12 Result(s)
within
Sheng Dai
Engineering
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Article
Morphological advantages of angelwing shells in mechanical boring
Rock boring is not only essential to infrastructure construction, subsurface resource recovery, and scientific drilling, but also a behavior that many creatures including rock-boring bivalves are born with and...
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Article
Numerical investigations of enhanced shallow geothermal energy recovery using microencapsulated phase change materials and metal fins
The efficiency of shallow geothermal energy recovery has been constrained by both the short-term temperature anomaly around heat exchangers and the long-term ground heat depletion. This study presents numerica...
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Article
Heterogeneous 3D Morphological Evolution of Ni Microparticles in Molten Salts: Visualized by Operando Synchrotron X-ray Nano-tomography
Ni-based superalloys are promising materials for high-temperature molten salt (MS) energy generation and storage. Studying morphological and chemical evolution of pure Ni in MS provides fundamental knowledge f...
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Article
Heterogeneous complementary field-effect transistors based on silicon and molybdenum disulfide
Complementary field-effect transistors—which have n-type and p-type field-effect transistors (FETs) vertically stacked on top of each other—can boost area efficiency in integrated circuits. However, silicon-ba...
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Article
The ontology-based modeling and evolution of digital twin for assembly workshop
Digital twin (DT) technology has been entrusted with the tasks of modeling and monitoring of the product, process, and production system. Moreover, the development of semantic modeling and digital perception p...
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Article
The coefficient of earth pressure at rest in hydrate-bearing sediments
The presence of hydrate alters the stress distribution in sediments. Current analyses of stress state and stress path in hydrate deposits are simplistic, and no direct measurements are available. This study pr...
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Article
Experimental and theoretical investigation of transparent sand composing of fused quartz and calcium bromide solution
The thermal conductivity of soil is a fundamental physical property related to heat conduction and also one of the widely applied parameters in geotechnical engineering. Thermal needle tests were performed to ...
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Article
Open AccessBoosting High-Rate Zinc-Storage Performance by the Rational Design of Mn2O3 Nanoporous Architecture Cathode
Highly crystalline Mn2O3 materials with tunable pore sizes are obtained and employed as high-performance cathode materials for reversible aqueous Zn-ion ba...
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Article
A pore-scale numerical investigation of the effect of pore characteristics on flow properties in soils
Flow properties of soils can impact a wide range of geotechnical, agricultural, and geophysical processes. Few studies focus on the physical understanding of how pore characteristics can affect flow properties...
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Chapter and Conference Paper
Influence of Pore Distribution Characteristics on Relative Hydraulic Conductivity in Soil Covers—A Pore-Scale Numerical Investigation
Relative hydraulic conductivity is an important input parameter for water balance models, which are commonly used to evaluate the performance of soil covers. In this paper, pore-network modeling was utilized t...
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Chapter and Conference Paper
Smart Ground-Source Borehole Heat Exchanger Backfills: A Numerical Study
Geothermal heat pump borehole heat exchangers rely on sensible heat for energy storage and low thermal conductivity materials for heat transfer. This paper examines numerically the potential benefits of an eng...
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Article
Formation and development of salt crusts on soil surfaces
The salt concentration gradually increases at the soil free surface when the evaporation rate exceeds the diffusive counter transport. Eventually, salt precipitates and crystals form a porous sodium chloride c...
