Fundamentals of Refrigeration Evaporation The picture on fig.1 here shows an evaporator.We generally call it a kettle. Indicates the velocity of molecules of a substance. FURNACE. See our Privacy Policy and User Agreement for details. Or use it to upload your own PowerPoint slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Fundamentals of refrigeration thermodynamics by Daniel Micallef. Whether your application is business, how-to, education, medicine, school, church, sales, marketing, online training or just for fun, PowerShow.com is a great resource. - Separates the oil from the hot, compressed vapor. Many of them are also animated. The course is structured with the more basic and simple content presented first. The contents of this book are intended to interest those who are not engaged every day with refrigeration plant but who wish to extend their knowledge on the basic principles of … Introduction and Basic Concepts of Refrigeration and Air Conditioning: First, let's understand a few things. A/C UNIT. The air-cooled condenser in the cycle is hotter than the ambient air, so heat flows from the hot condenser to the cooler ambient air. Finding subcooled and superheat is beyond the scope of this discussion. Boasting an impressive range of designs, they will support your presentations with inspiring background photos or videos that support your themes, set the right mood, enhance your credibility and inspire your audiences. Spirilli - spiral-shaped bacteria. A). Refrigeration & Air Conditioning Basics Certificate Course. You can change your ad preferences anytime. Download Vapor Absorption Refrigeration System Presentation Transcript: 1.CONTENTS: Introduction Principle of Operation Working Fluid for Vapor Absorption Refrigeration System (VARS) Some Experimental Results for Different Fluid Various Designs of VARS Cost Analysis Conclusions 2.INTRODUCTION The basic aim of this presentation is to provide basic … For, Heat is a form of energy that is transferred from, Heat Is a form of energy transferred by a, The heat transfer is greatest, when there is a, The compressor is the heart of the system. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Just a short video explaining the basics of how most refrigeration systems operate.Please like, comment, and subscribe! Direct Expansion. The PowerPoint PPT presentation: "Refrigeration Basics 101" is the property of its rightful owner. No public clipboards found for this slide. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Refrigeration Basics is an introduction to the Refrigeration & Air Conditioning Trade and focuses on creating a solid foundation which can be built upon readily. This cycle is based on the physical principle, To accomplish this, the refrigerant is pumped, A change of state transfers a large amount of, Water is an example of how saturation property of, Refrigerants use the same principles as ice. MECHANICAL REFRIGERATION is defined as a mechanical system or apparatus so designed and … The cooler refrigerant in the evaporator tubes, The low pressure vapor is pulled into the, The amount of heat added to the liquid to make, One way to charge a system with refrigerant is by, Low pressure vapor refrigerant is compressed and, The high pressure refrigerant flows to the, The high pressure refrigerant then flows through, The TXV meters the correct amount of liquid, As the TXV meters the refrigerant, the high, The low pressure, dry vapor is then returned to, With a P/T chart, if you know a temperature or a, For an example using the chart at the right, at, R502 at 100 would be 218.6, R12 at 100 would be, If you just know a pressure, cross the pressure, A common method for checking or charging is by, Find the units design condenser temperature from, At 100f R22 equals 198.4 PSI, so you would, If the unit has a sight glass, check it for, Always charge refrigerant into the suction line, If you are charging a cap tube system, charging, Get the refrigerant saturation pressure-temperatur, (1) Convert pressure to temperature with a P/T, (2) Take a temperature reading at the leaving, Compare both, the saturated temperature and, Get a pressure reading of the suction line.

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