Refrigerator ppt

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View by Category Toggle navigation. Products Sold on our sister site CrystalGraphics. Title: Refrigerators. Description: An air conditioner is a refrigerator that has your house as the cold chamber and Many heat pumps can be reversed in summer to function as air conditioners Tags: air compressor conditioners refrigerators. Latest Highest Rated. Whether your application is business, how-to, education, medicine, school, church, sales, marketing, online training or just for fun, PowerShow.

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Chapter 01 - Refrigeration Principles.ppt

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Check out PowerShow. There is truly something for everyone! Related More from user. Promoted Presentations. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. 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.Temperature ranges of refrigeration Refrigeration cycle Relate refrigeration to air conditioning Relationship between a refrigerants pressure and its temperature Newer refrigerants used in commercial refrigeration systems Relationship between the 4 basic components of a refrigeration system Copyright Thomson Delmar Learning.

Refrigeration Basics 101 - PowerPoint PPT Presentation

Refrigerant: 1. Temperatures drop as discharge gas cools 2. Condenses as heat is rejected 3. Sub-cools before entering the TEV. Temperatures rise as liquid vaporizes and absorbs heat in the evaporator 2.

refrigerator ppt

Then the vapor superheats after all refrigerant has evaporated. Why or why not? Are the low side pressures and temperatures of the two systems different? Metering device Lowers the refrigerant temperature below the space temperature.

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Condenser Rejects heat from the refrigerant as vapor condenses Copyright Thomson Delmar Learning. Refrigeration System Baseball Diamond The 4 components can be illustrated in the shape of a baseball diamond Half the system is high pressure Half the system is low pressure.

Learn more about Scribd Membership Home. Read Free For 30 Days. Much more than documents. Discover everything Scribd has to offer, including books and audiobooks from major publishers. Start Free Trial Cancel anytime. Chapter 01 - Refrigeration Principles. Uploaded by LaminTun. Document Information click to expand document information Date uploaded Dec 17, Refrigeration Refrigeration may be defined as the process of achieving and maintaining a temperature below that of the surroundings.

To cool some product or space to the required temperature. Natural Refrigeration Use of ice or evaporative cooling. In earlier times, ice was either: Transported from colder regions. Harvested in winter and stored in ice houses for summer use.

Made during night by cooling of water by radiation to stratosphere. Natural Refrigeration In olden days refrigeration was achieved by natural means such as the use of ice or evaporative cooling. In earlier times, ice was either: 1. Transported from colder regions. Harvested in winter and stored in ice houses for summer use or.

Some interesting facts about refrigeration In India Tudors ice was cheaper than the locally manufactured ice by nocturnal cooling. Ice was either transported from colder regions or was harvested in winter and stored in icehouses for use in summer. The ice trade reached its peak in when America alone exported tonnes of ice to various countries as far as China and Australia. Some interesting facts about refrigeration In Europe, America and Iran icehouses were built to store ice.

Materials like cork, sawdust or wood shavings as insulating materials in icehouses. Ice only for rich people. In India, the Mogul emperors were very fond of ice during the harsh summer in Delhi and Agra, ice used was made by nocturnal cooling.

InFrederic Tudor ice king brought it from Hudson River and ponds of Massachusetts - exported it to various countries including India. Art of Ice making by Nocturnal or night sky Cooling Ice was made by keeping a thin layer of water in a shallow earthen tray and then exposing the tray to the night sky. Compacted hay of about 0. The water looses heat by radiation to the stratosphere, which is at around C to -3 C and by early morning hours the water in the trays freezes to ice.

Evaporative Cooling Process of reducing the temperature of a system by evaporation of water : Used in India for centuries to obtain cold water in summer by storing the water in earthen pots. By placing wet straw mats on the windows is also very common in India. Straw mat khus adds its inherent perfume also to the air.

Desert coolers are used in hot and dry areas to provide cooling in summer. Cooling by Salt Solutions Common salt, when added to water dissolve in water and absorb its heat of solution from water endothermic process.

Has limited application, as the dissolved salt has to be recovered from its solution by heating. Artificial Refrigeration Refrigeration as it is known these days is produced by artificial means. When the Scottish professor William Cullen made the first refrigerating machine inwhich could produce a small quantity of ice in the laboratory.Forgot Password?

KitchenAid will be using the following information we gathered from the external platform you selected to create your account. Purposeful innovations create family-focused home refrigeration appliances. Adjust the infinity slide shelf to put small snacks on the side and large items in the center. Shop This Feature. Free up shelf space and have more flexibility to store cans or bottles.

Move these bins anywhere in the door for increased loading flexibility. Learn how the icemaker features available in our refrigerator options fit your lifestyle. Forget about refilling ice trays by adding this optional icemaker.

Keep every shelf cold with multi-vent TotalCoverage cooling. Refrigeration revolutionized food storage when it was first introduced to home kitchens. Select refrigerators feature a pantry-inspired layout that lets you store more and stay organized. We also offer a collection of fridges, beverage centers and other refrigeration appliances that come in a range of sizes, styles and colors that fit your home and lifestyle.

