1.

Record Nr.

UNINA9910830731303321

Titolo

Thermodynamics of heat engines / / coordinated by Bernard Desmet

Pubbl/distr/stampa

Hoboken : , : ISTE Ltd : , : John Wiley and Sons Inc, , [2022]

©2022

ISBN

1-394-18819-6

1-394-18817-X

Descrizione fisica

1 online resource (258 pages)

Disciplina

621.4021

Soggetti

Heat-engines - Thermodynamics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Cover -- Title Page -- Copyright Page -- Contents -- Foreword -- Preface -- Chapter 1. Energy Conversion: Thermodynamic Basics -- 1.1. Introduction -- 1.2. Principles of thermodynamics -- 1.2.1. Notion of a thermodynamic system -- 1.2.2. First law -- 1.2.3. Second law: mechanism of mechanical energy degradation in a heat engine -- 1.3. Thermodynamics of gases -- 1.3.1. Equations of state -- 1.3.2. Calorimetric coefficients -- 1.3.3. Ideal gas -- 1.3.4. Van der Waals gas -- 1.4. Conclusion -- 1.5. References -- Chapter 2. Internal Combustion Engines -- 2.1. Generalities - Operating principles -- 2.1.1. Introduction -- 2.1.2. Spark-ignition engines -- 2.1.3. Compression ignition engine -- 2.1.4. Expression of useful work -- 2.2. Theoretical air cycles -- 2.2.1. Hypotheses -- 2.2.2. Beau de Rochas cycle (Otto cycle) -- 2.2.3. Miller-Atkinson cycle -- 2.2.4. Diesel cycle -- 2.2.5. The limited pressure cycle (mixed cycle) -- 2.2.6. Comparison of theoretical air cycles -- 2.3. Influences of the thermophysical properties of the working fluid on the theoretical cycles -- 2.3.1. Thermophysical properties of the working fluid -- 2.3.2. Reversible adiabatic transformations -- 2.3.3. Mixed cycle for ideal and semi-ideal gases -- 2.4. Zero-dimensional thermodynamic models -- 2.4.1. Hypotheses -- 2.4.2. Single-zone model -- 2.4.3. Flow through the valves -- 2.4.4. Heat transfer with the cylinder walls -- 2.4.5. Combustion heat generation model -- 2.4.6. Two-zone model -- 2.5.



Supercharging of internal combustion engines -- 2.5.1. Basic principles of supercharging -- 2.5.2. Supercharging by a driven compressor -- 2.5.3. Turbocharging -- 2.6. Conclusions and perspectives -- 2.7. References -- Chapter 3. Aeronautical and Space Propulsion -- 3.1. History and development of aeronautical means of propulsion.

3.2. Presentation of the aircraft system and its propulsive unit -- 3.2.1. Classification and presentation of the usual architectures of aeronautical engines and their specific uses -- 3.2.2. Study of the forces applied on the aircraft system during steady flight -- 3.2.3. Definition of the propulsion forces and specific quantities of the propulsion system -- 3.3. Operating cycle analysis -- 3.3.1. Hypotheses and limits of validity -- 3.3.2. Presentation of engine stations (SAE ARP 755 STANDARD) -- 3.3.3. Study of thermodynamic transformations and their representations in T- s diagrams -- 3.3.4. Study of the thermodynamic cycles for a gas turbine -- 3.3.5. Study of the thermodynamic cycle of a gas turbine, branch by branch -- 3.3.6. Improvements to the Joule-Brayton cycle -- 3.3.7. Thermodynamic improvements for a gas turbine using energy regeneration -- 3.3.8. Thermodynamic improvements for a gas turbine using staged compression and expansion -- 3.4. The actual engine -- 3.4.1. Development cycle of the turbomachine (turbojet) -- 3.4.2. Technical disciplines in development -- 3.4.3. Some specific problems of each module -- 3.4.4. Secondary air system design methods -- 3.4.5. T4 and the secondary air system -- 3.5. Perspectives -- 3.6. References -- Chapter 4. Combustion and Conversion of Energy -- 4.1. Generalities -- 4.1.1. Introduction -- 4.1.2. Premixed flame -- 4.1.3. Diffusion flame -- 4.1.4. Stabilization of a flame -- 4.1.5. Flammability of air-fuel mixtures -- 4.1.6. Combustion in internal combustion engines -- 4.2. Theoretical combustion reactions -- 4.2.1. Constituents of the combustible mixture -- 4.2.2. Combustion stoichiometry -- 4.2.3. Theoretical combustion of a lean mixture -- 4.2.4. Theoretical combustion of a rich mixture -- 4.3. Energy study of combustion -- 4.3.1. Combustion at constant volume.

