Title |
Effect of Makeup Air Supplied to Kitchen Hood in Apartment on Ventilation Performance of Heat Recovery Unit |
DOI |
https://doi.org/10.6110/KJACR.2024.36.12.586 |
Keywords |
열교환 유닛; 주방후드; 급기기여율; 환기성능 Heat recovery unit; Kitchen hood; SVE4; Ventilation performance |
Abstract |
Apartments in the city center are built at high densities and on high rises. They are installed with heat recovery unit and kitchen hood. Heating system and conditioners are also being installed to create a comfortable thermal environment. If outdoor air quality or temperature is not kept according to design conditions, windows that make up the exterior wall cannot be opened, creating a closed space. A heat recovery unit has a return diffuser and a supply diffuser. However, a kitchen hood only has an exhaust port. Much research has been conducted on how to supply makeup air for the kitchen hood in a closed space. Methods of supplying makeup air include a method of installing a supply diffuser adjacent to the kitchen hood and a method of installing a supply diffuser on ceiling surface between the kitchen and the living room. This study evaluated effects of makeup air of low velocity supplied to kitchen hood through a supply slot located around the exhaust hood and a window on the exterior wall on ventilation performance of a heat recovery unit. Results confirmed that the condition of supplying makeup air through the window using SVE4 improved exhaust efficiency of the kitchen hood and ventilation performance of the heat recovery unit. |