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Investigations on the Droplet Entrainment in a Forced Circulation Flash Evaporator
This contribution presents results from entrainment measurements in a forced circulation flash evaporator which was designed to systematically investigate the droplet entrainment under real evaporating conditions. Operating pressures in a range of 100 to 800 mbar(a) and temperature differences between 5 and 55 K were conducted. Gas load factors up to fG = 4.0 Pa0.5 were achieved with glycerol‐water and water as evaporating liquids. A conductivity measurement was used to determine the absolute entrained liquid and entrainment ratios. The results show an exponential behavior between entrainment, gas load factor, and heat flux due to superimposing effects. Investigation on the pressure drop across the orifice plate showed no influence for operation at gas load factors of fG < 2.5 Pa0.5.
Investigations on the Droplet Entrainment in a Forced Circulation Flash Evaporator
This contribution presents results from entrainment measurements in a forced circulation flash evaporator which was designed to systematically investigate the droplet entrainment under real evaporating conditions. Operating pressures in a range of 100 to 800 mbar(a) and temperature differences between 5 and 55 K were conducted. Gas load factors up to fG = 4.0 Pa0.5 were achieved with glycerol‐water and water as evaporating liquids. A conductivity measurement was used to determine the absolute entrained liquid and entrainment ratios. The results show an exponential behavior between entrainment, gas load factor, and heat flux due to superimposing effects. Investigation on the pressure drop across the orifice plate showed no influence for operation at gas load factors of fG < 2.5 Pa0.5.
Investigations on the Droplet Entrainment in a Forced Circulation Flash Evaporator
Jasch, Katharina (author) / Scholl, Stephan (author)
Chemie Ingenieur Technik ; 93 ; 1088-1099
2021-07-01
12 pages
Article (Journal)
Electronic Resource
English
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