Experimental studies of heat transfer during steam condensation on a vertical multirow on-line bundle of slightly inclined coil tubes with and without noncondensable gas in the bundle

Tarasov, G. I.; Bol’shukhin, M. A.; Sinitsyn, A. N.; Vasyatkin, A. G.; Kustov, S. V.

doi:10.1134/s0040601512010120

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“…Due to a combination of frictional, momentum and gravitational effects, an excessive pressure drop may significantly affect the heat exchanger output. Tarasov carried out experimental studies of heat transfer during steam condensation on a bundle of slightly inclined tubes with and without non-condensable gases at different steam pressures [8]. Fan in his work conducted experimental study of pure steam and air-steam mixture condensation on vertical corrugated and smooth tubes, respectively [9].…”

Section: Introductionmentioning

confidence: 99%

Archives of Thermodynamics

Tokarski,

Ryfa,

Buliński

et al. 2020

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Combi-steamer condensation hoods are widely used in modern gastronomy. They condense steam produced by the combi-steamer and also filter solid particles, moisture, grease and smells. All these factors negatively affect the staff and dishes, so efficient work of the condensation hoods becomes important. A mathematical and experimental analysis of such a device is described in this paper. First a measurement methodology was designed and measurements of air humidity, temperature and mass flow rates were performed. The measurement procedure concerned dedicated a steam generator and combi-steamer. Next a mathematical model was developed. It was based on mass and energy balances of the condensation hood. The condensate flow rate turned out to be insufficient to fulfill the energy balance while measured directly. Hence, it was calculated from heater's power of the steam generator and the balance model was validated. The combisteamer had an unknown output, so the condensate flow rate was provided by the balance model after its validation. A preliminary diagnosis of the device was carried out as well.

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Section: Introductionmentioning

confidence: 99%