the National Natural Science Foundation of China(Grant Nos.91952105,11802133 and 12002318);the Six Talent Peaks Project in Jiangsu Province(Grant No.2019-SZCY-005);the Fundamental Research Funds for Central University(Grant No.30918011325).
Direct numerical simulation was carried out to investigate the correlation between the momentum and passive scalar transfer in a turbulent channel flow with Re_(τ)=u_(τ)δ/ν=180 and Pr=0.71,where u_(τ)is the frict...