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HVAC Water Chillers and Cooling Towers provides fundamental principles and practical techniques for the design, application, purchase, operation, and maintenance of water chillers and cooling towers. Written by a leading expert in the field, the book analyzes topics such as piping, water treatment, noise control, electrical service, and energy effi
Cooling Towers and Chilled Water Systems: Design, Operation, and Economic Analysis is a guide to the design and operation of cooling systems within high temperature settings. The book presents various strategies to increase the turndown of cooling towers and chilled water systems and provides a toolkit for engineers to determine the use of variable frequency drivers. A guide to equipment selection for optimal design during the detailed engineering phase is provided, ensuring the reader is able to comply with the project specification within budget. Sections discuss various systems, circuits and processes for cooling tower and chiller systems before detailing design principles. Operational and control strategies are then discussed before a thorough analysis of economic factors, making this book idea for professional engineers, graduate students and researchers working in high-temperature settings, such as power generation or chemical plants. - Presents strategies and tools for engineers to develop and manage efficient cooling towers and chilled water systems - Analyzes the economic benefits of cooled water system designs through the full lifecycle, instructing the reader on how to accurately estimate operating costs - Guides the reader through appropriate equipment selection to comply with project needs
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!
Legionnaires' disease, a pneumonia caused by the Legionella bacterium, is the leading cause of reported waterborne disease outbreaks in the United States. Legionella occur naturally in water from many different environmental sources, but grow rapidly in the warm, stagnant conditions that can be found in engineered water systems such as cooling towers, building plumbing, and hot tubs. Humans are primarily exposed to Legionella through inhalation of contaminated aerosols into the respiratory system. Legionnaires' disease can be fatal, with between 3 and 33 percent of Legionella infections leading to death, and studies show the incidence of Legionnaires' disease in the United States increased five-fold from 2000 to 2017. Management of Legionella in Water Systems reviews the state of science on Legionella contamination of water systems, specifically the ecology and diagnosis. This report explores the process of transmission via water systems, quantification, prevention and control, and policy and training issues that affect the incidence of Legionnaires' disease. It also analyzes existing knowledge gaps and recommends research priorities moving forward.
This book discusses enhancing the overall energy performance of building central air-conditioning systems through fault diagnosis and robust control strategies. Fault diagnosis strategies aim to determine the exact cause of problems and evaluate the energy impact on the system, while robust control strategies aim to manage chilled water systems to avoid the occurrence of low delta-T syndrome and deficit flow problems. Presenting the first academic study of the diagnostic method and control mechanism of “small temperature difference syndrome”, the book describes the highly robust and adaptive fault-tolerant control method developed to overcome the influences of external disturbance on the process control in practical applications. The diagnostic technology developed provides a predictive assessment of the energy dissipation effect of the fault. This book is a valuable reference resource for researchers and designers in the areas of building energy management and built environment control, as well as for senior undergraduate and graduate students.
Since 1932, the ten editions of Architectural Graphic Standards have been referred to as the "architect's bible." From site excavation to structures to roofs, this book is the first place to look when an architect is confronted with a question about building design. With more than 8,000 architectural illustrations, including both reference drawings and constructible architectural details, this book provides an easily accessible graphic reference for highly visual professionals. To celebrate seventy-five years as the cornerstone of an industry, this commemorative Eleventh Edition is the most thorough and significant revision of Architectural Graphic Standards in a generation. Substantially revised to be even more relevant to today's design professionals, it features: An entirely new, innovative look and design created by Bruce Mau Design that includes a modern page layout, bold second color, and new typeface Better organized-- a completely new organization structure applies the UniFormat(r) classification system which organizes content by function rather than product or material Expanded and updated coverage of inclusive, universal, and accessible design strategies Environmentally-sensitive and sustainable design is presented and woven throughout including green materials, LEEDS standards, and recyclability A bold, contemporary new package--as impressive closed as it is open, the Eleventh Edition features a beveled metal plate set in a sleek, black cloth cover Ribbon Markers included as a convenient and helpful way to mark favorite and well used spots in the book All New material Thoroughly reviewed and edited by hundreds of building science experts and experienced architects, all new details and content including: new structural technologies, building systems, and materials emphasis on sustainable construction, green materials, LEED standards, and recyclability expanded and updated coverage on inclusive, universal, and accessible design strategies computing technologies including Building Information Modeling (BIM) and CAD/CAM new information on regional and international variations accessibility requirements keyed throughout the text new standards for conducting, disseminating, and applying architectural research New and improved details With some 8,500 architectural illustrations, including both reference drawings and constructible architectural details, Architectural Graphic Standards continues to be the industry's leading, easily accessible graphic reference for highly visual professionals.
