There could be single effect evaporator or multiple effect evaporators. There are three main features to consider when designing an evaporator. Kestner evaporator pdf heat transfer in refrigerator condensers and evaporators d. Feed is introduced at the top of the evaporator and is spread by wiper blades on to the vertical cylindrical surface inside the unit.
Farnham submittedtothedepartmentofmechanicalengineering onmay18,2014. Thermal unit a btu is the quantity of heat required to raise the temperature, of one pound of. Horizontal tube evaporators the horizontal tube evaporator figure 2 is the oldest type of chemical evaporator, although other improved types are now more commonly used. Falling film evaporation on a tube bundle with plain and. Perform thermal design calculations on refrigerant evaporators using various heat transfer correlations presented in the lecture.
In heating mode b, vapor from the evaporator is transferred to the adsorptive bed. Setup instructions for leader 2x6 evaporator 2016 page. The horizontal tube evaporator is the only type of chemical evaporator in which the heating medium is inside the tubes. Theory of operation a maple syrup evaporator works under the principal of a gradient. Pdf on mar 12, 2016, widitha samarakoon and others published detailed design of a single effect evaporator with thermal vapor re. A tripleeffect forcedcirculation evaporator is to concentrate a 10 per cent. Chilled water plant design guide december 2009 energydesignresources. Included among these are a number of plate type evaporators figure 7. Evaporator types falling film evaporators design vertical shellandtube heat exchanger, with laterally or concentrically arranged centrifugal separator. Hermes center for applied thermodynamics, department of mechanical engineering, federal university of parana p. Automotive air conditioning training manual 5 how does heat get inside a vehicle. Thermodynamic design of condensers and evaporators. Detailed design of a single effect evaporator with thermal vapor re compression thesis pdf available march 2016 with 4,990 reads how we measure reads.
The wiped or agitated thin film evaporator has limited applications due to the high cost and is confined mainly to the concentration of very viscous materials and the stripping of solvents down to very low levels. Heat is a form of energy and is measured british in btus. Plate evaporators initially were developed and introduced by apv in 1957 to provide an alternative to the tubular systems that had been in use for half a century. Download fulltext pdf detailed design of a single effect evaporator with thermal vapor re compression thesis pdf available march 2016 with 4,990 reads. Pdf detailed design of a single effect evaporator with.
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