... of ASHRAE Standard 90.1-1999 and ASHRAE Standard 62-1999, often called the Energy standard and Indoor Air Quality standard, the second edition of Handbook of Air Conditioning and Refrigeration ... (1) comfort air conditioning systems and (2) process air conditioning systems Comfort Air Conditioning Systems Comfort air conditioning systems provide occupants with a comfortable and healthy ... Room Air Conditioning Systems 1.4 Evaporative-Cooling Air Conditioning Systems 1.4 Desiccant-Based Air Conditioning Systems 1.4 Thermal Storage Air Conditioning Systems 1.5 Clean-Room Air Conditioning...
Ngày tải lên: 29/10/2013, 20:15
... dry air, mol nw ϭ number of moles of water vapor in moist air sample, mol nws ϭ number of moles of water vapor in saturated moist air sample, mol Moist air is a binary mixture of dry air and ... points and 2, °F (°C) As moist air is approximately a binary mixture of dry air and water vapor, the enthalpy of the moist air can be evaluated as h ϭ ϩ Hw (2.25) PSYCHROMETRICS 2.9 where and Hw ... where V ϭ total volume of mixture, ft3 (m3) ma ϭ mass of dry air, lb (kg) In a moist air sample, the dry air, water vapor, and moist air occupy the same volume If we apply the ideal gas equation,...
Ngày tải lên: 29/10/2013, 20:15
Air conditioning and refrigeration mechanical engineering handbook
... Materials and Methods Mechanical Insulation Fire Protection Plumbing Heating, Ventilating, and Air- Conditioning Heat Generation Refrigeration Heat Transfer Air Handling 9-9 Air- Conditioning and Refrigeration ... Processes • Humidifying and Cooling and Dehumidifying Processes • Air- Conditioning Cycles and Operating Modes 9.4 Refrigerants and Refrigeration Cycles 9-34 Refrigeration and Refrigeration Systems ... various air- conditioning processes and air- conditioning cycles A psychrometric chart also helps in calculating and analyzing the work and energy transfer of various air- conditioning processes and...
Ngày tải lên: 14/03/2014, 19:27
Air conditioning and refrigeration (malestrom)
... since voltage and current changes can affect the operation of air- conditioning and refrigeration units It is impossible to install or service air- conditioning and refrigeration units and systems ... Companies, Inc Click here for terms of use Air Conditioning and Refrigeration This page intentionally left blank CHAPTER Air- Conditioning and Refrigeration Tools and Instruments Copyright © 2006 by ... 20 Air- Conditioning and Refrigeration Careers Performance Objectives 524 Industries that Employ Air- Conditioning and Refrigeration Mechanics 524 Job Qualifications 525 The Future 526 Pay and...
Ngày tải lên: 08/04/2014, 11:38
Chapter air conditioning and refrigeration (vietnamese)
... [(2+17+19+20)/15] TÀI LIỆU THAM KHẢO American Society Heating Refrigeration and Air Conditioning ASHRAE Hand Book 2001 Arora, C.P Refrigeration and Air Conditioning Second edition Tata McGraw-Hill Publishing ... McGraw-Hill Publishing Company Ltd 2000 Bureau of Energy Efficiency, Ministry of Power, India HVAC and Refrigeration Systems In: Energy Efficiency in Electrical Utilities, chapter 2004 Compare India ... Efficiency and Renewable Energy www.eere.energy.gov Copyright: Copyright © United Nations Environment Programme (year 2006) This publication may be reproduced in whole or in part and in any form...
Ngày tải lên: 12/04/2014, 10:23
Fine tuning air conditioning and refrigeration systems
... air conditioning/ and reration e ui ment is a very good place start, because air conditioning to est users of electricity in residential and many commercial heating, air conditioning/ and refrigeration ... air. The air temperature is measured in two locations: the return air stream and the discharge air stream, Figure 2-2 the tempera~re readings after the mixing of m y air and within ft of the air ... air c o ~ d i t i o ~ i n g refrigeratio~ and systems/ aintenance and repair 3, in~ E~iciency machinery” ting air Air condition in^" R e f r i g e r a ~ o ~ r e f r i g e r a ~ g and machinery...
Ngày tải lên: 12/03/2015, 15:29
automotive air conditioning and climate control systems
... offer air- conditioning training at level of their Progression Award, Unit – Diagnose faults and repair systems and components – air- conditioning and climate control xvi Automotive Air- conditioning ... the design and optimisation of an air- conditioning (A/C) system Enable the reader to understand the fundamental principles and operation of the heating, cooling, ventilation and air- conditioning ... & Guilds 6048 Motor Vehicle Air Conditioning (Service and Repair) The City & Guilds 6048 Motor Vehicle Air Conditioning certificate is a recognised qualification and the course covers the underpinning...
Ngày tải lên: 06/05/2014, 11:29
Refrigeration and Air-Conditioning pdf
... determined by the requirements of the air conditioned enclosure BS 5643: 1984 Refrigeration and Air- Conditioning Third edition A R Trott and T Welch OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE ... Industrial uses of refrigeration 223 Air and water vapour mixtures 227 Air treatment cycles 240 Practical air treatment cycles 255 vi 26 27 28 29 30 31 32 33 34 35 Contents Air- conditioning load ... draught air and a vertical plane surface ([1], Chapter 3, Table 6) gives: h′ = 5.6 + 18.6V Refrigeration and Air- Conditioning Table 1.3 Number Sign Parameters Reynolds Re Grashof Gr Nusselt Nu Prandtl...
