3 6.4 6.5 7 7.1 7.2 8 8.1 8.2 Scope Normative and informative references Normative references Informative references Terms‚ definitions and abbreviations Terms and definitions Abbreviations Design pressure and temperature General Design pressure Design temperature Safety instrumented secondary pressure protection systems General Testing Line sizing criteria General Sizing of liquid lines Sizing of gas lines Sizing of gas/liquid two-/multiphase lines Sizing of flare and vent lines Detailed requirements
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CENTRIFUGAL PUMP DEMONSTRATION UNIT (CH3132 - Energy Efficiency and Conservation) INSTRUCTED BY : Mr. M.A. THARANGA NAME INDEX NO GROUP DATE OF PER DATE OF SUB : T.R.MUHANDIRAMGE : 090334 H :E : 2012-03-30 : 2012-04-24 RESULTS AND DISCUSSION Exercise 1 :-Understanding the basic characteristic curves of a centrifugal pump. 1. Total head against the flow rate At 70% At 50% 2. Mechanical power changes with the flow rate At 70% At 50% 3. Pump efficiency against the flow rate
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ABSTRACT This experiment was carried out to determine the relationship between the pressure and the temperature of saturated steam in equilibrium. Besides that this experiment was also done to demonstrate the vapor pressure curve. The marcet Boiler was used for this experiment. When the pressure increases‚ the temperature also increases. Therefore‚ the relationship of pressure and temperature is directly proportional. The derived formulae and the data were used to calculate the slope. The dT/dP
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shape nor a fixed volume. Gases exert pressure‚ are compressible‚ have low densities and diffuse rapidly when mixed with other gases. On a microscopic level‚ the molecules (or atoms) in a gas are separated by large distances and are in constant‚ random motion. When dealing with gases‚ the Ideal Gas Law equation is the most famous equation used to relate all the factors in dealing and solving the problem. The four factors or variables for gas are: pressure (P)‚ volume (V)‚ number of mole of gas
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formulas relating the stresses in the walls of the cylinder and the gage pressure p in the fluid they contain. In the case of a cylindrical vessel of inside radius r and thickness t‚ we obtained the following expression for the hoop stress H and the longitudinal stress L. Mohr’s circle provides an alternative method‚ based on simple geometric considerations‚ for the analysis of the transformation of plane stress. Thin-walled pressure vessels provide an important application
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that occupies space and has weight. Matter – A substance that occupies space and has a mass. Latent Heat – Is heat energy absorbed or rejected when a substance is changing state and there is no change in temp. Power – Is the rate of doing work. Pressure - Force per unit of area. Sensible Heat – Heat that causes a change in temperature. Specific Heat – The amount of heat required to raise the temperature of 1lb of a substance 1 degree F. Specific Gravity – The weight of a substance compared to
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the Boyle’s law (pressure-volume law) indicates that the volume of a certain amount of gas given held at a constant temperature differentiates inversely with the applied pressure when there are constant temperature and mass. Equations: PV=C. When pressure goes up‚ volume goes down (derived from the equation above): P1V1 = P2V2 = P3V3. Furthermore‚ this particular equation dictates that the product of the initial volume and pressure is equal to the product of the volume and pressure after a change under
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transmission of fluid-pressure is a principle in fluid mechanics that states that pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure ratio (initial difference) remains the same.[1] The law was established by French mathematician Blaise Pascal.[2] Contents [hide] 1 Definition 2 Explanation 3 Applications 4 See also 5 References Definition[edit source | editbeta] Pressure in water and air. Pascal’s
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`A 20cm diameter pipe of length 100m with z = 60m with f = 0.02 and loss of head due to entrance coefficient k = 0.5. What is the flow rate? Solution: Find the width in m of the channel at the back of a suppressed weir using the following data: H = 28.5cm; d = 2.485m; Q = 0.84 cu.m/sec. Consider the velocity of approach and use the Francis formula. Solution: Water flows in a 2m. wide rectangular flume at the rate of 2.75 cu.m./sec
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the volume of the thoracic cavity‚ and the intercostal muscles contract‚ which makes the rib cage move upward and forward increasing the volume of the lungs. The increase in pressure inside the lungs makes the air from the atmosphere move into the lungs because air always moves from an area of high pressure to a low pressure area. During expiration‚ the intercostal muscles that lift the rib cage and the diaphragm relax. As a result‚ the rib cage and the diaphragm return to their original positions
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