Hvac Cooling Load Calculations And Principles
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| Author | : A. Bhatia |
| Publisher | : Createspace Independent Publishing Platform |
| Total Pages | : 0 |
| Release | : 2014-10-16 |
| Genre | : Air conditioning |
| ISBN | : 9781502851369 |
Heating and cooling load calculations are carried out to estimate the required capacity of heating and cooling systems, which can maintain the required conditions in the conditioned space. To estimate the required cooling or heating capacities, one has to have information regarding the design indoor and outdoor conditions, specifications of the building, specifications of the conditioned space (such as the occupancy, activity level, various appliances and equipment used etc.) and any special requirements of the particular application. For comfort applications, the required indoor conditions are fixed by the criterion of thermal comfort, while for industrial or commercial applications the required indoor conditions are fixed by the particular processes being performed or the products being stored. Generally, heating and cooling load calculations involve a systematic and stepwise procedure, which account for all the building energy flows. In practice, a variety of methods ranging from simple rules-of-thumb to complex transfer function methods are used to arrive at the building loads. This short quick book provides a procedure for preparing a manual calculation for cooling load using CLTD/CLF method suggested by ASHRAE and includes two detailed examples. For more advanced methods such as TFM, the reader should refer to ASHRAE and other handbooks.Learning ObjectiveAt the end of this course, the student should be able to: 1. Understand the basic terminology and definitions related to air conditioning load calculations 2. Explain the differences between heating and cooling load design considerations3. Explain the difference between 1) space heat gain v/s cooling load 2) space cooling v/s cooling load and 3) external loads v/s internal loads4. Differentiate between sensible and latent loads5. List commonly used methods for estimating cooling loads 6. Estimate the internal and external cooling loads using CLTD/CLF method from building specifications, design indoor and outdoor conditions, occupancy etc. 7. Describe various equations and the information sources to determine conductive load through opaque building elements.8. Describe various equations and information sources to determine the solar transmission load through glazing.9. Describe various equations and information sources to determine the internal load due to people, lights and power appliances.10. Determine the supply air flow rate11. Learn by examples the detailed methodology to cooling load calculations12. Learn the functional parameters of software programs such as TRACE 700 and CHVAC
| Author | : Jeffrey D. Spitler |
| Publisher | : Ashrae |
| Total Pages | : 342 |
| Release | : 2014-10-01 |
| Genre | : Air conditioning |
| ISBN | : 9781936504756 |
"This manual focuses on the calculation of cooling and heating loads for commercial buildings. The heat balance method (HBM) and radiant time series method (RTSM) (as well as how to implement these methods) are discussed. Heat transfer processes and their analysis, psychrometrics, and heating load calculations are also considered"--
| Author | : John W. Mitchell |
| Publisher | : John Wiley & Sons |
| Total Pages | : 629 |
| Release | : 2012-03-06 |
| Genre | : Science |
| ISBN | : 0470624574 |
Heating Ventilation and Air Conditioning by J. W. Mitchell and J. E. Braun provides foundational knowledge for the behavior and analysis of HVAC systems and related devices. The emphasis of this text is on the application of engineering principles that features tight integration of physical descriptions with a software program that allows performance to be directly calculated, with results that provide insight into actual behavior. Furthermore, the text offers more examples, end-of-chapter problems, and design projects that represent situations an engineer might face in practice and are selected to illustrate the complex and integrated nature of an HVAC system or piece of equipment.
| Author | : American Society of Heating, Refrigerating and Air-Conditioning Engineers |
| Publisher | : |
| Total Pages | : |
| Release | : 1997 |
| Genre | : Air conditioning |
| ISBN | : 9781883413453 |
| Author | : E. Pita |
| Publisher | : Prentice Hall |
| Total Pages | : 950 |
| Release | : 1989 |
| Genre | : |
| ISBN | : 9780130181510 |
This book explores the fundamental concepts of air conditioning and their application to systems. The book explains all concepts in a clear, practical manner, and focuses on problems and examples typically encountered on the job. Uses a minimum of mathematics.
| Author | : Jan F. Kreider |
| Publisher | : CRC Press |
| Total Pages | : 866 |
| Release | : 2009-12-28 |
| Genre | : Science |
| ISBN | : 1439882509 |
The art and the science of building systems design evolve continuously as designers, practitioners, and researchers all endeavor to improve the performance of buildings and the comfort and productivity of their occupants. Retaining coverage from the original second edition while updating the information in electronic form, Heating and Cooling of Buildings: Design for Efficiency, Revised Second Edition presents the technical basis for designing the lighting and mechanical systems of buildings. Along with numerous homework problems, the revised second edition offers a full chapter on economic analysis and optimization, new heating and cooling load procedures and databases, and simplified procedures for ground coupled heat transfer calculations. The accompanying CD-ROM contains an updated version of the Heating and Cooling of Buildings (HCB) software program as well as electronic appendices that include over 1,000 tables in HTML format that can be searched by major categories, a table list, or an index of topics. Ancillary information is available on the book’s website www.hcbcentral.com From materials to computers, this edition explores the latest technologies exerting a profound effect on the design and operation of buildings. Emphasizing design optimization and critical thinking, the book continues to be the ultimate resource for understanding energy use in buildings.
