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Author: Arnold Teekaram
Publisher:
ISBN: 9780860226079
Category : Water
Languages : en
Pages : 82
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Book Description
This title covers the design and commissioning of variable flow hydronic systems, including commissioning procedures for constant volume systems and system components and variable-flow systems.
Author: Arnold Teekaram
Publisher:
ISBN: 9780860226079
Category : Water
Languages : en
Pages : 82
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Book Description
This title covers the design and commissioning of variable flow hydronic systems, including commissioning procedures for constant volume systems and system components and variable-flow systems.
Author:
Publisher:
ISBN:
Category : Air conditioning
Languages : en
Pages :
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Book Description
Author: Charles Nehme
Publisher: Charles Nehme
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 146
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Book Description
Welcome to the world of chilled water systems! In this book, we aim to provide you with a comprehensive understanding of chilled water systems, their components, and their applications. Whether you are a student, a professional in the HVAC industry, or simply curious about this fascinating technology, this book will serve as a valuable resource. Chilled water systems play a crucial role in providing cooling for a wide range of applications, from large commercial buildings to industrial facilities and data centers. They are highly efficient, reliable, and versatile, making them an integral part of modern cooling systems. This book is structured to take you on a journey through the fundamentals of chilled water systems. We will start by explaining the basic principles of cooling and the advantages of using chilled water as a medium for heat transfer. We will explore the various components that make up a chilled water system, such as chillers, cooling towers, pumps, and air handling units, and discuss their functionalities and interconnections. Throughout the book, we will delve into the design considerations for chilled water systems, including system capacity, pipe sizing, insulation, and control strategies. We will also cover topics such as water treatment, maintenance practices, and energy efficiency measures to optimize the performance of chilled water systems. Additionally, we will address common challenges and troubleshooting techniques, allowing you to diagnose and resolve issues that may arise in chilled water systems. We will discuss strategies for system optimization, load management, and integration with other building systems, emphasizing the importance of sustainability and environmental responsibility. As you progress through the chapters, you will find practical examples, case studies, and illustrations to enhance your understanding. The goal is to provide you with a well-rounded knowledge base that empowers you to work with chilled water systems effectively. It is important to note that this book assumes a basic understanding of thermodynamics and HVAC principles. However, we have endeavored to explain complex concepts in a clear and accessible manner, making it suitable for both beginners and experienced professionals. We hope that this book will serve as a valuable reference and inspire you to explore the exciting world of chilled water systems further. So, without further ado, let's dive into the cool world of chilled water systems!
Author: Chris Parsloe
Publisher:
ISBN: 9780860227335
Category : Hydraulic control
Languages : en
Pages : 25
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Book Description
Author: Kwok-keung Wong
Publisher:
ISBN:
Category : Refrigeration and refrigerating machinery
Languages : en
Pages : 154
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Book Description
Author: Anuj Bhatia
Publisher: CreateSpace
ISBN: 9781508596912
Category : Technology & Engineering
Languages : en
Pages : 64
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Book Description
In large commercial and industrial systems, chilled water system serves as means to transfer heat from building spaces to the refrigeration system. Initially, when energy costs were low, constant volume and primary-secondary systems provided a stable and simple operation of the chillers and distribution systems. However, as energy costs increased, particularly in the late 1970s, the efficiency of the chillers and the costs associated with operating the distribution system became more important. As a result, the need for new schemes to improve chiller performance and reduce energy costs drove the HVAC industry to advance chilled water technology, particularly in the manner that chilled water is delivered. To understand the hydraulic considerations associated with delivering chilled water and how they influence system performance, it is important to understand how technology and design challenges over the years have influenced today's approach to chilled water pumping. This 5 - hour Quick Book discusses the history of chilled water distribution systems and the development of “variable primary flow system”. Problems such as low delta-T syndrome associated with the chilled water pumping schemes are defined and discussed and finally, this course compares the advantages and disadvantages of primary-secondary and direct-primary pumping schemes. Three chilled water schemes are discussed:SCHEME -1: CONSTANT FLOW CHILLED WATER SYSTEM SCHEME -2: PRIMARY / SECONDAY DISTRIBUTION SCHEMESCHEME -3: VARIABLE PRIMARY FLOW SCHEMEThe course includes a multiple-choice quiz consisting of twenty five (25) questions at the end to enhance course learning. Learning ObjectiveAt the conclusion of this course, the student will able to understand:1. The basic hydronic principles i.e. relationship of chilled water flow rate v/s cooling load and the energy savings due to adjustable speed pumps. 2. How do constant volume chilled water systems different from primary/secondary arrangement?3. What is low delta-T syndrome and how it affects the chiller loading?4. What are the causes and mitigation measures to prevent low delta-T syndrome?5. Why distributed pumping arrangement is better than headered arrangement for constant flow systems?6. How do primary/secondary chilled water systems create hydraulically independent loops?7. How to size the de-coupler bridge?8. The characteristics of control valves and why 2-way valve is better than 3-way valve in variable flow systems?9. How do the variable primary flow system compare with primary/secondary system in terms of cost and energy?10. The importance of design tube velocity and rate of chilled water flow variations in variable primary flow systems.
