This work gives an overview of the latest advancements in the technology of refrigeration. The work reviews various refrigeration technologies that have come across the globe in the recent past. The author analyses the effective expansion technology, pinch technology and nanotechnology for refrigeration. Moreover, the direct expansion geothermal refrigeration system, the heat driven absorption refrigeration technology, solar-driven ejector refrigeration technologies and the solar-driven hybrid absorption-thermochemical refrigeration system will be disscussed.
Table of Contents
- Chapter 1: Recent Technological Advancements in Refrigeration Technology
- 1.1 Effective expansion technology
- 1.2 Pinch technology
- 1.3 Bubble absorption refrigeration technology
- 1.4 Active off-grid refrigeration technology
- 1.5 Biomethane liquefaction technology
- 1.6 TES-backed up vapour compression refrigeration system
- 1.7 Nanotechnology for refrigeration
- Chapter 2: Combined Power and Refrigeration Cycles and Innovative Technologies
- 2.1 A Combined power and refrigeration cycle
- 2.2 Organic absorption refrigeration processes
- 2.3 Biodegradable Refrigeration lubricant
- 2.5 Direct expansion geothermal refrigeration system
- 2.6 Hybrid dual-temperature absorption refrigeration system
- 2.7 Ejector sub cooled refrigeration system
- Chapter 3: Advanced Refrigeration Technologies and Applications
- 3.1 Cascade absorption refrigeration (CAR)
- 3.2 Ejector expansion refrigeration
- 3.3 Heat driven absorption refrigeration technology
- 3.4 Hybrid solar-assisted power refrigeration system
- 3.5 Hybrid refrigeration system for industrial waste recovery
- 3.6 Diffusion-absorption refrigeration technologies
- 3.7 Heat-driven ejector refrigeration systems
- 3.8 Fishing vessel refrigeration systems
- 3.9 Phase change Materials for Food Refrigeration Applications
- Chapter 4: Solar and Other Renewable Energy-Based Refrigeration Technologies
- 4.1 Absorption chillers
- 4.2 Solar sorption refrigeration technologies
- 4.3 Solar-powered closed sorption refrigeration systems
- 4.4 Solar-driven ejector refrigeration technologies
- 4.5 Magnetocaloric refrigeration effect
- 4.6 Cascade Vapour Refrigeration Systems
- Chapter 5: Integrated and Advanced Refrigeration Systems
- 5.1 An Integrated Kalina and absorption refrigeration
- 5.2 A Multi-effect desalination unit equipped with a cryogenic refrigeration
- 5.3 A Two Stage Compression-Absorption Refrigeration System
- 5.4 Simulation Toolbox (DSST)
- 5.5 An alternative food transport refrigeration systems
- 5.6 Solar-driven hybrid absorption-thermochemical refrigeration system
Objectives and Key Themes
This work provides a quick review of recent technological advancements in refrigeration technology. The objective is to present a comprehensive overview of various innovative approaches and improvements in refrigeration systems, encompassing diverse applications and energy sources.
- Energy Efficiency Improvements in Refrigeration Systems
- Renewable Energy Integration in Refrigeration
- Advanced Refrigeration Cycles and Technologies
- Applications of Refrigeration Technology in Diverse Sectors
- Sustainable and Environmentally Friendly Refrigeration Solutions
Chapter Summaries
Chapter 1: Recent Technological Advancements in Refrigeration Technology: This chapter explores several cutting-edge technologies aimed at enhancing the efficiency and performance of refrigeration systems. It delves into effective expansion technologies, analyzing various expander mechanisms and their impact on energy efficiency, highlighting the significant advancements in trans-critical CO2 systems. The chapter also introduces pinch technology, crucial in cryogenic liquefaction, and explains its role in optimizing heat transfer and energy savings in large-scale cryogenic systems. Further, it examines bubble absorption refrigeration technology, outlining methods to improve its performance through mechanical, chemical, and contactless force methods. Finally, the chapter touches upon active off-grid refrigeration, addressing its importance in regions with limited energy access and exploring solutions for food preservation.
Chapter 2: Combined Power and Refrigeration Cycles and Innovative Technologies: This chapter focuses on innovative approaches to combining power generation and refrigeration, including combined cycles and organic absorption refrigeration processes. It also explores the use of biodegradable refrigerants and lubricants, addressing environmental concerns. The chapter further examines direct expansion geothermal refrigeration systems, harnessing earth's thermal energy for cooling. It also covers hybrid dual-temperature absorption refrigeration systems and ejector sub-cooled refrigeration systems, analyzing their unique characteristics and potential advantages. The focus is on innovative solutions that enhance efficiency and sustainability.
Chapter 3: Advanced Refrigeration Technologies and Applications: This chapter dives into more advanced refrigeration technologies, including cascade absorption refrigeration (CAR), ejector expansion refrigeration, and heat-driven absorption refrigeration systems. It also discusses the integration of solar energy in refrigeration systems, specifically highlighting hybrid solar-assisted power refrigeration systems. The applications of refrigeration are broadened, covering hybrid systems for industrial waste recovery, diffusion-absorption technologies, heat-driven ejector refrigeration systems, and specialized applications like fishing vessel refrigeration. The use of phase change materials in food refrigeration is also explored, emphasizing advancements in various sectors.
