Displaying Powerpoint Presentation on Industrial Boilers Philadelphia University available to view or download. Refrigeration is the process of removing heat at a low ... HVAC Presentation. Refrigeration & Air Conditioning Technology is designed and written for students in vocational-technical schools and colleges, community colleges, and apprenticeship programs. Engineering 2. Our team of in-house air conditioning experts provide key project solutions to enable the fast, effective and reliable installation of any design requirement. typical a/c system. Identify important HVAC controls, including economizers. We have proudly served Southern Arizona for over 35 years. Now customize the name of a clipboard to store your clips. Berg’s Heating and Air Conditioning has been in business since 1974. • 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 . Unit-1. 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. 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. Refrigeration and air conditioning ppt 1. Window 15. WINNER! We offer a large collection of Air Conditioning Templates that promotes high quality designs with good content organization and product presentation. Reproduction: Ozone Secretariat, UNEP Nairobi, Kenya . This presentation template 46091 is complete compatible with Google Slides. Lecture Series on Refrigeration & Air-conditioning by Prof. Ravi Kumar, Department of Mechanical & Industrial Engineering, Indian Institute of Technology Roorkee, Uttarakhand, India. PDF unavailable: 13: Vapour Compression Refrigeration Systems (Contd.) Since our start, Berg’s has pro- vided HVAC in a wide variety of settings. To service air-conditioning systems, technicians must be familiar with the use of tools designed specifically for the mobile. ), 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 - - - - - - - - - - - - - - - - - - - - - - - - - - -. Residential and office buildings 2. Objectives. See our Privacy Policy and User Agreement for details. Prof. @ Dr. Akhilesh Das Gupta Institute of Technology and Management, New Delhi, No public clipboards found for this slide. training and certification schemes for refrigeration and air-conditioning technicians. guided by : prof. jugal panchal. Training Session on Refrigeration & Air Conditioning. Refrigeration & Air Conditioning. Hospitals, cinema halls and departmental stores 3. Presentation Summary : Special Air-Conditioning Tools. • To present a wealth of real-world engineering examples to give students a feel for how refrigeration and air conditioning is applied. Book two. Learn about the most common HVAC systems and equipment, along with energy-related components and controls. Date added: 08-18-2018. 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. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. SYNERGY E L V Division ..... Unitary AC Units. branch: computer engineering. The window and split air conditioners are used for single rooms or small office spaces. introducing …. The Air Conditioning And Refrigeration Industry Has Been. 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? Lecture 1: Recapitulation of Thermodynamics ; Lecture 02- Introduction to Refrigeration; Lecture 03- Air Refrigeration Cycle; Lecture 04- Aircraft Refrigeration Cycles-1; Lecture 05- Aircraft Refrigeration Cycles-2; Unit-2. Basic operation of refrigeration and AC systems Principle components of refrigeration and AC systems Thermodynamic principles of refrigeration cycle Safety considerations. Supply 5.Outside & room fans 7.Compressor 8. Energy Savings Opportunities in Controls, Lighting, Air Conditioning, Water Heating and Refrigeration - . Even as an air conditioning company, you need to be opened to innovation and prove to your possible clients that you understand their need for perfect products and services. Refrigeration and air conditioning.ppt - Free ebook download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. PDF unavailable : 12: Vapour Compression Refrigeration Systems (Contd.) locate obvious problems in heating and air-conditioning, Last Week: Heat Exchangers Refrigeration This Week: More on Refrigeration Combustion - Pasteurization process. • 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 DCI Refrigeration & Electrical Limited has extensive experience and knowledge of all types of air conditioning systems, from single and multiple split systems to ducted air handlers and VRF/VRV installations. See our User Agreement and Privacy Policy. The Venetian Cluster for Air Conditioning and Industrial Refrigeration - Adc project meeting unaway hotel bologna, italy, BBSE3004: Air Conditioning and Refrigeration hku.hk/bse/bbse3004/ - Bbse3004: air conditioning and refrigeration, Standards & Labeling programme and Building Standards for Refrigeration and Air-conditioning - . Uses of Systems. Refrigeration and Air Conditioning Pdf Notes – RAC Pdf Notes file to download are listed below please check it – Link: Complete Notes. Central Air-Conditioning System The central air conditioning plants or the systems are used when large buildings, hotels, theaters, airports, shopping malls etc. Principles Of Refrigeration . liquid line. ACTIVE LEARNING PROCESS - . Refrigeration and air-conditioning is the subject which deals with the techniques to control the environments of the living and non-living subjects and thus provide them comforts to enable them to perform better and have longer lives. Recent developments in refrigerants for air refrigerants for air. dishant panchal, Webinar 19th M arch 2013 - . Technical Options Committee. Date: February 2019 . No copyright involved . basic refrigeration. refrigeration and air conditioning Powerpoint Presentation . This presentation gives information about Air conditioning System. 3 Introduction How does it work? If you have any doubts please refer to the JNTU Syllabus Book. August 28, 2018 All Engineering Books, Refrigeration Air Conditioning HVAC Plumbing Leave a comment 11,168 Views. Technical Committees – the Brains of ASHRAE. Maryland board of heating, ventilation, air conditioning and. The refrigeration or air conditioning system (R) transfers heat from a cooler low-energy reservoir to a warmer high-energy reservoir ; There are several heat transfer loops in a refrigeration system as shown in Figure 2. Uses of Systems. However, the material covered and the method of presentation are such that … txv system. 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