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Author: Anuj Bhatia
Publisher: Createspace Independent Pub
ISBN: 9781508626176
Category : Technology & Engineering
Languages : en
Pages : 80
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Book Description
Successful HVAC systems are the key to successful buildings. In a central system, air can be conditioned in a remote location in the air-handling units and distributed to the various rooms by ductwork. Or the air can be conditioned directly in the indoor spaces through fan coil units or other terminal devices. The design of air distribution system must combine a proper choice of engineered products efficiently providing conditioned air to the space while adding architectural features which complement the interior design. A good understanding of the various types of commercial HVAC systems is important to ensure the best fit. This quick book course provides basic knowledge about the HVAC distribution systems in design applications. The course provides insight to various systems, technologies and equipment configuration with advantages and disadvantages. This course is applicable to HVAC engineers, facility engineers, architects, energy auditors, environmentalists, operations and maintenance personnel, as well as consultants and contractors who construct, build and manage facilities.Learning ObjectiveAt the conclusion of this course, the reader will understand:1. All – Air Systems• Single duct, single zone, constant volume systems;• Single duct, multi-zone, constant volume systems;• Dual duct systems;• Reheat systems;• Variable air volume systems.2. Air – Water Systems3. All – Water Systems• Two Pipe Systems;• Three Pipe Systems;• Four Pipe Systems.4. Terminal Units• Fan Coil Units;• Induction Units;• Radiators;• Convectors.5. Compact Unitary Units (direct expansion Systems w/o chilled water)• Window Air conditioners;• Unitary & Roof Air Conditioners;• Split type and package air conditioning systems;• Heat pumps;• Delivery items (diffusers, registers & grilles).The course includes a multiple type quiz comprising 30 questions at the end to enhance course learning.
Author: Anuj Bhatia
Publisher: Createspace Independent Pub
ISBN: 9781508626176
Category : Technology & Engineering
Languages : en
Pages : 80
Get Book Here
Book Description
Successful HVAC systems are the key to successful buildings. In a central system, air can be conditioned in a remote location in the air-handling units and distributed to the various rooms by ductwork. Or the air can be conditioned directly in the indoor spaces through fan coil units or other terminal devices. The design of air distribution system must combine a proper choice of engineered products efficiently providing conditioned air to the space while adding architectural features which complement the interior design. A good understanding of the various types of commercial HVAC systems is important to ensure the best fit. This quick book course provides basic knowledge about the HVAC distribution systems in design applications. The course provides insight to various systems, technologies and equipment configuration with advantages and disadvantages. This course is applicable to HVAC engineers, facility engineers, architects, energy auditors, environmentalists, operations and maintenance personnel, as well as consultants and contractors who construct, build and manage facilities.Learning ObjectiveAt the conclusion of this course, the reader will understand:1. All – Air Systems• Single duct, single zone, constant volume systems;• Single duct, multi-zone, constant volume systems;• Dual duct systems;• Reheat systems;• Variable air volume systems.2. Air – Water Systems3. All – Water Systems• Two Pipe Systems;• Three Pipe Systems;• Four Pipe Systems.4. Terminal Units• Fan Coil Units;• Induction Units;• Radiators;• Convectors.5. Compact Unitary Units (direct expansion Systems w/o chilled water)• Window Air conditioners;• Unitary & Roof Air Conditioners;• Split type and package air conditioning systems;• Heat pumps;• Delivery items (diffusers, registers & grilles).The course includes a multiple type quiz comprising 30 questions at the end to enhance course learning.
Author: Fred S. Bauman
Publisher: Bibliotheca Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 260
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Book Description
This guide is ideal for HVAC design engineers, architects, building owners, facility managers, equipment manufacturers and installers, utility engineers, researchers, and other users of underfloor air distribution (UFAD) technology. UFAD systems are innovative methods for delivering space conditioning in offices and other commercial buildings. Improved Thermal Comfort, Improved Ventilation Efficiency and Indoor Air Quality, Reduced Energy Use and Reduced Life-Cycle Building Costs -- The guide explains these as some of the advantages that UFAD systems have over traditional overhead air distribution systems. This guide provides assistance in the design of UFAD systems that are energy efficient, intelligently operated, and effective in their performance. It also describes important research results that support current thinking on UFAD design and includes an extensive annotated bibliography for those seeking additional detailed information.
