This Experiment Marcet Boiler Engineering Essay

This prove Marcet Boiler Engineering EssayIn This examine a Marcet timpani was used to conduct the relationship between a saturated military press and temperature of weewee supply in the range of 0-14 bar indicating in the gauge and likewise to determine the temperature of a body when being heated or cooled. When the temperature increases wardrobe also increases in this slip the relationship between push and temperature is direct proportional. Assumption was made that the temperature is uniform through come on the go kettledrum and the outside heighten temperature of the boiler is the same as the steam temperature. Theoretic totallyy, the values from the steam knock back should almost be the same with the recorded values. In this causal agency, if the values ar not the same then this is due to error that was made in the experiment.The experiment was performed carefully and all procedure was followed to get accurate result. premier(prenominal) of all the startup pr ocedure is to fill water in Marcet boiler and the water level is half of the boilers height. Then the supply switch was off on. It is important to remove the line of credit in the boiler in this case the valve would be open from the start up of the experiment When the temperature increases to 100C, the steam is allowed to come out from the valve for few seconds and close the valve. Record the steam temperature and pressure reaches 14 bars.IntroductionThermodynamics is the study of heat and in relation in other form of work and energy between a placement and its surrounding in this case the property in the system allow for change.Generally ideal gas obeys the equation of state which is showed below.PV=When energy is change magnitude in the water .the molecules in the water that is increasing will alter the molecules to escape from the surface until it is in equilibrium (boiling point). The state of equilibrium depends on the pressure in the surface of the water. When the pressur e is low it is easier for the molecules to leave the water with less energy.The Marcet boiler is used to analyse the relationship pressure and temperature in saturated steam for comparison with the steam table .the experiment incline (dT/dp) is obtained water at saturated temperatureTheoryThe Marcet boiler is used to investigate the between pressure and temperature of saturated steam, in equilibrium with water, at all pressures between atmospheric and a 14bar An ideal gas can be characterized by three state variables dogmatic pressure (P), garishness (V), and absolute temperature (T). The relationship between them may be deduced from kinetic system and is called the rarified Gas law. The ideal gas law was originally determined empirically and is simply.and hf + hfg = hg hfas vg vfIn which, vf = specific volume of saturated liquidvg = specific volume of saturated evaporationhf = enthalpy of saturated liquidhg = enthalpy of saturated vaporhfg = latent heat of vaporizationEqu ipmentProcedureFill up water half the height of the boilerEnsure the valve is openedConnect the boiler to the electrical switchThe boiler is heated up to 100c and the steam will come out of the open valveClose the valve by and by 1 minutes to ensure that the air in the boiler is out and continues heatingWhen the pressure start rising , start the stop take afterRecord all the temperature readings at different pressure with time crush must not exceed 14 barDiscussionThe theory can be compared with the experiment where pressure and temperature are directly proportional to each otherWhen a water is heated in a container to a boiling point the tempreture increases and presussre also increase in the case where the steam is closed in a cylinder, Their will be cozy pressure in the container and also internal forces. it is shown in the graph that tempreture is relatively proportional to pressureIn the table error was zero because the change magnitude tempreture of the boiler was not not ed down therefore erro is unknown . assumptive the decreasing tempreture is submited the the error percentage would now exceed 10% because the experiment was done in a closed system so no amount of volume will escapeIt was important to remove the air from the boiler to avoid flaws of readings .Marcet boiler is used in plant steam industries, power plant, cooking utensil and so onConclusionin the experiment, it shows from the table and theory that temperature and pressure is relatively proportional in correspondence with waterDisgracing some negligible faults, this experiment can be consider successful, to improve the result of the experiment, it should be carried out at room temperature slip off all the air-conditions, and also by repeating the experiment and victorious the average value. If some insulation were kept on theMarcet boiler to curve heat loss, the experiment could be more accurate