Effect of wavelength of sinusoidal wavy wall surface on drag and heat transfer at turbulent thermal boundary layer flow

Authors: Hiroya MAMORI, Masanari FUJIMURA, Shotaro UDAGAWA, Kaoru IWAMOTO, Akira MURATA, Yasuo KAWAGUCHI, Hirotomo ANDO, Hideki KAWASHIMA, Hirohisa MIENO

Source: Journal of Thermal Science and Technology, Vol 13, Iss 2, Pp JTST0023-JTST0023 (2018)

Subject Terms: direct numerical simulation, turbulent boundary layer flow, heat transfer enhancement, wavy wall surface, wavelength, Mechanical engineering and machinery, TJ1-1570, Mechanics of engineering. Applied mechanics, TA349-359

File Description: electronic resource

Relation: https://www.jstage.jst.go.jp/article/jtst/13/2/13_2018jtst0023/_pdf/-char/en; https://doaj.org/toc/1880-5566

Access URL: https://doaj.org/article/80d085a2e780445cacc870fe1549b1c7

Influence of length of polymer aggregation on turbulent friction drag reduction effect

Authors: Masanari FUJIMURA, Kaoru IWAMOTO, Akira MURATA, Mitsutoshi MASUDA, Hirotomo ANDO, Hiroya MAMORI

Source: Journal of Fluid Science and Technology, Vol 12, Iss 2, Pp JFST0013-JFST0013 (2017)

Subject Terms: drag reduction, turbulent channel flow, viscoelastic fluid, discrete element model, polymer aggregation, Science (General), Q1-390, Technology

File Description: electronic resource

Relation: https://www.jstage.jst.go.jp/article/jfst/12/2/12_2017jfst0013/_pdf/-char/en; https://doaj.org/toc/1880-5558

Access URL: https://doaj.org/article/6011558cfdd34e449a9e46d1c696f0c6