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A parametric study on unbalanced moment of piston type valve core

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (4)

In this paper, the piston type valve core and the unbalanced moment on its bottom are studied. To decrease the influence of non-common geometrical fac......

Tunable patterning of microscale particles using a surface acoustic wave device with slanted-finger interdigital transducers

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

Polymer-based materials with patterned functional particles have been used to develop smart devices with multiple functionalities. This paper presents......

Very-large eddy simulation of the rotational effects on turbulent flow in a ribbed channel

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (7)

For the simplified model of the internal cooling passage in the turbine blade of an aero-engine, the present study applies a newly developed turbulenc......

Effects of the geometrical parameters of the injection nozzle on ethylene-air continuous rotating detonation

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (7)

Compared with traditional isobaric combustion, continuous rotating detonation (CRD) has been theoretically proved to be a more efficient combustion mo......

Molecular dynamics simulation and microscopic observation of compatibility and interphase of composited polymer modified asphalt with carbon nanotubes

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (7)

Interfacing and compatibility are the most challenging issues that affect the performance of polymer modified asphalt. Mechanisms of interfacial enhan......

Application of an interpretable artificial neural network to predict the interface strength of a near-surface mounted fiber-reinforced polymer to concrete joint

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (6)

Accurately estimating the interfacial bond capacity of the near-surface mounted (NSM) carbon fiber-reinforced polymer (CFRP) to concrete joint is a fu......

Development of electric construction machinery in China: a review of key technologies and future directions

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (4)

The issues of energy shortage and environmental pollution have accelerated the electrification of construction machinery (CM) industry globally. In Ch......

Multi-geomagnetic-component assisted localization algorithm for hypersonic vehicles

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

Owing to the lack of information about geomagnetic anomaly fields, conventional geomagnetic matching algorithms in near space are prone to divergence.......

Analytical solution for upheaval buckling of shallow buried pipelines in inclined cohesionless soil

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

Upheaval buckling of pipelines can occur under thermal expansion and differential ground settlement. Research on this phenomenon has usually assumed t......

A deep neural network-based algorithm for solving structural optimization

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (8)

We propose the deep Lagrange method (DLM), which is a new optimization method, in this study. It is based on a deep neural network to solve optimizati......

Influences of fiber length and water film thickness on fresh properties of basalt fiber-reinforced mortar

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

In plain mortar, the water film thickness (WFT) has been found to play a key role in the fresh properties. However, in fiber-reinforced mortar, the ro......

Analytical solutions to ground settlement induced by ground loss and construction loadings during curved shield tunneling

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (4)

This paper focuses on the ground settlement induced by the construction of a curved shield tunnel. Ground loss and construction loadings are the two f......

Optimization of smoke exhaust efficiency under a lateral central exhaust ventilation mode in an extra-wide immersed tunnel

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

This study focused on increasing the efficiency of the smoke exhaust system of an extra-wide (eight-lane, dual-directional) immersed tunnel with a spe......

Effects of accelerated loading on the stress response and rutting of pavements

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (7)

In order to assess the difference in performance of pavements under conventional loading and accelerated loading, in this paper, based on the characte......

Framework of automated value stream mapping for lean production under the Industry 4.0 paradigm

期刊: JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, 2021; 22 (5)

For efficient use of value stream mapping (VSM) for multi-varieties and small batch production in a data-rich environment enabled by Industry 4.0 tech......

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