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Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds
นักวิจัย : Cheng, Nian-Sheng , Qiao, Changkai , Chen, Xingwei , Liu, Xingnian
คำค้น : DRNTU::Engineering::Mechanical engineering::Fluid mechanics
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2557
อ้างอิง : Cheng, N.-S., Qiao, C., Chen, X., & Liu, X. (2014). Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds. Powder Technology, 260, 15-21. , 0032-5910 , http://hdl.handle.net/10220/19644 , http://dx.doi.org/10.1016/j.powtec.2014.03.065
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Powder technology
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Flows seeping through a gravel bed are usually non-Darcian and closely related to non-linear drag. Such flows may be significantly affected by particle shape and bed configuration. In this study, a pseudo-fluid model is developed to calculate average flow velocity through gravel beds. The proposed approach is able to take into account particle shape effect using the drag coefficient associated with an isolated sediment grain and also bed configuration effect in terms of apparent viscosity. The model was then calibrated with ten series of laboratory data, which were collected using vertical columns packed with spherical and natural gravels. Finally, the model was successfully applied to estimate total flow discharges for laboratory-scale open channel flows over a gravel bed.

บรรณานุกรม :
Cheng, Nian-Sheng , Qiao, Changkai , Chen, Xingwei , Liu, Xingnian . (2557). Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Cheng, Nian-Sheng , Qiao, Changkai , Chen, Xingwei , Liu, Xingnian . 2557. "Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Cheng, Nian-Sheng , Qiao, Changkai , Chen, Xingwei , Liu, Xingnian . "Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Cheng, Nian-Sheng , Qiao, Changkai , Chen, Xingwei , Liu, Xingnian . Application of pseudo-fluid approximation to evaluation of flow velocity through gravel beds. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.