Author: Alan Trevvett Chalifoux
Publisher:
ISBN:
Category :
Languages : en
Pages : 284
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This Strategy Guideline discusses the benefits and challenges of using a compact air distribution system to handle the reduced loads and reduced air volume needed to condition the space within an energy efficient home. Traditional systems sized by 'rule of thumb' (i.e., 1 ton of cooling per 400 ft2 of floor space) that 'wash' the exterior walls with conditioned air from floor registers cannotprovide appropriate air mixing and moisture removal in low-load homes. A compact air distribution system locates the HVAC equipment centrally with shorter ducts run to interior walls, and ceiling supply outlets throw the air toward the exterior walls along the ceiling plane; alternatively, high sidewall supply outlets throw the air toward the exterior walls. Potential drawbacks includeresistance from installing contractors or code officials who are unfamiliar with compact air distribution systems, as well as a lack of availability of low-cost high sidewall or ceiling supply outlets to meet the low air volumes with good throw characteristics. The decision criteria for a compact air distribution system must be determined early in the whole-house design process, considering bothsupply and return air design. However, careful installation of a compact air distribution system can result in lower material costs from smaller equipment, shorter duct runs, and fewer outlets; increased installation efficiencies, including ease of fitting the system into conditioned space; lower loads on a better balanced HVAC system, and overall improved energy efficiency of the home.
Author: Charles Nehme
Publisher: Charles Nehme
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
The growing demand for energy-efficient, sustainable, and flexible building systems has reshaped how we design and operate modern workspaces. As a crucial component of contemporary HVAC systems, Underfloor Air Distribution (UFAD) technology offers an innovative approach to air delivery that can significantly enhance both occupant comfort and energy efficiency. This book aims to provide a comprehensive guide for engineers, architects, facility managers, and professionals involved in the design, installation, and operation of UFAD systems. Over the past few decades, the evolution of building technologies has prompted a shift away from traditional overhead air distribution systems. UFAD systems, with their ability to deliver conditioned air directly from the floor, are proving to be particularly effective in open-plan offices, data centers, and spaces requiring adaptive layouts. However, as with any system, the success of a UFAD system hinges on a thorough understanding of its design principles, proper installation, and ongoing maintenance. This book was born out of the need for a clear, structured resource that can guide professionals through the complexities of UFAD—from the fundamental science behind air distribution to the nuances of real-world system implementation. Each chapter builds upon the last, starting with an introduction to UFAD and gradually delving into more detailed aspects like airflow dynamics, commissioning, and sustainability. While UFAD offers numerous benefits, such as increased energy efficiency, improved thermal comfort, and design flexibility, these advantages are realized only when the system is designed and maintained with precision. Throughout this book, we will explore not only the technical aspects of UFAD systems but also practical insights and lessons learned from successful projects. I hope that this book serves as a valuable resource for professionals at all levels—whether you are considering UFAD for a new construction project or seeking ways to optimize an existing system. By understanding both the opportunities and challenges that UFAD presents, you can leverage this technology to create more comfortable, energy-efficient, and adaptable environments. Thank you for embarking on this journey into the world of UFAD. I am confident that, together, we can push the boundaries of what is possible in building design and air distribution.
Author: יינון בן יצחק שילוני
Publisher:
ISBN:
Category : Talmud
Languages : en
Pages : 213
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Book Description
Author: NCCER
Publisher:
ISBN: 9780135458273
Category :
Languages : en
Pages :
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Book Description
Author: Mohsen Sheikholeslami Kandelousi
Publisher: BoD – Books on Demand
ISBN: 1789844320
Category : Technology & Engineering
Languages : en
Pages : 172
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Book Description
In this book, various aspects of heating, ventilation, and air-conditioning (HVAC) systems are investigated. HVAC systems are milestones of building mechanical systems that provide thermal comfort for occupants accompanied with indoor air quality. HVAC systems can be classified into central and local systems according to multiple zones, location, and distribution. Primary HVAC equipment includes heating equipment, ventilation equipment, and cooling or air-conditioning equipment. Central HVAC systems are located away from buildings in a central equipment room and deliver the conditioned air by a delivery ductwork system. Central HVAC systems contain all-air, air-water, or all-water systems. Two systems should be considered as central such as heating and cooling panels and water-source heat pumps.
Author: Essam E. Khalil
Publisher: CRC Press
ISBN: 1466594659
Category : Science
Languages : en
Pages : 264
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Book Description
Air Distribution in Buildings is a concise and practical guide to air distribution system design and managing air conditioning systems in buildings. Making use of 40 years of experience in the design of air conditioning and ventilations systems, and other electromechanical services, this structured reference for built environment engineering offers
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.