4.3.2. Combustion at constant pressure -- 4.3.3. Relations between heating values -- 4.3.4. Adiabatic flame and explosion temperatures -- 4.4. Chemical kinetics of combustion -- 4.4.1. Chain reactions -- 4.4.2. Composition of a reactive mixture -- 4.4.3. Reaction rates -- 4.4.4. Establishing a chemical equilibrium -- 4.4.5. Equilibrium composition of the combustion products -- 4.4.6. Detailed chemical kinetics-formation of pollutants -- 4.5. Exergy analysis of combustion -- 4.5.1. Exergy of a gas mixture -- 4.5.2. Exergy production from a combustion reaction -- 4.5.3. Exergy of a fuel -- 4.6. Conclusion -- 4.7. References -- Chapter 5. Engines with an External Heat Supply -- 5.1. Introduction -- 5.2. The Stirling engine -- 5.2.1. Theoretical cycle -- 5.2.2. Characteristics of the Stirling engine -- 5.3. The Ericsson engine -- 5.3.1. Operating principles -- 5.3.2. Theoretical cycles -- 5.3.3. Improvements of the Ericsson engine -- 5.4. Perspectives -- 5.4.1. Advantages and disadvantages of Stirling and Ericsson engines -- 5.4.2. Perspectives of evolution of external combustion machines in the new decarbonized energy landscape -- 5.5. References -- Chapter 6. Energy Recovery - Waste Heat Recovery -- 6.1.Waste energy recovery -- 6.1.1. Energy balance of an internal combustion engine -- 6.1.2. Degradation of mechanizable energy into uncompensated heat -- 6.1.3. Exergy balance in internal combustion engines -- 6.1.4. Concept of energy recovery -- 6.2. Cogeneration in industrial facilities -- 6.2.1. Cogenerating gas turbines -- 6.2.2. Cogenerating diesel engine -- 6.2.3. Comparative cogeneration efficiencies -- 6.2.4. Complex depressurized cycle -- 6.2.5. Complex over-expansion cycle -- 6.2.6.



Conclusion -- 6.3. Micro-cogeneration -- 6.3.1. Introduction -- 6.3.2. Classification -- 6.3.3. Internal combustion engines -- 6.3.4. Gas micro-turbines.

6.3.5. Fuel cells -- 6.3.6. Thermoelectricity -- 6.3.7. Thermoacoustics -- 6.3.8. "Rankinized" cycles -- 6.4. Conclusion -- 6.5. Perspectives -- 6.6. References -- List of Authors -- Index -- EULA.

2.

Record Nr.

UNINA9911047816003321

Autore

Berrezueta Santiago

Titolo

Information and Communication Technologies : 13th Ecuadorian Conference, TICEC 2025, Quito, Ecuador, October 16–17, 2025, Proceedings / / edited by Santiago Berrezueta, Tatiana Gualotuña, Efrain R. Fonseca C., Germania Rodriguez Morales, Jorge Maldonado-Mahauad

Pubbl/distr/stampa

Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2026

ISBN

3-032-08366-4

Edizione

[1st ed. 2026.]

