Engineering Report: Household Appliances Refrigerator

technology Report Household Appliances iceboxEngineering Report Household Appliances Refrigerator Introduction- RefrigeratorAfter a pertinacious day at sacrifice, you come home, open your icebox and take place a nice moth-eaten drink. Ever wonder why it is so nice and cold? In this report, I will be explaining how the refrigerator came about. The main reason for any refrigerator is to keep food/drinks cold as cold temperatures help keep food fresh for longer. principal(prenominal) idea of the refrigerator is to s busted set down bacteria activity in the food so it takes longer to spoil.Brief HistoryThe keep curl up was invented by Ibn Sina in the 11th Century. This was one of the essential advancements towards the groundbreaking refrigerator. The refrigerated coil was used to condense vapours. William Cullen went to the University of Glasgow and demonstrated the premier artificial refrigeration system in 1748. He never did use his discovery for practic able purposes though.1805, Oliver Evans designed the first refrigeration appliance that didnt use liquid to chill out and instead used vapour to cool.1834, Jacob Parkins built the first Refrigeration machine for practical use.1844, John Gorrie built a refrigerator in 1844 establish on the design of Oliver Evans. It was used to produce ice for cooling the standard atmosphere for the Yellow Fever patients at the time.The first practical use of the refrigerator for food was invented by James Harrison in 1857, In 1859, Ferdinand Carre used the equal idea only when do it more(prenominal) complex. He developed a system that use ammonia for cooling instead of condense vapours. During 1876, Carl von calcined lime invented the Liquefying gas surgery which revolutionised the technology in the refrigerator. General Electric released the first refrigeration systems. Freon then used and marketed them as a lower perniciousness alternative then the previous refrigerators in the early 1920s.The Refrige rator has changed majorly impacting the modern society and how food is being stored and kept fresh for longer periods of time. In the modern society, the refrigerator can be kept in umpteen important places such as kitchens as well as offices and pharmacies.How it whole kit and caboodleRefrigerators do something c anyed the Vapor compression cycle The canonical principle is to fit in cold liquid continuously close to the object that take to be cooled. This transit will take heat up out of the object.The refrigerator needs 5 crucial components, the fluid refrigerant, a compressor, the condenser coil, the evaporator coils and an expansion device.It all starts with the compressor. This controls the flow of the refrigerant, It raises its pressure and then pushes the refrigerant vapor into the coil on the out positioning of the refrigerator ( commonly the back).The hot gas will meet the usually cool temperatures of the kitchen which turns it into a medium heat liquid.The refrige rant now cools down as it flows into the coil in nerve the fridge and/or freezer.The refrigerant absorbs the heat given off from the objects inside. Ends up resulting cooling down the air when everything is cooled to the easy lay temperature.The refrigerant evaporates to a gas when exciting the refrigerator and back to the compressor.This process can be a nons hap process that can work up to 13 years nowadays.A diagram of how the refrigeration process incompatible Shapes and Types of RefrigeratorRefrigerators come in a variety of shapes and sizes, from basic to feature-rich models. Some famous designs are the followingTop Freezer RefrigeratorsA fridge that is designed to for a lot of storage in a fairly tight spot. It is a traditional fridge shape that is typically 80cm wide and can hold up to 622 litres of storage. This allows the wide swing of the doors and the low reach for the lower shelves and drawers.Bottom FreezerThese refrigerators/freezers typically honk around 92 cm wi de and has a capacity of 850 litres. The usable lieu is less than that compared of top-freezers but instead, your fridge shelves are easily scan-able. Only true downside of this is that you will nominate to dig down into your frozen goods.French doorThe French door refrigerator has two narrow doors at the top and a freezer below. Typically, around 90cm wide. Usable blank shell cannot be compared to the top-freezer models as the swing doors have the added value of a lot more shelves on the doors. Most of these have the added in-door water and ice dispensers.Side-by-sideThis style has one side fridge and freezer on the new(prenominal). Widths typically around 95 cm and holds roughly 850 litres in capacity. These narrow doors work well for small kitchens but they dont open wide enough for wide objects as each side is not that wide. But overall, not as energy or space efficient.Counter DepthThese have a lower profile than other fridges made for blending in with the build-in cupboa rds and selves for an all-in-one look. They may look nicer with the styles of the kitchen but they by and large offer less storage. These designs tend to be costlier than your standard refrigerators.Compact Fridges small versions of the traditional refrigerators and generally for dorm rooms or home offices. They usually have no freezing capacity,Freezer-less RefrigeratorsAs the name states, this does not have a freezing compartment. Usually used for cooling fresh foods. commodious option if you dont need to freeze a lot of foods or have a separate freezing department.Refrigerator DrawersThese refrigerators hide under(a) the countertop just like your washing machine. These can be pulled out and you to rag fresh foods and perishables. Often seen in luxury apartment and kitchens and are normally expensive. Howe ever these cannot hold frozen foods and are not energy efficient. wine-coloured and Cold drink coolersDesigned to keep wine and cold drinks cooled. These could range from y our small compartment fridge to your traditionally sized fridge to the full-sized fridge able to store hundreds of bottles. Modern designs are able to keep different wines at different set temperatures.Materials used/AnalysisThe doors of the refrigerator are typically made of Aluminium or steel sheets. Metal skin on the outside does not only give the door its strength and rigidity but also supports the weight of the food in the door pockets. disengagement between the inner and outer cabinets consists of fiberglass. Fiberglass is used due to its lightweight, passing strong and also a robust metal. Typically, far less toffy and less expensive. Components of the cooling system are typically made from aluminium, copper, or an alloy. Tubing is usually copper due to the metals ability to bend without breaking. Freon ashes one of the most commonly used refrigerant. Freon is a stable, non-flammable, moderately cyanogenetic gasses/liquid. Most interior features such as cabinet liners or doors are made from a vacuumed-formed plastic because of its price for the strength it provides.Conclusionnot many improvements for the refrigerator could be changed in this time. Research has shown the best properties for each section of the refrigerator at the best price. Modern day refrigerators compared to the ancient day ones are much more better designed and more powerful while energy efficient. The modern-day refrigerator has been tested safer, more energy efficient and stronger than it has ever been. Many materials were tested for best efficaciousness before designed and up for sale.BibliographyHow refrigerator is made material, making, used, parts, components, steps, machine. 2017. How refrigerator is made material, making, used, parts, components, steps, machine. ONLINE Available at http//www.madehow.com/Volume-1/Refrigerator.html. Accessed 20 March 2017.eBay. 2017. What Are all the Different Types of Refrigerators? eBay. ONLINE Available at http//www.ebay.com/gds/Wh at-Are-all-the-Different-Types-of-Refrigerators-/10000000177628294/g.html. Accessed 20 March 2017.Real Simple. 2017. How Does a Refrigerator Work? Real Simple. ONLINE Available at https//www.realsimple.com/food-recipes/tools-products/appliances/how-does-refrigerator-work. Accessed 20 March 2017.HowStuffWorks. 2017. The routine of Refrigeration How Refrigerators Work HowStuffWorks. ONLINE Available at http//home.howstuffworks.com/refrigerator1.htm. Accessed 20 March 2017.