Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Wenguang Nan"'
Autor:
Mojtaba Ghadiri, Mehrdad Pasha, Wenguang Nan, Colin Hare, Vincenzino Vivacqua, Umair Zafar, Saeid Nezamabadi, Alejandro Lopez, Massih Pasha, Sadegh Nadimi
Publikováno v:
KONA Powder and Particle Journal, Vol 37, Iss 0, Pp 3-18 (2019)
Powder processing and manufacturing operations are rate processes for which the bottleneck is cohesive powder flow. Diversity of material properties, particulate form, and sensitivity to environmental conditions, such as humidity and tribo-electric c
Externí odkaz:
https://doaj.org/article/dd30dc95dcb04beebd68b119530aa5e7
Publikováno v:
Powder Technology. 425:118577
Publikováno v:
Powder Technology. 386:60-69
Understanding of the rheological behaviour of fully three-dimensional and non-uniform particle flow is of great interest. We analyse the resistance exhibited by a granular bed as a rotating impeller is penetrated into it, from which the rheological c
Analysis of the metrics and mechanism of powder spreadability in powder-based additive manufacturing
Autor:
Rui Xu, Wenguang Nan
Publikováno v:
Additive Manufacturing. 71:103596
Autor:
Wenguang Nan, Gu Yiqing
Publikováno v:
Powder Technology. 376:332-341
Blade rheometer has been used to characterise the rheological behaviour of bulk particles at high shear strain rate under dynamic conditions, yet little is known about its underlying powder mechanics. We analyse the effects of the shape and rotation
Publikováno v:
Powder Technology. 372:466-476
Powder spreading in Additive Manufacturing (AM) has been analysed extensively by the Discrete Element Method, but without considering the presence of ambient gas. For fine particles, as commonly used in AM, the gas drag could affect the quality of sp
Publikováno v:
Powder Technology. 367:671-679
Additive manufacturing based on powder spreading is attracting great interest, but one key weakness is that narrow gaps used for spreading produce non-uniformity in the spread layer due to transient jamming. We propose a simple technique for assessin
Publikováno v:
Powder Technology. 364:811-821
Additive Manufacturing (AM) using powder spreading requires uniform spreading. For narrow spreader gaps, as commonly used, transient jamming and segregation could adversely affect the uniformity of the spread layer. Here, we consider the dynamics of
Publikováno v:
SSRN Electronic Journal.
Autor:
Wenguang Nan1,2, Vivacqua, Vincenzino1, Ghadiri, Mojtaba1 M.Ghadiri@leeds.ac.uk, Yueshe Wang2
Publikováno v:
EPJ Web of Conferences. 2017, Vol. 140, p1-4. 4p. 2 Color Photographs, 4 Charts, 5 Graphs.