2016
DOI: 10.1177/0306419016635913
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Development of a two-stage Lau-Wan Wankel pump/mixer

Abstract: A two-stage Wankel pump/mixer device has been designed and prototyped as part of a final-year undergraduate project. Based on the concept of the Wankel rotary engine, the device features a 'two-apex' rotor instead of the conventional 'three-apex' rotor. The novelty of the device addresses a unique axis of rotation for the rotor, driven by a crankshaft. In particular, in order for the motion of the rotor to exhibit a trajectory to consistency with an epitrochoid, the rotational motion is guided by the linear mo… Show more

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Cited by 3 publications
(4 citation statements)
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“…As a DFI project, 7,8 the students in the DFI team have been able to apply the principles and technologies learned throughout the Mechanical Design & Manufacturing Engineering degree programme (namely in engineering modules related to materials, solid mechanics, fluid mechanics to achieve an engineering-related goal, namely a working HI prototype. More importantly, the students have experienced the various stages of a design life cycle (Figure 3).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…As a DFI project, 7,8 the students in the DFI team have been able to apply the principles and technologies learned throughout the Mechanical Design & Manufacturing Engineering degree programme (namely in engineering modules related to materials, solid mechanics, fluid mechanics to achieve an engineering-related goal, namely a working HI prototype. More importantly, the students have experienced the various stages of a design life cycle (Figure 3).…”
Section: Resultsmentioning
confidence: 99%
“…delamination and skin cracking) that do not adversely affect the structural integrity and are not expected to lead to a catastrophic failure, the damaged composite can be easily repaired in most cases. 6 As it is important to ensure that the degree programme 7,8 remains relevant to the industry, developing and working closely with the relevant companies in the area of repair of composite materials and parts has helped established a serial of designfor-industry (DFI) projects for the students. One of these projects involved the design and prototyping of a portable low-pressure healant-injection (HI) device that can be used to repair the delamination and cracks in CFRC.…”
Section: Introductionmentioning
confidence: 99%
“…Lau et al (2016) verified the feasibility of mixing two highly viscous fluids with a bicornous rotor pump in a visualization experiment [19]. In the same year (2016), Lim et al designed a special rotating shaft whereby the rotating motion of the rotor was guided by the linear motion of the rotating shaft in the inner groove of the rotor, which solves the problem of inconvenient installation of the rotating shaft in a long and narrow bicornous rotor [20]. Wan et al (2017) developed a single-stage, two-stage (parallel), double-cylinder bicornous rotor pump and highlighted the potential and challenges associated with the development of a bicornous rotor pump as a mixer [12].…”
Section: Introductionmentioning
confidence: 90%
“…Reverse application of Wankel engines means that the power that produces the volume change comes from outside, and the volume change is used to push the fluid to do work. Existing rotary positive-displacement pump designs for reverse applications of Wankel engines are limited to bicornous rotor pumps (with a two-lobe inner envelope) [12][13][14][15][16][17][18][19][20][21] and triangular rotor pumps (with a three-lobe inner envelope) [22][23][24]. Monties et al (1990) first proposed the application of a bicornous rotor pump based on Wankel geometry to an artificial heart [14].…”
Section: Introductionmentioning
confidence: 99%