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All Journal Eksergi: Jurnal Teknik Energi
Mei H, Baktiyar
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Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering

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Evaluation Of Refrigerating Load And Air Flow Performance In Air Conditioning Unit at Hospital Z Aulia, Nur Fatowil; Hendrawati, Dwiana; Hanif, Muhammad; Mei H, Baktiyar; Hamim S, Ahmad; Sumarno, F. Gatot; Surindra, M. Denny
Eksergi Vol. 19 No. 01 (2023): JANUARY 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v19i01.4253

Abstract

This research was conducted to evaluate air conditioning systems in pharmaceutical warehouses against the ANSI/ASHRAE/ASHE ventilation standards 170 ”“ 2008 and SNI-03-6572-2001. The method used is to calculate the cooling load on the FCU (Fan Coil Unit) using the CLTD (Cooling Load Temperature Difference) method and calculate the External Static Pressure on the ducting system. The analysis is carried out by comparing the results of calculating the FCU requirements with the actual specifications that have been implemented. Furthermore, the measurement results of the existing room air condition are compared with the standards for pharmaceutical warehouse applications. The calculation results show that the pharmaceutical warehouse has a cooling load of 47,472.72 Btu/hr, and has an external static pressure of 123 Pa. While the selected FCU (Fan Coil Unit) has a capacity of 78,771 Btu/hr and a maximum external static pressure of 130 Pa with a rated airflow of 4000 m3/hr. After 9 years of use, it is known that the rated airflow has decreased by around 37% of the FCU capacity. Existing room air conditions obtained the extreme temperature and RH of 23.36 °C and 72%, respectively.
Co-Authors Aulia, Nur Fatowil Dwiana Hendrawati F. Gatot Sumarno, F. Gatot Hamim S, Ahmad Mochammad Denny Surindra Muhammad Hanif