| Title |
The Effect of Air Chamber Placed in Water Supply Piping System |
| Keywords |
Water hammer ; 수격작용 ; Air chamber ; 에어 챔버 ; Valve closure and opening ; 밸브개폐 ; Pressure history ; 압력변동 ; Maximum and minimum pressure ; 최대 및 최저 압력 |
| Abstract |
The present study is to investigate the pressure wave characteristics and the absorption of the maximum and minimum pressure generated by instantaneous valve closure and opening at the end of the straightening copper piping system with and without an air chamber. Also, life of air chamber is investigated. Experiments were conducted under the following conditions: initial pressure of 1～5bar, flow velocity of 0.5～3.0m/s, water temperature of 20℃ and air chamber volume of 45.1～449.5cm3. The results of the study can be used in sizing air chamber and selecting the water hammer absorbtion apparatus. |