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Title: Microfluidic active mixing nozzle for three-dimensional printing of viscoelastic inks

The present disclosure relates to a device for three-dimensional ink deposition from an impeller-driven active mixing microfluidic printing nozzle. The device is configured to receive a material property associated with the plurality of fluids and receive a structure property of the printing nozzle. The device then determines a threshold relation between a rotating speed .OMEGA. of an impeller in the nozzle and a volumetric flow rate Q of fluids that flow through the nozzle based on the material property of the plurality of fluids, the structure property of the printing nozzle. Based on the threshold relation, the device then determines an actual volumetric flow rate of the fluids and actual rotation speed of the impeller.
Inventors:
;
Issue Date:
OSTI Identifier:
1480294
Assignee:
President and Fellows of Harvard College (Cambridge, MA) LLNL
Patent Number(s):
10,071,350
Application Number:
15/564,396
Contract Number:
AC52-07NA27344; SC0001293
Resource Relation:
Patent File Date: 2016 Apr 07
Research Org:
President and Fellows of Harvard College, Cambridge, MA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English