Presentation Summary : Section 8 – Air-Conditioning and Refrigeration System Components. This device continuously draws air from an indoor space which is required to cool, it cools in refrigeration system and discharge back into the same indoor space. Training Session on Refrigeration & Air Conditioning. Since our start, Berg’s has pro- vided HVAC in a wide variety of settings. Get powerful tools for managing your contents. ISBN: 978-9966-076-58-8 . Our team of in-house air conditioning experts provide key project solutions to enable the fast, effective and reliable installation of any design requirement. Industrial Boilers Philadelphia University Powerpoint Presentation . Air Conditioning Charging Procedures Review - . Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. You can change your ad preferences anytime. liquid line. Recent developments in refrigerants for air refrigerants for air. ), Evaporator/Chiller • Located in space to be refrigerated • Cooling coil acts as an indirect heat exchanger • Absorbs heat from surroundings and vaporizes • Latent Heat of Vaporization • Sensible Heat of surroundings • Slightly superheated (10°F) - ensures no liquid carryover into compressor, Compressor • Superheated Vapor: • Enters as low press, low temp vapor • Exits as high press, high temp vapor • Temp: creates differential (DT) promotes heat transfer • Press: Tsat allows for condensation at warmer temps • Increase in energy provides the driving force to circulate refrigerant through the system, Condenser • Refrigerant rejects latent heat to cooling medium • Latent heat of condensation (LHC) • Indirect heat exchanger: seawater absorbs the heat and discharges it overboard, Receiver • Temporary storage space & surge volume for the sub-cooled refrigerant • Serves as a vapor seal to prevent vapor from entering the expansion valve, Expansion Device • Thermostatic Expansion Valve (TXV) • Liquid Freon enters the expansion valve at high pressure and leaves as a low pressure wet vapor (vapor forms as refrigerant enters saturation region) • Controls: • Pressure reduction • Amount of refrigerant entering evaporator controls capacity, Air Conditioning • Purpose: maintain the atmosphere of an enclosed space at a required temp, humidity and purity • Refrigeration system is at heart of AC system • Heaters in ventilation system • Types Used: • Self-contained • Refrigerant circulating • Chill water circulating, AC System Types • Self-Contained System • Add-on to ships that originally did not have AC plants • Not located in ventilation system (window unit) • Refrigerant circulating system • Hot air passed over refrigerant cooling coils directly • Chilled water circulating system • Refrigerant cools chill water • Hot air passes over chill water cooling coils, Safety Precautions • Phosgene gas hazard • Lethal • Created when refrigerant is exposed to high temperatures • Handling procedures • Wear goggles and gloves to avoid eye irritation and frostbite • Asphyxiation hazard in non-ventilated spaces (bilges since heavier than air) • Handling of compressed gas bottles, © 2020 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Cooling of food stores and cargo, Objectives • Basic operation of refrigeration and AC systems • Principle components of refrigeration and AC systems • Thermodynamic principles of refrigeration cycle • Safety considerations, Uses of Systems • Cooling of food stores and cargo • Cooling of electronic spaces and equipment • CIC (computers and consoles) • Radio (communications gear) • Radars • ESGN/RLGN • Sonar • Cooling of magazines • Air conditioning for crew comfort, Definition Review • Specific heat (cp): Amount of heat required to raise the temperature of 1 lb of substance 1°F (BTU/lb) – how much for water? Berg’s Heating and Air Conditioning has been in business since 1974. Refrigeration and air conditioning.ppt - Free ebook download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Refrigeration and Air Conditioning Pdf Notes – RAC Pdf Notes file to download are listed below please check it – Link: Complete Notes. Principle of air conditioning In air conditioning system , the device or unit provides air conditioning is called air conditioner . To service air-conditioning systems, technicians must be familiar with the use of tools designed specifically for the mobile. Presentation Title: Special Air Conditioning Tools. refrigeration and air conditioning Powerpoint Presentation . Central Air-Conditioning System The central air conditioning plants or the systems are used when large buildings, hotels, theaters, airports, shopping malls etc. Options of using low-GWP refrigerants - Refrigeration and air conditioning have an important impacton the environment1.1. atm064. txv system. Air conditioning, as a necessary detail of work activity, is reflected in given template designed in neutral tones that highlight seriousness, relevancy and urgency of issues considered in the presentation material. To Service Air Conditioning Systems, Technicians Must Be Familiar. Condens 10.Refrig. If you continue browsing the site, you agree to the use of cookies on this website. Date: February 2019 . there is the misconception that an air conditioner blows cold air…when actually it, Heating and Air-Conditioning Service - . Presentation Title: Electrochem Electrohydrodynamic Heat Transfer. Presentation Summary : Special Air-Conditioning Tools. Principles Of Refrigeration . dishant panchal, Webinar 19th M arch 2013 - . fixed orifice tube. Now customize the name of a clipboard to store your clips. See our Privacy Policy and User Agreement for details. Technical Options Committee. Refrigeration and air conditioning ppt 1. See our User Agreement and Privacy Policy. Create stunning presentation online in just 3 steps. guided by : prof. jugal panchal. We have proudly served Southern Arizona for over 35 years. Date added: 08-18-2018. Dr. J J Magdum College Of typical a/c system. Supply 5.Outside & room fans 7.Compressor 8. This document presents slides informing the public about updates to the Section 608 concerning appliance disposal, refrigerant reclamation, technician certification, refrigerant sales restriction, recordkeeping, and repairing refrigerant leaks. NOC:Refrigeration and air-conditioning (Video) Syllabus; Co-ordinated by : IIT Roorkee; Available from : 2016-09-06; Lec : 1; Modules / Lectures. txv - internal. The technical regulation of the refrigeration market in Europe - . Download refrigeration and air conditioning PPT for free. CrystalGraphics brings you the world's biggest & best collection of air conditioning PowerPoint templates. • Presentation of the material in lectures, workshops and laboratory sessions so that students know how to approach complex engineering calculations required in industry. Reproduction: Ozone Secretariat, UNEP Nairobi, Kenya . 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