Analysis of annual energy demand for ventilation using a model based on hourly measured weather data

Ćutić, Tomislav and Baleta, Jakov and Padovan, Maksimilijan and Smoljan, Darko and Balen, Igor (2012) Analysis of annual energy demand for ventilation using a model based on hourly measured weather data. = Analysis of annual energy demand for ventilation using a model based on hourly measured weather data. In: 43. Međunarodni kongres o grejanju, hlađenju i klimatizaciji, 5-7.12.2012, Beograd, Srbija.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=609618

Abstract

This paper analyses energy needs for conditioning of ventilating air. Calculation model has been developed enabling an estimation of annual energy demand for heating, humidification and cooling (with dehumidification) based on hourly measured weather data (outdoor temperature and relative humidity) and constant setpoint for supply air temperature and water vapour content. Calculations were conducted for two different processes carried out by air handling units differing in the type of air humidification system installed: steam or water humidifier. Both analysed systems are designed to provide 100 000 m3/h of supply air at the temperature of 18°C and water vapour content of 8 g/kg throughout the year at the location Zagreb, Croatia. Heat recovery system is installed in both units enabling sensible heat recovery. Calculations were made with various recovered heat coefficients following a comparison of monthly and annual energy needs for every component of the two mentioned systems, i.e. heating coil, cooling coil and humidifier. Obtained results were qualitatively compared with the values provided in the DIN V 18599-3 Prestandard.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): annual energy demand, ventilation, hourly measured weather data
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 300 Department of Thermodynamics, Thermal and Process Engineering > 320 Chair of Thermal and Process Engineering
500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 25 Apr 2016 08:49
Last Modified: 30 Jan 2017 15:31
URI: http://repozitorij.fsb.hr/id/eprint/5782

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