スガ　カズヒコ   Kazuhiko Suga   須賀　一彦    所属   追手門学院大学  理工学部 機械工学科    職種   教授
言語種別	英語
発行・発表の年月	1998
形態種別	外国学会誌（First author）
査読	査読あり
標題	Algebraic scalar-flux modelling for turbulence with the aid of LES of turbulent heat transfer through a smear-free interface
執筆形態	共著・編著（代表編著を除く）
掲載誌名	HEAT TRANSFER 1998, VOL 4
掲載区分	国外
出版社・発行元	TAYLOR & FRANCIS LTD
巻・号・頁	pp.235-240
著者・共著者	K Suga,K Abe
概要	A new explicit algebraic gradient diffusion model for turbulent scalar (heat) flux in forced convection regimes is proposed. This model complies with the linearity and independence principles for passive scalar. For satisfying these, the model coefficients/functions do not include any turbulent scalar variable such as the temperature variance. The model thus does not require solving transport equations for turbulent quantities of the scalar field. The rationale of the model has been initially discussed with the LES data presently performed under various conditions including shear-free boundaries. The proposed model is applicable to a aide range of passive scalar fields by being coupled with the nonlinear k-epsilon-A three equation model (Suga, 1997) for dynamic fields.