Author: C. Parsloe
Publisher:
ISBN: 9781628709728
Category : Hydronics
Languages : en
Pages :
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Book Description
This publication forms a supplement to CIBSE Knowledge Series KS7: Variable flow pipework systems (CIBSE, 2006). It explains how to design re-circulating heating and cooling water systems incorporating variable speed pumps utilising two alternative valve solutions not covered in KS7, these being centralised valve modules and pressure independent control valves (PICVs).
Author: HDR Engineering Inc.
Publisher: John Wiley & Sons
ISBN: 0471292117
Category : Technology & Engineering
Languages : en
Pages : 1152
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Book Description
Public water systems deliver high-quality water to the public. They also present a vast array of problems, from pollution monitoring and control to the fundamentals of hydraulics and pipe fitting.
Author: Samuel C. Sugarman
Publisher: CRC Press
ISBN: 1000555844
Category : Technology & Engineering
Languages : en
Pages : 400
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Book Description
This thoroughly revised book will provide the reader with an understanding of the principles and practices of testing and balancing (TAB) heating, ventilating and air conditioning (HVAC) air and water systems. It is for anyone interested in testing and balancing. For the novice and the experienced testing and balancing technician, it is a field reference book of procedures, equations, and information tables. For those interested in getting into TAB or who are new to the HVAC industry, it is a text for learning more about HVAC systems and testing and balancing. For the mechanical engineer, building owner, facility manager, commissioning agency or energy manager, this book can be used for teaching TAB, writing more effective specifications, and learning about TAB and how it interacts with system commissioning, indoor air quality and energy management. It is the intent of this book to improve the communications between owners, mechanical engineers, designers, vendors, contractors, TAB engineers, supervisors, and technicians to ensure that HVAC systems are being thoroughly tested and balanced. This book is used in test and balance self-study courses, in-house training programs, seminars, and other training formats as preparation for TAB certification, and as a text in colleges and technical schools. The sixth edition has general and specific testing and balancing procedures for constant air volume systems, variable air volume systems, return air and exhaust air systems, positive and negative pressure conditioned spaces, and fans and fan performance in Chapters 1 through 9. Chapters 10–12 cover testing and balancing fume hood systems, and cleanrooms and commissioning HVAC systems. Chapters 13 and 14 provide information on water systems and centrifugal pumps including water balancing procedures using flow meters, system components and temperatures, and water pumps and pump performance. Chapter 15 reviews analog and digital controls. Chapters 16–20 cover terminology for fluid flow, psychrometrics, refrigeration ̧ air distribution, water distribution, fans and pumps, motors, electrical, and instrument usage and care. Chapters 21 and 22 are equations and tables.
Author: Samuel C. Sugarman
Publisher: CRC Press
ISBN: 8770223394
Category : Science
Languages : en
Pages : 389
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Book Description
Thoroughly revised, this book provides the reader with an understanding of the principles and practices of testing and balancing (TAB) heating, ventilating, and air conditioning (HVAC) air and water systems. For the novice and the experienced testing and balancing technician, it is a field reference book of procedures, equations, and information tables. Divided into five parts, Part I has general and specific balancing procedures for constant air volume systems, variable air volume systems, return air systems, and fans and fan performance. Part II covers testing and balancing fume hood systems and cleanrooms, commissioning HVAC systems, centrifugal pumps and pump performance, analog and digital controls and water balancing procedures using flow meters, system components, and temperatures. Part III covers fans, pumps, air distribution, water distribution, motors, electrical, fluid flow, psychrometrics, refrigeration, and instrument usage and care. Part IV includes equations and tables. New to this edition, Part V has information and additional test and balance procedures and graphics for chapters 1-7 and 13-14. TAB Data and Test forms are in the new addendum as well. • Provides the readers with revised information about the principles and practices of testing and balancing (TAB) heating • Represents a field reference guide for both the novice and experienced testing and balancing technician • Includes a new section with information and additional test and balance procedures and graphics