| Author | : G F Hundy |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 512 |
| Release | : 2016-03-07 |
| Genre | : Science |
| ISBN | : 0081006667 |
Refrigeration, Air Conditioning and Heat Pumps, Fifth Edition, provides a comprehensive introduction to the principles and practice of refrigeration. Clear and comprehensive, it is suitable for both trainee and professional HVAC engineers, with a straightforward approach that also helps inexperienced readers gain a comprehensive introduction to the fundamentals of the technology. With its concise style and broad scope, the book covers most of the equipment and applications professionals will encounter. The simplicity of the descriptions helps users understand, specify, commission, use, and maintain these systems. It is a must-have text for anyone who needs thorough, foundational information on refrigeration and air conditioning, but without textbook pedagogy. It includes detailed technicalities or product-specific information. New material to this edition includes the latest developments in refrigerants and lubricants, together with updated information on compressors, heat exchangers, liquid chillers, electronic expansion valves, controls, and cold storage. In addition, efficiency, environmental impact, split systems, retail refrigeration (supermarket systems and cold rooms), industrial systems, fans, air infiltration, and noise are also included. - Full theoretical and practical treatment of current issues and trends in refrigeration and air conditioning technology - Meets the needs of industry practitioners and system designers who need a rigorous, but accessible reference to the latest developments in refrigeration and AC that is supported by coverage at a level not found in typical course textbooks - New edition features updated content on refrigerants, microchannel technology, noise, condensers, data centers, and electronic control
| Author | : Shan K. Wang |
| Publisher | : McGraw Hill Professional |
| Total Pages | : 1430 |
| Release | : 2000-11-07 |
| Genre | : Technology & Engineering |
| ISBN | : |
* A broad range of disciplines--energy conservation and air quality issues, construction and design, and the manufacture of temperature-sensitive products and materials--is covered in this comprehensive handbook * Provide essential, up-to-date HVAC data, codes, standards, and guidelines, all conveniently located in one volume * A definitive reference source on the design, selection and operation of A/C and refrigeration systems
| Author | : Faye C. McQuiston |
| Publisher | : John Wiley & Sons |
| Total Pages | : 648 |
| Release | : 2004-08-06 |
| Genre | : Technology & Engineering |
| ISBN | : 0471470155 |
HEATING, VENTILATING, AND AIR CONDITIONING Completely revised with the latest HVAC design practices! Based on the most recent standards from ASHRAE, this Sixth Edition provides complete and up-to-date coverage of all aspects of heating, ventilation, and air conditioning. You’ll find the latest load calculation procedures, indoor air quality procedures, and issues related to ozone depletion. Throughout the text, numerous worked examples clearly show you how to apply the concepts in realistic scenarios. In addition, several computer programs (several new to this edition) help you understand key concepts and allow you to simulate various scenarios, such as psychometrics and air quality, load calculations, piping system design, duct system design, and cooling coil simulation. Additionally, the load calculation program has been revised and updated. These computer programs are available at the book’s website: www.wiley.com/college/mcquiston Key Features of the Sixth Edition Additional new worked examples in the text and on the accompanying software. Chapters 6-9 have been extensively revised for clarity and ease of use. Chapter 8, The Cooling Load, now includes two approaches: the heat balance method, as recommended by ASHRAE, and the simpler RTS method. Both approaches include computer applications to aid in calculations. Provides complete, authoritative treatment of all aspects of HVAC, based on current ASHRAE standards. Numerous worked examples and homework problems provide realistic scenarios to apply concepts.
| Author | : |
| Publisher | : |
| Total Pages | : 310 |
| Release | : 2002-06-01 |
| Genre | : |
| ISBN | : 9781931862301 |
Covers heat transfer as it applies to buildings and the various factors that must be considered when calculating the heating and cooling loads of a building. Topics include: how to use a simple heat loss calculation procedure; how to find and use local climate data; thermal properties of building materials; effects of air infiltration and ventilation; basic concepts and methods to determine cooling loads; effects of windows, walls, roofs and partitions on loads; basic types of internal loads; how to use the CLTD Method; and how to use the Transfer Function Method.
