to visual modeling

Chapter 2: Components, Functions, and Reference Processes (p. 17)

  • Core energy system components
  • Functional analysis approach
  • Reference thermodynamic processes
  • From technology to theory

Chapter 3: Modeling Simple Cycles in Thermodynamic Charts and Thermoptim (p. 49)

  • Hands-on Thermoptim introduction
  • Working with real fluid properties
  • (h,P) diagram visualization
  • First complete cycle models

⚙️ Part II: Components and Conventional Cycles

Deepening component understanding

Chapter 4: Combustion and Heat Exchangers (p. 87)

  • Stoichiometric and non-stoichiometric combustion
  • Heat exchanger fundamentals
  • NTU-effectiveness method
  • Integration in complete cycles

Chapter 5: Steam Systems Components (p. 121)

  • Boilers and steam generators
  • Steam turbines and moisture challenges
  • Cooling towers and condensers
  • Thermoptim external classes

Chapter 6: Second Law, Entropy, and Exergy (p. 145)

  • Introduced in Mode 2
  • Energy quality analysis
  • Exergy balances
  • Carnot cycle as reference
  • Applications to cycle improvement

🔄 Part III: Main Conventional Cycles

Mastering established technologies

Chapter 7: Optimization by Thermal Integration (Pinch Method) (p. 169)

  • Composite curves
  • Pinch analysis fundamentals
  • Heat exchanger network design
  • Process integration applications

Chapter 8: Variants of Steam Power Plants (p. 191)

  • Reheat and regenerative cycles
  • Supercritical steam systems
  • Nuclear applications (PWR, BWR basics)
  • Performance optimization strategies

Chapter 9: Conventional Internal Combustion Engines (p. 217)

  • Gas turbine Brayton cycles
  • Reciprocating engines (Otto, Diesel)
  • Watt diagrams and performance
  • Real vs. ideal cycle comparisons

Chapter 10: Combined Cycle, Cogeneration, or CHP (p. 265)

  • High-efficiency combined cycles
  • Cogeneration configurations
  • Trigeneration systems

Chapter 11: Compression Refrigeration Cycles (p. 287)

  • Vapor compression fundamentals
  • Cascade and multi-stage systems
  • Heat pumps
  • COP optimization
  • Cryogenic applications

🌱 Part IV: Innovative Cycles Including Low Environmental Impact

Preparing for the energy transition

Chapter 12: Thermodynamics of Moist Mixtures and Air Conditioning (p. 319)

  • Psychrometric principles
  • Moist air properties
  • HVAC system design
  • Summer and winter air conditioning cycles

Chapter 13: Liquid Absorption Refrigeration Cycles (p. 349)

  • LiBr-H₂O absorption systems
  • Ammonia-water cycles

Chapter 14: Advanced Gas Turbine Cycles (p. 375)

  • Humid air turbines (HAT)
  • Supercritical CO₂ Brayton cycles
  • Advanced combined cycle configurations
  • Emerging technologies

Chapter 15: Stirling, Future Nuclear Reactor, and Oxyfuel Cycles (p. 397)

  • Stirling engine principles and applications
  • Generation IV nuclear reactor introduction
  • Oxyfuel combustion for CO₂ capture

Chapter 16: New and Renewable Thermal Energy Cycles (p. 437)

  • Solar thermodynamic systems (SEGS, solar towers)
  • Ocean Thermal Energy Conversion (OTEC)
  • Geothermal power generation
  • Biomass energy conversion

Chapter 17: Evaporation, Mechanical Vapor Compression, Desalination, and Drying (p. 469)

  • Evaporation processes
  • MVR (Mechanical Vapor Recompression)
  • Desalination technologies (MED, MSF, RO)
  • Industrial drying processes

Chapter 18: Electrochemical Converters: Fuel Cells and Electrolyzers (p. 493)

  • SOFC (Solid Oxide Fuel Cells)
  • PEM (Proton Exchange Membrane) fuel cells
  • High-temperature electrolysis
  • Hydrogen economy integration

Coverage: Over 40 different cycle types and applications across 18 chapters.


