| 논문명 |
냉각탑의 어프로치 온도 감소를 위한 제어알고리즘 개발 / Development of Control Algorithm for Cooling Tower Low-Approach Temperature |
| 저자명 |
하주완(Ha, Ju-Wan) ; 김유진(Kim, Yu-Jin) ; 김환용(Kim, Hwan-Yong) ; 송영학(Song, Young-Hak) |
| 수록사항 |
한국건축친환경설비학회 논문집, Vol.15 No.5 (2021-10) |
| 주제어 |
냉각탑 제어; 어프로치온도; 저온 냉각수; 냉각탑 출구온도; 알고리즘 ; Cooling tower control; Approach temperature; Low-condenser water temperature; Cooling tower leaving water temperature; Algorithm |
| 요약2 |
The chiller efficiency is an important factor for improving the efficiency of the central chilled water system. A low-condenser water temperature is required for the low cooling tower leaving water temperature, which affects the chiller efficiency. Various studies have been conducted to produce low-condenser water temperature, but an additional review is needed on a method to lower the approach temperature. This study developed a control algorithm for cooling tower low-approach temperature. The approach temperature changes within the same load, ambient conditions according to the liquid-to-gas ratio (LGR), which is the operating condition of the cooling tower system. It found that the lower the LGR, the lower the approach temperature could be secured. As the approach temperature is lowered, it is expected that the efficiency of the chiller and cooling water pump will be improved. |
