Coupled heat and mass transfer in an application-scale cross-flow hollow fiber membrane module for air humidification

2018

Abstract. The article discusses the theory associated with the determination of total heat and mass transfer coefficients in a membrane module. The equations for determining Nusselt and Sherwood numbers on the shell side of the module are presented. The design of the membrane module and the test bench are also discussed. The convective coefficients of heat and mass transfer on the shell side have been determined on the basis of the measurements. Calculation results obtained from correlation equations were then compared with the results of experimental investigations of convective heat and mass transfer coefficients in the airwater system. The equation is indicated appropriate for use in the case analysed.

“…If SL = ST, dimensionless coefficient a for a staggered arrangement can be determined from the following equation [12]:…”

Section: Shell Side Heat and Mass Transfer Coefficientmentioning

confidence: 99%

Comparison heat and mass transfer coefficients in the shell side of the hollow fiber membrane module

2018

“…In the studies [18,19], where the membrane module was used, the above equation was proposed to determine the effectiveness of the sensible cooling.…”

Section: Effectivenessmentioning

confidence: 99%

“…They may also be used in heating, ventilation and air conditioning (HVAC) systems for various processes such as air treatment, for example: dehumidification or humidification or the evaporative cooling in question [12][13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Experimental study of air evaporative cooling process using microporous membranes

2017

“…Studies [9,10] define efficiencies in a similar manner. That being said, the temperature effectiveness is described as the sensible cooling effectiveness.…”

Section: Eko-dok 2017mentioning

confidence: 99%

An experimental study of the air humidification process using a membrane contactor

2017

Abstract. The article presents the results of the experimental examination of the effectiveness of air humidification using a membrane module. The construction of the membrane module and the measuring stand is also discussed. In order to assess the effectiveness of air humidification using the membrane module, the measurements of temperature and humidity at the membrane module's inlet and outlet, air flow rate, water flow rate and water temperature were taken. Based on the measurements, the effectiveness coefficients, E, have been determined. The power demand for the solution under study has also been discussed.