2023_24
Educational guide 
School of Chemical Engineering
A A A 
english 
Energy Conversion Systems and Technologies (2019)
 Subjects
  THERMAL ENERGY CONVERSION TECHNOLOGIES
   Contents
Topic Sub-topic
CHAPTER 1. Fundamentals of Thermodynamics thermal energy conversion systems. Definitions and Classification of Heat Conversion Systems. Solutions exchanging heat at two and three temperatures.
CHAPTER 2. Thermodynamic properties of working fluids. Introduction. Thermodynamic diagrams of pure working fluids and mixtures. Thermodynamic properties required for working mixtures of absorption systems. thermodynamic PTX (Y) and HTX (Y) diagrams of H2O / LiBr and NH3 / H2O mixtures. Other working mixtures
CHAPTER 3. Basics of absorption heat pumps and chillers. Introduction. Ideal cycle of heat pump and refrigeration thermal systems. Single-stage absorption cycle. Conventional working mixtures. Performance indicators. Multistage absorption cycles. The current state of absorption technology. Commercial and market aspects
CHAPTER 4. Modelling processes in components of absorption refrigeration systems. Introduction. Adiabatic mixing with fluid mixtures. Desorption. Absorption. Evaporation and condensation. Pumping and expansion processes in valves and throttling devices. Heat recovery in heat exchangers. Ammonia purification in ammonia/water systems. Heat transfer in components of absorption systems
CHAPTER 5. Absorption refrigeration systems. Technologies and modelling Introduction. Water systems / LiBr: technological aspects, thermodynamic modelling and analysis of the operation of the basic cycle. Representation of the cycle in a Duhring diagram (PTX). Thermodynamic modelling with heat transfer with external circuits. Multistage cycles. Double-effect, triple-effect and half-effect cycles.
Ammonia/water cooling systems; technological aspects. Thermodynamic modeling and analysis of the. operation of the basic cycle. Representation of the cycle in a Duhring diagram (PTXY) Improvement of the operation of the basic cycle. GAX cycles. Concept, configurations and design of the cycle.
CHAPTER 6. Absorption Heat Pumps and Heat Transformers Introduction. Absorption heat pumps: working fluids and cycle configurations. Absorption heat pumps type I: Operational envelop of Water/LiBr and commercial products. Absorption heat transformers technology and commercial products. Modelling of the single-stage absorption heat transformer cycle. Modelling of the heat transformer with external circuits heat transfer.
CHAPTER 7. Absorption Power Systems and combined absorption systems for power and Refrigeration
Introduction. The Kalina Cycle; The basic Kalina Cycle. Kalina Cycle Systems for low- mid and high-grade heat sources.Modelling and performance. Combined absorption systems for refrigeration and power production. Configurations for low and mid-grade heat sources. Modelling and performance .