충돌 이중제트에서 노즐 설치각이 유동과 열전달에 미치는 영향

The flow and heat transfer characteristics of impinging dual jets were investigated along the impinging plate experimentally. To measure the temperature on the plate surface, thermochronic liquid crystal was used. The experiments were conducted varying Reynolds numbers, based on the nozzle exit velocity and nozzle width, from 2,000 to I 1,600. The target plate is located at three different regions, which regions are converging region, merging region, and combined region. The merging points were placed at different position for the different angle of the two jets. But the effects of the variation of the angle on the heat transfer were negligible.