Results 31 to 40 of about 83,680 (310)
OPTIMIZATION DESIGN OF INTERNAL GEAR PUMP BASED ON IMPROVED PARTICLE SWARM OPTIMIZATION
Jixie qiangdu, 2019 In order to reduce the flow pulsation of the inner meshing gear pump,taking PGH type involute internal gear pump as the research object,the mathematical model of flow pulsation rate and tooth profile parameters was established,and the instantaneous flow ...
SUN YuanJing, QI ZhiYuan, ZHAO GuoChao
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Theoretical assumptions of decrease of pulsation of geometric instant feed of gear pump [PDF]
, 2014 Доведено теорему про особливості руху елементів евольвентного зубчастого зачеплення, яка дає можливість визначити зниження пульсації геометричної миттєвої подачі шестеренного насоса.
Chernovol, М. +9 more
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Scalable Manufacturing of Roll‐to‐Roll Slot‐Die Coated Perovskite Solar Cells
Advanced Science, EarlyView.Roll‐to‐roll (R2R) slot‐die coating is emerging as a scalable pathway for perovskite solar cells. This mini‐review summarizes advances in ink design, drying control, and electrode integration that enable high‐efficiency flexible devices and modules. Challenges in throughput, stability, and sustainable processing are outlined, guiding the translation of
Farshad Jafarzadeh +5 more
wiley +1 more source
Development of CFD-based procedure for 3d gear pump analysis
Engineering Applications of Computational Fluid Mechanics, 2020 Tumbling Multi-Chamber (TMC) gear pump is a generally unknown type of hydraulic device, which features a unique three-dimensional shape of the gears. The main benefits of such design over the conventional gear pumps are self-adapting tightness of the ...
Jernej Munih +3 more
doaj +1 more source
Water Pump Development for the EVA PLSS [PDF]
, 2009 This paper describes the effort by the Texas Engineering Experiment Station (TEES) and Honeywell for NASA to design, fabricate, and test a preflight prototype pump for use in the Extravehicular activity (EVA) portable life support subsystem (PLSS). Major
Goldman, Jeff +4 more
core +1 more source
Harnessing Phase Separation for the Development of High‐Performance Hydrogels
Advanced Science, EarlyView.ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao +3 more
wiley +1 more source
Jixie chuandong, 2014 A kind of multi-gear pump based on oval gear is proposed,and its flow characteristics are discussed.The radial size of the oval gear varies with its rotation angle continuously,making the volume between pump shell and the meshed gears change during ...
谭伟明
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Advanced Science, EarlyView.ABSTRACT The multifunctional integration of chips with high flexibility and scalable manufacturing is crucial for enhancing chip performance, reducing chip size, and simplifying chip design. However, balancing volume, cost, flexibility, and functionality using traditional heterogeneous integration methods is challenging.
Lang Chen +7 more
wiley +1 more source
Jixie chuandong, 2002 Traditional gear pump with two gears is a pressure unbalanced element. Higher unbalanced radial force causes the early failure of the bearings, which becomes a main factor affecting the pump life.
祝海林, 邹旻, 李迎
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Jixie chuandong, 2022 In order to solve the two structural problems of trapped oil and large flow ripple in gear pump and based on transmission advantages of cycloid gear and its forming principle，tooth number and radius factor of rolling circle which can best reflect pump ...
Yuncai Xia, Haibin Hao, Yin Mao
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