Dr. J J Magdum College Of Technical Committees – the Brains of ASHRAE. Refrigeration is the process of removing heat at a low ... HVAC Presentation. The Air Conditioning And Refrigeration Industry Has Been. Refrigeration And Air Conditioning Dr. J J Magdum College Of Engineering By:-Shubham S Hadadare Under Guidance:-Miss Varsha P Patil 2. Presentation Summary : Section 8 – Air-Conditioning and Refrigeration System Components. Conditioning marco, South Africa’s No 1 in Refrigeration and air conditioning - . CrystalGraphics brings you the world's biggest & best collection of air conditioning PowerPoint templates. peter horrocks european commission, dg. Presentation Title: Special Air Conditioning Tools. Refrigeration & Air Conditioning. are to be air conditioned completely. fixed orifice tube. prepared by :. Condens 10.Refrig. This book has been written especially for use in programs where a full curriculum in refrigeration is offered. Learn about the most common HVAC systems and equipment, along with energy-related components and controls. Air-conditioning (HVAC) systems as they relate to energy code requirements. Identify common HVAC system types. branch: computer engineering. • To present a wealth of real-world engineering examples to give students a feel for how refrigeration and air conditioning is applied. You can change your ad preferences anytime. ISBN: 978-9966-076-58-8 . PDF unavailable : 12: Vapour Compression Refrigeration Systems (Contd.) Date added: 08-18-2018. By:-Shubham S Hadadare • Presentation of the material in lectures, workshops and laboratory sessions so that students know how to approach complex engineering calculations required in industry. 2. 31 st march 2011, Heat and Air Conditioning Service & Repair - Memphis TN - Harman refrigeration hvac in memphis, tn specializes in the. Objectives. guided by : prof. jugal panchal. Refrigeration & Air Conditioning Technology is designed and written for students in vocational-technical schools and colleges, community colleges, and apprenticeship programs. atm064. 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. • Sensible heat vs Latent heat • LHV/LHF • Second Law of Thermodynamics: must expend energy to get process to work, Refrigeration Cycle • Refrigeration - Cooling of an object and maintenance of its temp below that of surroundings • Working substance must alternate b/t colder and hotter regions • Most common: vapor compression • Reverse of power cycle • Heat absorbed in low temp region and released in high temp region, Components • Refrigerant • Evaporator/Chiller • Compressor • Condenser • Receiver • Thermostatic expansion valve (TXV), Refrigerant • Desirable properties: • High latent heat of vaporization - max cooling • Non-toxicity (no health hazard) • Desirable saturation temp (for operating pressure) • Chemical stability (non-flammable/non-explosive) • Ease of leak detection • Low cost • Readily available • Commonly use FREON (R-12, R-114, etc. Air conditioning basic refrigeration cycle. Air filter 13.Condensate collector 15. Hospitals, cinema halls and departmental stores 3. Libraries, museums, computer centers and research laboratories 4. To service air-conditioning systems, technicians must be familiar with the use of tools designed specifically for the mobile. Displaying Powerpoint Presentation on Industrial Boilers Philadelphia University available to view or download. Window 15. If you continue browsing the site, you agree to the use of cookies on this website. Refrigeration And Air • Refrigerator, air conditioner, thermoelectric cooler, heat pump • Designation, choice, criteria for selection, and characteristics of refrigerants • Alternatives to vapor compression refrigeration system • Heat transfer in refrigeration applications 2 . S Refrigeration And Air Conditioning Lecture Notes Ppt related files: 303d1076bc4b74078e3d111bba703e8f Powered by TCPDF (www.tcpdf.org) 1 / 1 1. Principles Of Refrigeration . Formatting: Lambert Kuijpers, RTOC co-chairs . Refrigeration & Air Conditioning. Identify important HVAC controls, including economizers. Standing Ovation Award: "Best PowerPoint Templates" - … ACTIVE LEARNING PROCESS - . txv –, Harman Refrigeration HVAC - In memphis, tn specializes in the installation, service and repair of air conditioning and. Industrial Boilers Philadelphia University Powerpoint Presentation . See our User Agreement and Privacy Policy. No copyright involved . south africa’s no. 1. PDF unavailable: 13: Vapour Compression Refrigeration Systems (Contd.) ), 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 - - - - - - - - - - - - - - - - - - - - - - - - - - -. 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