TY - JOUR
T1 - Experimental study on utilization of heat pipe heat exchanger for improving efficiency of clean room air system in hospitals
AU - Hakim, Imansyah Ibnu
AU - Putra, Nandy
AU - Marda, Adam Prihananda
AU - Alvaro, Muhammad Alvin
AU - Winarta, Adi
N1 - Funding Information:
The author would like to thank Directorate of Research and Community Engagements Universitas Indonesia (DRPM UI) and Kemenristek Dikti for funding this research through the PITTA 2018 scheme with contract number 2452/UN2.R3.1/HKP.5.00/2018 and PPUPT scheme respectively and also Mr. Iwan Chandra, CEO of PT. Aicool Indonesia for manufacturing the HPHE module.
Publisher Copyright:
© The Authors, published by EDP Sciences, 2018.
PY - 2018/11/26
Y1 - 2018/11/26
N2 - Heating, Ventilation, and Air Conditioning (HVAC) system in hospital's clean room is required to continue working for 24 hours to provide the ideal air quality for the activities therein. This causes a huge amount of energy consumption in hospital buildings itself. This study aims to determine the effectiveness and heat recovery of Heat Pipe Heat Exchanger (HPHE). The HPHE used in this study consisted of 12 heat pipes per module, in which the line was arranged staggered. The number of the module is varied 3 times, which are 1, 2, and 3 modules. The heat pipe is made of copper and contains working fluid in the form of water with 50% filling ratio. HPHE equipped with fins to expand the contact surface with airflow. Each variation of the number of modules is tested on the HVAC system model of the clean room. In the evaporator inlet, air flowing to the variation of temperature: 28, 30, 35, and 40°C, and at speeds of 1.5, 2.0, 2.5 m/s. The use of HPHE can recover heat as much as 1654.72 kJ/h. The highest effectiveness of this HPHE is 48.729%, was obtained when using three modules, air temperature inlet evaporator (Te,i) = 35°C, and airspeed of inlet 1.5 m/s.
AB - Heating, Ventilation, and Air Conditioning (HVAC) system in hospital's clean room is required to continue working for 24 hours to provide the ideal air quality for the activities therein. This causes a huge amount of energy consumption in hospital buildings itself. This study aims to determine the effectiveness and heat recovery of Heat Pipe Heat Exchanger (HPHE). The HPHE used in this study consisted of 12 heat pipes per module, in which the line was arranged staggered. The number of the module is varied 3 times, which are 1, 2, and 3 modules. The heat pipe is made of copper and contains working fluid in the form of water with 50% filling ratio. HPHE equipped with fins to expand the contact surface with airflow. Each variation of the number of modules is tested on the HVAC system model of the clean room. In the evaporator inlet, air flowing to the variation of temperature: 28, 30, 35, and 40°C, and at speeds of 1.5, 2.0, 2.5 m/s. The use of HPHE can recover heat as much as 1654.72 kJ/h. The highest effectiveness of this HPHE is 48.729%, was obtained when using three modules, air temperature inlet evaporator (Te,i) = 35°C, and airspeed of inlet 1.5 m/s.
UR - http://www.scopus.com/inward/record.url?scp=85058694629&partnerID=8YFLogxK
U2 - 10.1051/e3sconf/20186702056
DO - 10.1051/e3sconf/20186702056
M3 - Conference article
AN - SCOPUS:85058694629
VL - 67
JO - E3S Web of Conferences
JF - E3S Web of Conferences
SN - 2555-0403
M1 - 02056
T2 - 3rd International Tropical Renewable Energy Conference "Sustainable Development of Tropical Renewable Energy", i-TREC 2018
Y2 - 6 September 2018 through 8 September 2018
ER -