Also, be sure to check out our complete selection of kitchen appliances for ranges, dishwashers and more. Among leading counter depth French door brands. Compared to model WRF without secondary icemaker. Total Price:. Continue Shopping. Session Timed Out Your session has expired. Kitchen Appliances. Appliance IQ.After you enable Flash, refresh this page and the presentation should play.

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refrigerator ppt

To view this presentation, you'll need to allow Flash. Click to allow Flash After you enable Flash, refresh this page and the presentation should play. View by Category Toggle navigation. Products Sold on our sister site CrystalGraphics.

Title: Refrigeration Basics Description: Refrigeration Basics By: Eric Nelson Basics Refrigeration is the removal of heat from a material or space, so that it s temperature is lower than that of it s Tags: basics refrigeration. Latest Highest Rated. Title: Refrigeration Basics 1 Refrigeration Basics By Eric Nelson 2 Basics Refrigeration is the removal of heat from a material or space, so that its temperature is lower than that of its surroundings.

When refrigerant absorbs the unwanted heat, this raises the refrigerants temperature Saturation Temperature so that it changes from a liquid to a gas it evaporates. The system then uses condensation to release the heat and change the refrigerant back into a liquid.

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This is called Latent Heat. This cycle is based on the physical principle, that a liquid extracts heat from the surrounding area as it expands boils into a gas. To accomplish this, the refrigerant is pumped through a closed looped pipe system.

The closed looped pipe system stops the refrigerant from becoming contaminated and controls its stream. The refrigerant will be both a vapor and a liquid in the loop. A change of state transfers a large amount of energy. At saturation temperature, materials are sensitive to additions or removal of heat. Water is an example of how saturation property of a material, can transfer a large amount of heat.

Refrigerants use the same principles as ice. For any given pressure, refrigerants have a saturation temperature. If the pressure is low, the saturation temperature is low. If pressure is high, saturation temperature is high. Heat is a form of energy that is transferred from one object to another object. Heat Is a form of energy transferred by a difference in temperature. Heat transfer can occur, when there is a temperature difference between two or more objects.

Heat will only flow from a warm object to a colder object. The heat transfer is greatest, when there is a large temperature difference between two objects. The evaporator or low pressure, in the "low side" and the condenser, or high pressure, in the "high side".

These pressure areas are divided by the other two components.

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On one end, is the metering device which controls the refrigerant flow, and on the other end, is the compressor.Temperature ranges of refrigeration Refrigeration cycle Relate refrigeration to air conditioning Relationship between a refrigerants pressure and its temperature Newer refrigerants used in commercial refrigeration systems Relationship between the 4 basic components of a refrigeration system Copyright Thomson Delmar Learning.

Refrigerant: 1. Temperatures drop as discharge gas cools 2. Condenses as heat is rejected 3. Sub-cools before entering the TEV. Temperatures rise as liquid vaporizes and absorbs heat in the evaporator 2. Then the vapor superheats after all refrigerant has evaporated. Why or why not? Are the low side pressures and temperatures of the two systems different? Metering device Lowers the refrigerant temperature below the space temperature.

Condenser Rejects heat from the refrigerant as vapor condenses Copyright Thomson Delmar Learning. Refrigeration System Baseball Diamond The 4 components can be illustrated in the shape of a baseball diamond Half the system is high pressure Half the system is low pressure. Learn more about Scribd Membership Home. Read Free For 30 Days. Much more than documents.

refrigerator ppt

Discover everything Scribd has to offer, including books and audiobooks from major publishers. Start Free Trial Cancel anytime. Chapter 01 - Refrigeration Principles. Uploaded by LaminTun. Document Information click to expand document information Date uploaded Dec 17, Did you find this document useful?

Is this content inappropriate? Report this Document. Flag for inappropriate content. Download Now. Related titles. Carousel Previous Carousel Next. Performance Simulation of a Two-evaporator Refrigerator-freezer.

Jump to Page. Search inside document. Sub-cools before entering the TEV Low pressure stays the same, but. Metering device Lowers the refrigerant temperature below the space temperature 2.After you enable Flash, refresh this page and the presentation should play.

Get the plugin now. Toggle navigation. Help Preferences Sign up Log in. To view this presentation, you'll need to allow Flash. Click to allow Flash After you enable Flash, refresh this page and the presentation should play. View by Category Toggle navigation. Products Sold on our sister site CrystalGraphics.

Title: Refrigerators. Tags: motor refrigerators starter. Latest Highest Rated. The refrigerant leaves the condenser as a high pressure, high temperature liquid. The thermostat is adjusted too high The unit contains excessive frost The unit is showing fluctuations in temperature. Whether your application is business, how-to, education, medicine, school, church, sales, marketing, online training or just for fun, PowerShow. And, best of all, most of its cool features are free and easy to use.

You can use PowerShow. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free. 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. That's all free as well! For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings.

But aside from that it's free.

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We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow. You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.

Check out PowerShow. There is truly something for everyone!

refrigerator ppt

Related More from user. Promoted Presentations. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from.

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They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. 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.

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