Section 9 – Building Applications. introducing …. Technical Options Committee. WINNER! basic refrigeration. Presentation Title: Electrochem Electrohydrodynamic Heat Transfer. rainer m. jakobs dmj consulting breuberg, Education at your fingertips - . Refrigeration & Air Conditioning. Refrigeration and air conditioning ppt 1. dishant panchal, Webinar 19th M arch 2013 - . Printed in Kenya, 2019 . • Presentation of the material in lectures, workshops and laboratory sessions so that students know how to approach complex engineering calculations required in industry. liquid line. PDF unavailable : 12: Vapour Compression Refrigeration Systems (Contd.) See our User Agreement and Privacy Policy. Principle of air conditioning In air conditioning system , the device or unit provides air conditioning is called air conditioner . Further, these small units cannot satisfactorily cool the large halls, auditoriums, receptions areas etc. Central Air-Conditioning System The central air conditioning plants or the systems are used when large buildings, hotels, theaters, airports, shopping malls etc. 2. Air Cycle Refrigeration Systems: PDF unavailable: 10: Vapour Compression Refrigeration Systems: PDF unavailable: 11: Vapour Compression Refrigeration Systems (Contd.) marco, South Africa’s No 1 in Refrigeration and air conditioning - . 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. Libraries, museums, computer centers and research laboratories 4. The window and split air conditioners are used for single rooms or small office spaces. Refrigeration, Heat Pumps and Air Conditioning - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. If you have any doubts please refer to the JNTU Syllabus Book. Industrial Boilers Philadelphia University Powerpoint Presentation . prepared by :. Date added: 02-17-2020 Hospitals, cinema halls and departmental stores 3. Refrigeration and air conditioning is used to cool products or a building environment. chapter 36. objectives. Applications of Refrigeration: Air-conditioning which was once considered as luxury has now become a necessity in our day to day life. south africa’s no. objectives. ), 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 - - - - - - - - - - - - - - - - - - - - - - - - - - -. Looks like you’ve clipped this slide to already. refrigeration and air conditioning Powerpoint Presentation . Pipe 11. 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. 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. 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 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. Composition: Roberto Peixoto and Fabio Polonara (RTOC co-chairs) Lambert Kuijpers . • To present a wealth of real-world engineering examples to give students a feel for how refrigeration and air conditioning is applied. Supply 5.Outside & room fans 7.Compressor 8. Basic operation of refrigeration and AC systems Principle components of refrigeration and AC systems Thermodynamic principles of refrigeration cycle Safety considerations. Presentation Summary : Section 8 – Air-Conditioning and Refrigeration System Components. • 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 . Refrigeration And Air Conditioning Ppt related files: 065e9cfab26f4c7f4d0c37f828795da9 Powered by TCPDF (www.tcpdf.org) 1 / 1 We offer a large collection of Air Conditioning Templates that promotes high quality designs with good content organization and product presentation. August 28, 2018 All Engineering Books, Refrigeration Air Conditioning HVAC Plumbing Leave a comment 11,168 Views. Training Session on Refrigeration & Air Conditioning. Under Guidance:-Miss Varsha P Patil. 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. 2 Refrigeration & Air Conditioning •Introduction •Type of refrigeration •Types Of Air Conditioner 3. Exhaust air 3. 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? Guangzhou Cryo Systems Refrigeration Equipment Co., Ltd. ANKIT SAXENA Asst. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Clipping is a handy way to collect important slides you want to go back to later. Get powerful tools for managing your contents. Refrigeration and air conditioning technology 7th edition pdf by WILLIAM C. WHITMAN. Prof. @ Dr. Akhilesh Das Gupta Institute of Technology and Management, New Delhi, No public clipboards found for this slide. Air conditioning basic refrigeration cycle. Date added: 08-18-2018. Berg’s Heating and Air Conditioning has been in business since 1974. are to be air conditioned completely. The technical regulation of the refrigeration market in Europe - . Identify important HVAC controls, including economizers. Dr. J J Magdum College Of To service air-conditioning systems, technicians must be familiar with the use of tools designed specifically for the mobile. Engineering Refrigeration & Air Conditioning - . Air-conditioning (HVAC) systems as they relate to energy code requirements. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Recent developments in refrigerants for air refrigerants for air. Several important energy code requirements will be reviewed, including what to look for in the field or on plans. Objectives. • 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. Create stunning presentation online in just 3 steps. This presentation gives information about Air conditioning System. 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