Introductory technical guidance for mechanical engineers and others interested in water treatment for cooling towers. This is what is discussed: 1. TYPES OF COOLING WATER SYSTEMS 2. COOLING TOWER WATER CALCULATIONS 3. OBJECTIVES OF COOLING WATER TREATMENT 4. MICROBIOLOGICAL DEPOSITS AND CONTROL 5. CORROSION IN COOLING SYSTEMS 6. DEVELOPING AN EFFECTIVE COOLING WATER TREATMENT PROGRAM 7. COOLING WATER SYSTEM START-UP AND LAYUP REQUIREMENTS.
This book documents the proceedings of the symposium, "Mineral Scale Formation and Inhibition," held at the American Chemical Society Annual Meeting August 21 to 26, 1994, in Washington, D. C. The symposium, sponsored by the Division of Colloid and Surface Chemistry, was held in honor of Professor George H. Nancollas for his pioneering work in the field of crystal growth from solution. A total of 30 papers were presented by a wide spectrum of scientists. This book also includes papers that were not presented but were in the symposium program. The separation of a solid by crystallization is one of the oldest and perhaps the most frequently used operations in chemistry. Because of its widespread applicability, in recent years there has been considerable interest exhibited by academic and industrial scientists in understanding the mechanisms of crystallization of sparingly soluble salts. The salt systems of great interest in industrial water treatment area (i. e. , cooling and boiler) include carbon ates, sulfates, phosphates, and phosphonates of alkaline earth metals. Although not as common as calcium carbonate and calcium sulfate, barium and strontium sulfates have long plagued oil field and gas production operations. The build-up of these sparingly soluble salts on equipment surfaces results in lower heat transfer efficiency, increased corrosion rates, increased pumping costs, etc. In the laundry application, insoluble calcium carbonate tends to accumulate on washed fabrics and washing equipment parts, resulting in undesirable fabric-encrustation or scaling.
Chilled water systems play a pivotal role in a wide range of applications, from climate control in buildings to industrial processes requiring precise temperature regulation. As the demand for efficient and reliable HVAC solutions continues to rise, it becomes increasingly important for engineers, technicians, and students to have a comprehensive understanding of the components, design principles, and maintenance practices associated with chilled water systems. This book aims to serve as a valuable resource for anyone involved in the design, installation, operation, and maintenance of chilled water systems. Drawing upon decades of collective experience and expertise in the field, each chapter provides detailed insights into specific aspects of chilled water systems, covering everything from fundamental principles to advanced control strategies and emerging technologies. Through clear explanations, practical examples, and insightful discussions, we hope to empower our readers with the knowledge and skills necessary to tackle the challenges of modern chilled water systems effectively. Whether you're a seasoned professional looking to deepen your understanding or a newcomer seeking a comprehensive introduction to the subject, this book is designed to be your go-to guide. We would like to express our gratitude to all the contributors, reviewers, and industry experts who have helped make this book possible. Their invaluable insights and feedback have been instrumental in shaping the content and ensuring its relevance and accuracy. It is our sincere hope that this book will serve as a valuable resource and companion for anyone involved in the fascinating world of chilled water systems. Happy reading!
A complete reference that features a wealth of proven maintenance methods that can reduce energy use in any type of building. Provided are numerous forms and maintenance procedures for reducing energy use, improving system performance, and cutting total maintenance costs.