🔧 Integrated Learning Ecosystem

Thermoptim Software

  • Free demo version includes most book examples
  • Graphical cycle construction
  • Real fluid property databases
  • Immediate performance feedback
  • Export capabilities for further analysis

Digital Resources (Thermoptim-UNIT Portal)

ResourceQuantityPurpose
Guided Explorations45+Step-by-step Thermoptim tutorials
Diapason Sessions30+Narrated multimedia modules
Self-Assessment70+Interactive exercises (drag-drop, gap-fill, categorization, quizzes)
Pre-built Models100+Ready-to-use cycle simulations
Online Course 2022Full Mode 1 + partial Mode 2Complete self-paced learning path

🎓 Theoretical Foundations

This pedagogy is grounded in established educational research:

Cognitive Load Theory (Sweller)

  • Limit working memory demands
  • Use worked examples effectively
  • Build schemas progressively

RTM(E) Model (Reality, Theory, Methods, Examples)

  • Structure knowledge transmission
  • Connect practice and theory
  • Adapt teaching media to content type

Constructivism

  • Learners build understanding actively
  • Realistic contexts enhance learning
  • Tools enable autonomous exploration

Minimalist Instruction (Carroll)

  • Introduce concepts when needed
  • Avoid cognitive overload
  • Favor action-based learning

Multiple Intelligences (Gardner)

  • Visual-spatial (diagrams, schematics)
  • Logical-mathematical (equations, calculations)
  • Kinesthetic (simulation, manipulation)

💡 Why This Book Stands Apart

Traditional TextbooksEnergy Systems (2021)
Math-first approachConcepts-first, math when needed
Equation writingSystemic modeling
Idealized modelsReal fluids, technological constraints
Narrow specializationComprehensive coverage of all energy technologies
Theory-heavyBalance of understanding and application
Static problemsInteractive simulations
Single learning pathThree adaptive modes for diverse learners
Limited practical toolsComplete ecosystem (software + resources + community)

🔗 Foundation for Advanced Study

This book is the pedagogical and conceptual foundation for the advanced series:

Progression Path

📘 Energy Systems (2021) — THIS BOOK

  • Scope: All energy technologies
  • Depth: Introductory to intermediate
  • Pedagogy: Simplified, accessible (Modes 1-3 foundation)

→ Establishes: Basic cycles, visual modeling skills, thermodynamic reasoning


📗 Volume 1 (2026): Advanced Modeling of Energy Components

  • Scope: Component-focused, systemic integration
  • Depth: Advanced, professional-grade, component sizing and off-design behaviour
  • Pedagogy: Technical (Mode 3 complete)

→ Builds on: 2021 foundation to add realistic component modeling and off-design analysis

🔹 Learn more about Volume 1


📕 Volume 2 (2026): Nuclear Power Plant Cycles

  • Scope: Nuclear-specific applications
  • Depth: Highly specialized
  • Pedagogy: Expert (Mode 3 applied)

→ Applies: Both foundational and advanced tools to complete nuclear plant analysis

🔹 Learn more about Volume 2


👥 Target Audience

This edition serves the widest possible readership:

Vocational training — Operators who need practical understanding
Undergraduate students — Building foundational knowledge
Graduate students — Preparing for advanced study (Volumes 1-2)
Educators — Complete teaching framework with proven methods
Professionals — Continuing education and skill updates
International learners — Available in English and French

Entry requirements: Basic physics and mathematics (secondary school level). No prior thermodynamics knowledge assumed.


📊 Proven Impact

Evidence-based results from 25+ years of implementation:

120+ institutions worldwide using this approach
Increased student motivation and engagement
Reduced dropout rates in thermodynamics courses
Faster skill acquisition compared to traditional methods
Higher retention of concepts
Professional readiness — students operational in industrial internships
Teacher satisfaction — more meaningful student interactions

Testimonials: Successfully used by French Navy for submarine operators, industry for professional training, universities for curriculum transformation.


🚀 Getting Started

  1. Chapter 1 — Understand the pedagogical revolution
  2. Mode 1 approach — Build intuition first (Chapters 1-3)
  3. Guided explorations — Master Thermoptim through practice
  4. Progress gradually — Move to Mode 2 when comfortable
  5. Explore specializations — Choose topics matching your interests

📥 Essential Resources


© Renaud Gicquel, 2021.2
Contact: info@thermoptim.org