In the present communication, simple models have been presented to evaluate the performance of rotary desiccant wheels based on different kind of solid desiccants e.g. silica gel and LiC1. The first part of the paper presents 'Model 54' which is developed for silica gel desiccant rotor. The model has been derived from the interpolation of experimental data obtained from the industry and the correlations have been developed for predicting outlet temperature and absolute humidity. The 'Model 54' consists of 54 coefficients corresponding to each correlation for outlet absolute humidity and temperature and it is found that the model predicts very well the performance of silica gel desiccant rotor (Type-I). In the second part of the paper, a psychrometric model has been presented to obtain relatively simple correlations for outlet temperature and absolute humidity. The developed psychometric model is based on the correlations between the relative humidity and enthalpy of supply and regeneration air streams. The model is used to predict the performance of three type of desiccant rotors manufactured by using different kind of solid desiccants (Type I, II and III). The model is tested corresponding to a wide range of measurement data. The developed psychometric model is simple in nature and able to predict very well the performance of different kind of desiccant rotors. Copyright (C) 2002 John Wiley Sons, Ltd.

Beccali, M., Butera, F., Guanella, R., Adhikari RS (2003). Simplified models for the performance evaluation of desiccant wheel dehumidification. INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 27, 17-29 [10.1002/er.856].

Simplified models for the performance evaluation of desiccant wheel dehumidification

BECCALI, Marco;
2003-01-01

Abstract

In the present communication, simple models have been presented to evaluate the performance of rotary desiccant wheels based on different kind of solid desiccants e.g. silica gel and LiC1. The first part of the paper presents 'Model 54' which is developed for silica gel desiccant rotor. The model has been derived from the interpolation of experimental data obtained from the industry and the correlations have been developed for predicting outlet temperature and absolute humidity. The 'Model 54' consists of 54 coefficients corresponding to each correlation for outlet absolute humidity and temperature and it is found that the model predicts very well the performance of silica gel desiccant rotor (Type-I). In the second part of the paper, a psychrometric model has been presented to obtain relatively simple correlations for outlet temperature and absolute humidity. The developed psychometric model is based on the correlations between the relative humidity and enthalpy of supply and regeneration air streams. The model is used to predict the performance of three type of desiccant rotors manufactured by using different kind of solid desiccants (Type I, II and III). The model is tested corresponding to a wide range of measurement data. The developed psychometric model is simple in nature and able to predict very well the performance of different kind of desiccant rotors. Copyright (C) 2002 John Wiley Sons, Ltd.
Settore ING-IND/11 - Fisica Tecnica Ambientale
Beccali, M., Butera, F., Guanella, R., Adhikari RS (2003). Simplified models for the performance evaluation of desiccant wheel dehumidification. INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 27, 17-29 [10.1002/er.856].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/64307
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