Lee Yoon Pyo 안승환 이영 2024-01-13T23:30:46Z 2024-01-13T23:30:46Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/112607 English turbulent momentum concentric annuli roughness ratio square-ribbed surface eddy diffusivity Enhanced turbulent heat transfer induced by square-ribbed wall roughness in concentric annuli. Conference 2 Proceedgins of the second KSME-JSME fluids engineering conference, v.v. 2, pp.293 - 298 Proceedgins of the second KSME-JSME fluids engineering conference v. 2 293 298 KO