Descrizione fisica

1 online resource (0 pages)

Collana

Communications in Computer and Information Science, , 1865-0937 ; ; 2707

Altri autori (Persone)

GualotuñaTatiana

Fonseca CEfrain R

Rodriguez MoralesGermania

Maldonado-MahauadJorge

Disciplina

005.73

003.54

Soggetti

Data structures (Computer science)

Information theory

Software engineering

Artificial intelligence

Computers, Special purpose

Operating systems (Computers)

Computer networks

Data Structures and Information Theory

Software Engineering

Artificial Intelligence

Special Purpose and Application-Based Systems

Operating Systems

Computer Communication Networks

Lingua di pubblicazione

Inglese



Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

-- Artificial Intelligence and Data Science.  -- Combining Synthetic Minority Over-sampling Technique and Multinomial Naive Bayes for Sentiment Analysis on Imbalanced Social Media Datasets.  -- Stance-EC: A Spanish Dataset of Political Discourse on X/Twitter for Stance Detec-tion.  -- Data Science for the Analysis and Prediction of Energy Consumption in an Industrial Processing Plant.  -- Unveiling Seasonal Air Pollution Patterns with Data Mining.  -- Enriching Dataset Metadata with LLMs to Unlock Semantic Meaning.  -- Satellite Tile Extraction for Agricultural Monitoring Models Based on Computer Vi-sion and Deep Learning.  -- Boosting Automatic Speech Recognition Performance for Noisy Emergency Calls with Hybrid Processing Techniques.  -- E-Learning.  -- CARE+: A Methodology for AI-Enhanced Learning that Develops 21st Century Competencies.  -- Wellness-Aware Course Allocation: A Data-Driven Framework for Assigning Subjects to University Professors.  -- Implementation of LLM-based Chatbots for Academic Support in Higher Education Institutions: A Case Study.  -- Automated Advisor Matching for Student Theses Using Transformer-Based Topic Modeling.  -- Optimizing Learning Analytics in Serious Games: Reengineering the MIDI-am Dash-board.  -- A Data Integration Framework to Support Accreditation and Strategic Evaluation in Higher Education Institutions: A Case Study in Ecuador.  -- ICT Applications.  -- AI-BananaMapping: A Drone-Based Remote Sensing System for the Automatic Detection of Moko and Black Sigatoka in Banana Crops.  -- Air Quality Analysis in Educational Environments Through an IoT-based Monitoring System.  -- State of the Art of CAPTCHA as a Security Mechanism: Current Challenges and New Perspectives in Human Identification.  -- A Machine Learning and SUMO-Based Framework for CO2 Emission Prediction in Urban Areas with Web Application Deployment.  -- GPT-Based Semantic Similarity Analysis for Enhanced Emergency Call Response.  -- Machine Learning Algorithms for Predicting Agricultural Crop Production and Sales in Ecuador.  -- Software.  -- GR-orbit-toolkit: A Python-Based Software for Simulating and Visualizing Relativ-istic Orbits.  -- A Systematic Literature Review on the Security Weaknesses of Fully Homomorphic Encryption Schemes.  -- A Domain-Specific Language and Model-Based Engine for Implementing Container Infrastructures for Data Science Applications.  -- Systematic Literature Review on Innovative Techniques for Malware Prevention in Superapps: A Focus on Miniapp Threats.  -- Numerical Performance Analysis of the Direct and Barnes-Hut Algorithm for Solving the N-Body Problem.  -- Doctoral Consortium.  -- Toward an Integrated Architecture for Personalized Learning: Combining Generative AI, Gamification, and UX.  -- Model-Driven Intelligent User Interfaces Using Machine Learning.  -- Multimodal Framework for supporting diagnosis and intervention of excessive use of social networks by university students.  -- Toward a Robust and Enhanced DevSecOps Framework.  -- Cost-efficient SQL Engines for Big Data queries based on EMR Clusters.  -- A Proposed Methodology for Semantic Alignment and Specialization of Pre-trained Multilingual Embeddings Using Mixture-of-Experts and Contrastive Learning for Legal Text Retrieval in Ecuador.

Sommario/riassunto

This book constitutes the refereed proceedings of the 13th Ecuadorian Conference on Information and Communication Technologies, TICEC



2025, held in Quito, Ecuador, during October 16–17, 2025. The 30 full papers included in this book were carefully reviewed and selected from 104 submissions. They were organized in topical sections as follows: Artificial Intelligence and Data Science; E-Learning; ICT Applications; Software; and Doctoral Consortium.