Ngày tải lên: 05/03/2014, 19:20
Direct HFC and PFC Emissions from Use of Refrigeration and Air Conditioning Equipment pptx
... addresses HFC and PFC emissions from users of refrigeration and air con ditioning equipment including household refriger ation, domestic air conditioning and heat pumps, mobile air conditioning, ... estimating HFC and PFC emissions from refrigeration and air conditioning equip ment use This method requires available data on the total inventory of refrigerants at the beginning and end of the ... methods, one for refrigeration and air conditioning equipment and a second for fire suppression equipment See Chapter of the Climate Leaders Design Principles for more on materiality and significance...
Ngày tải lên: 08/03/2014, 19:20
Mechanical Technology Department Refrigeration and Air Conditioning Section Study Plan pptx
... Course Title Prerequisites Refrigeration and Air Conditioning Major Mechanical Technology Air Conditioning Systems and Equipment RAC 111 & RAC 112 Refrigeration and Air Conditioning Code RAC 202 ... Course Title Prerequisites Refrigeration and Air Conditioning Major Mechanical Technology Refrigeration Systems and Equipment RAC 111 & RAC 112 Refrigeration and Air Conditioning Code RAC 201 ... Desert Air Coolers Components of Simple Ref & A/C Units Car A/C Systems - 28 - Department of Mechanical Technology References: Refrigeration and Air Conditioning “Modern Refrigeration and Air Conditioning ...
Ngày tải lên: 01/04/2014, 00:20
Refrigeration and Air Conditioning IV (Equypment Cooling) pdf
... instruction in refrigeration and air conditioning The scope of this subcourse takes in unit components of the absorption system, including their functions and maintenance; water treatment methods and their ... direct expansion (D/X), and (3) reheat We will discuss the application of these coils, their use and control, and the valves and dampers which control the flow of water and air D/X Coil In equipment ... passing score for ACCP material is 70% Preface YOU HAVE studied the fundamentals and commercial refrigeration and air- conditioning systems This final volume deals with another phase of your career...
Ngày tải lên: 27/06/2014, 05:20
Refrigeration and Air-Conditioning.Refrigeration: The process of removing heat ppt
... determined by the requirements of the air conditioned enclosure BS 5643: 1984 Refrigeration and Air- Conditioning Third edition A R Trott and T Welch OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE ... Industrial uses of refrigeration 223 Air and water vapour mixtures 227 Air treatment cycles 240 Practical air treatment cycles 255 vi 26 27 28 29 30 31 32 33 34 35 Contents Air- conditioning load ... draught air and a vertical plane surface ([1], Chapter 3, Table 6) gives: h′ = 5.6 + 18.6V Refrigeration and Air- Conditioning Table 1.3 Number Sign Parameters Reynolds Re Grashof Gr Nusselt Nu Prandtl...
Ngày tải lên: 27/06/2014, 17:20
Refrigeration and Air-Conditioning Refrigeration: The process of removing heat ppt
... determined by the requirements of the air conditioned enclosure BS 5643: 1984 Refrigeration and Air- Conditioning Third edition A R Trott and T Welch OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE ... Industrial uses of refrigeration 223 Air and water vapour mixtures 227 Air treatment cycles 240 Practical air treatment cycles 255 vi 26 27 28 29 30 31 32 33 34 35 Contents Air- conditioning load ... draught air and a vertical plane surface ([1], Chapter 3, Table 6) gives: h′ = 5.6 + 18.6V Refrigeration and Air- Conditioning Table 1.3 Number Sign Parameters Reynolds Re Grashof Gr Nusselt Nu Prandtl...
Ngày tải lên: 27/06/2014, 18:20
REFRIGERATION AND AIR CONDITIONING IV doc
... instruction in refrigeration and air conditioning The scope of this subcourse takes in unit components of the absorption system, including their functions and maintenance; water treatment methods and their ... direct expansion (D/X), and (3) reheat We will discuss the application of these coils, their use and control, and the valves and dampers which control the flow of water and air D/X Coil In equipment ... passing score for ACCP material is 70% Preface YOU HAVE studied the fundamentals and commercial refrigeration and air- conditioning systems This final volume deals with another phase of your career...
Ngày tải lên: 27/06/2014, 18:20
Refrigeration and Air Conditioning 3 E Part 1 doc
... determined by the requirements of the air conditioned enclosure BS 5643: 1984 Refrigeration and Air- Conditioning Third edition A R Trott and T Welch OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE ... Industrial uses of refrigeration 223 Air and water vapour mixtures 227 Air treatment cycles 240 Practical air treatment cycles 255 vi 26 27 28 29 30 31 32 33 34 35 Contents Air- conditioning load ... draught air and a vertical plane surface ([1], Chapter 3, Table 6) gives: h′ = 5.6 + 18.6V Refrigeration and Air- Conditioning Table 1.3 Number Sign Parameters Reynolds Re Grashof Gr Nusselt Nu Prandtl...
Ngày tải lên: 12/08/2014, 00:20
Refrigeration and Air Conditioning 3 E Part 2 potx
... energy (Figure 2.12) The refrigeration cycle 27 Air inlet Cooling air out Expander Cold air to process Heat exchanger Compressor Cooling air in Fan Figure 2.12 2.11 Air cycle cooling Thermoelectric ... course, the basis of the air liquefaction process) The main application for this cycle is the air- conditioning and pressurization of aircraft The turbines used for compression and expansion turn at ... plant room and into the atmosphere If the plant room is outside or on the roof of a building, the escaping ammonia will drift away from the refrigeration plant 34 Refrigeration and Air- Conditioning...
Ngày tải lên: 12/08/2014, 00:20