Chapter 4: Solar and Other Renewable Energy-Based Refrigeration Technologies: This chapter concentrates on refrigeration technologies powered by renewable energy sources, primarily solar energy. It examines absorption chillers and solar sorption refrigeration technologies, focusing on various systems, including solar-powered closed sorption refrigeration systems and solar-driven ejector refrigeration technologies. The chapter also explores the magnetocaloric refrigeration effect, a novel approach to cooling using magnetic fields, and cascade vapour refrigeration systems, highlighting the potential for sustainable and efficient cooling solutions using renewable energy sources.
Chapter 5: Integrated and Advanced Refrigeration Systems: This chapter explores the integration of different refrigeration technologies into more complex and efficient systems. It details an integrated Kalina and absorption refrigeration system, along with a multi-effect desalination unit utilizing cryogenic refrigeration. A two-stage compression-absorption refrigeration system is also analyzed. The chapter includes a discussion on simulation toolboxes used in the design and analysis of refrigeration systems, focusing on the DSST (Design and Simulation Tool Suite) and concludes with a review of alternative food transport refrigeration systems and solar-driven hybrid absorption-thermochemical refrigeration systems, showcasing innovative solutions for specific applications.
Keywords
Refrigeration technology, energy efficiency, renewable energy, absorption refrigeration, vapor compression, cryogenic refrigeration, solar refrigeration, heat pumps, expander, pinch technology, sustainable cooling, off-grid refrigeration, food preservation, industrial applications, simulation.
Frequently Asked Questions: A Comprehensive Overview of Recent Technological Advancements in Refrigeration Technology
What is the purpose of this document?
This document provides a concise overview of recent technological advancements in refrigeration technology. It aims to present a comprehensive summary of innovative approaches and improvements in refrigeration systems, covering diverse applications and energy sources. The document includes a table of contents, objectives and key themes, chapter summaries, and keywords.
What are the key themes explored in this document?
The key themes revolve around energy efficiency improvements in refrigeration systems, the integration of renewable energy sources, advanced refrigeration cycles and technologies, the application of refrigeration technology across various sectors, and the development of sustainable and environmentally friendly refrigeration solutions.
What are the main chapters and their focus areas?
The document is structured into five chapters. Chapter 1 explores recent technological advancements such as effective expansion technology, pinch technology, and bubble absorption refrigeration. Chapter 2 focuses on combined power and refrigeration cycles and innovative technologies like organic absorption refrigeration and geothermal refrigeration. Chapter 3 delves into advanced refrigeration technologies and applications, including cascade absorption refrigeration and solar-assisted systems. Chapter 4 concentrates on solar and other renewable energy-based refrigeration technologies, including absorption chillers and solar sorption refrigeration. Finally, Chapter 5 explores integrated and advanced refrigeration systems, including combined systems and simulation tools.
What specific technologies are discussed in the document?
The document covers a wide range of technologies, including but not limited to: effective expansion technology, pinch technology, bubble absorption refrigeration, active off-grid refrigeration, biomethane liquefaction, TES-backed vapour compression, nanotechnology for refrigeration, organic absorption refrigeration, biodegradable refrigerants, direct expansion geothermal refrigeration, hybrid dual-temperature absorption refrigeration, ejector sub-cooled refrigeration, cascade absorption refrigeration (CAR), ejector expansion refrigeration, heat-driven absorption refrigeration, hybrid solar-assisted power refrigeration, diffusion-absorption refrigeration, heat-driven ejector refrigeration, fishing vessel refrigeration systems, phase change materials for food refrigeration, absorption chillers, solar sorption refrigeration, solar-powered closed sorption refrigeration, solar-driven ejector refrigeration, magnetocaloric refrigeration, cascade vapour refrigeration, integrated Kalina and absorption refrigeration, multi-effect desalination with cryogenic refrigeration, two-stage compression-absorption refrigeration, and solar-driven hybrid absorption-thermochemical refrigeration.
What are the applications of the discussed refrigeration technologies?
The applications discussed span various sectors, including food preservation, industrial applications (waste recovery), fishing, and desalination. The document highlights the use of refrigeration in diverse contexts, emphasizing the importance of energy efficiency and sustainability.
What are the key benefits of the technologies described?
The key benefits emphasized throughout the document include increased energy efficiency, reduced environmental impact through the use of renewable energy and sustainable solutions, improved performance of refrigeration systems, and the expansion of refrigeration applications to previously underserved areas (e.g., off-grid locations).
What kind of simulation tools are mentioned?
The document mentions the Design and Simulation Tool Suite (DSST) as an example of a simulation toolbox used in the design and analysis of refrigeration systems.
What are the keywords associated with this document?
Keywords include: refrigeration technology, energy efficiency, renewable energy, absorption refrigeration, vapor compression, cryogenic refrigeration, solar refrigeration, heat pumps, expander, pinch technology, sustainable cooling, off-grid refrigeration, food preservation, industrial applications, and simulation.
- Quote paper
- Nithish Reddy (Author), Ms. Keerthi (Author), 2020, Recent technological advancements in the refrigeration technology, Munich, GRIN Verlag, https://www.hausarbeiten.de/document/516556