in this report is heat transfer in a concentric tube heat exchanger. A heat exchanger is a device used to transfer heat from a hot fluid to a colder fluid. Heat exchangers are widely used in the petroleum industry for various reasons. Some of the most important reasons are theta heat exchangers increase the process efficiency‚ conserve energy‚ reduce maintenance and provide employee safety among many other reasons. The main objectives of the lab study were to determine the heat transfer rate‚ the
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Problems for heat integration 1. The stream data extracted from a specified section of a chemical process are given in Table 1 below. Table 1: Stream Data Stream Supply Temperature TS (oC) Target Temperature TT (oC) Heat Duty (MW) No Type H1 H2 H3 C1 C2 Hot Hot Hot Cold Cold 150 40 130 150 50 30 40 100 150 140 7.2 10 3 10 3.6 You are required to perform a heat recovery analysis for the plant section stated above. Given the Tmin for the
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disabilities are prone to abuse‚ discrimination and exploitation; thus making them vulnerable. Abuse is defined as anything that is harmful‚ injurious‚ or offensive. It is a pattern of behaviour in which physical violence and/or emotional coercion is used to gain or maintain power or control in a relationship. Abuse also includes
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“Discuss the methods used in the Women’s Suffrage Movement” The Suffragette’s were a group involved in the Women’s Suffrage Movement of the 19th and 20th century. The struggle for equality for women in Great Britain started long before the turn of the 20th Century. Not all suffragettes agreed with militancy. The movement split into two major factions: The National Union of Women’s Suffrage Society (NUWSS) led by Millicent Fawcett and The Women’s Social and Political Union (WSPU) led by Emmaline
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corporate intranet to help departments communicate effectively. The schedule for different departments to ‘go live’ on the intranet is set‚ and we have to purchase the appropriate servers‚ minimizing cost and making sure that the intranet has enough capacity to handle the employees that start using the intranet each month. I picked this case because it resembles the types of problems that I faced during my summer internship at The CocaCola Company. One of my responsibilities was to assist in the cost
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houses in the world that is deeply rooted in modern Arabian opulence‚ uses some types of promotional methods to promote for their perfumes. These types are: 1- Gift with purchase: The “gift with purchase” is a very common promotional technique. It is also known as a “premium promotion” in that the customer gets something in addition to the main purchase. This type of promotion is widely used for luxury perfumes. 2- Magazines ads : The company promote for the newest product in the local
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1. Describe a range of appropriate investigative methods that can be used to explore diversity in a community. Investigation methods that are often used to explore diverse communities are‚ Survey‚ Using a questionnaire is a good way of collecting information from large numbers of participants. You would use this method of investigation gathering when it is not possible to get numbers or the relevant information from text books or internet. Pros‚ • Surveys are cheap to do • Surveys are
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directions freely within a container bumping against the walls of the container and against other particles. Gases take the shape of their containers just like liquids do‚ and how they move or vibrate. but they can escape very easily. When you add heat to a solid‚ will it expand or contract? It will expand. When any matter is heated it will expand and when it is cooled it will contract‚ with very few exceptions. They expand because the particles vibrate faster when heated. The number of particles
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Chemistry – Heats of combustion. To determine the heats of combustion of selected alkanols and to use this information to determine the heat of combustion for a longer chain alkanols. Formula ΔH=-mCΔT Heat of combustion ΔH/n = molar heat of combustion. Materials -100 degrees thermometer -glass stirring rod -aluminium beaker -electronic balance -bosshead and clamp -retort stand Method 1) Set up the apparatus as shown above. 2) Measure the weight of aluminium can 3) Use the
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Separation of a Mixture: Unknown # 12-Green Chemistry 221 with Professor Thomas Quale May 2012 Formal Lab Report Abstract An unknown sample‚ # 12-Green‚ was separated into its individual variable components‚ iron‚ ammonium chloride‚ silicon dioxide‚ and sodium chloride. The techniques used to separate the components of unknown # 12-Green‚ magnetism‚ sublimation‚ extraction‚ and filtration‚ were chosen based on the unique properties of each component. Using these separation techniques‚ each substance
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