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Sustainable Energy Technologies and Assessments, ISSN 2213-1388, 06/2020, Volume 39, p. 100685
Solar air heaters are widely used in various household and industrial applications. Reduced thermal efficiency of solar air heaters has necessitated the... 
Turbulator | Friction factor | Reynold’s number | Nusselt number | Solar air heater
Journal Article
International Journal of Occupational Safety and Ergonomics, ISSN 1080-3548, 04/2020, Volume 26, Issue 2, pp. 370 - 383
Purpose. To investigate the effect of cold stimulation (contacting wet fabric) and tactile stimulation (dynamic friction) on skin wetness perception: (a)... 
dynamic friction | skin cooling rate | frictional coefficient | transient heat flow | wetness perception | MOISTURE | DAMPNESS | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | TEXTILES | ERGONOMICS | WATER
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 06/2020, Volume 153, p. 119610
•CFD simulations of extreme helical geometries under laminar flow conditions.•8-fold increase in volumetric transfer rates compared to straight pipes.•Novel... 
CFD | Correlation | Helical pipe | Packing density | Heat transfer | Mass transfer | SINGLE | HEAT-TRANSFER ENHANCEMENT | ENGINEERING, MECHANICAL | PRESSURE-DROP | MECHANICS | THERMODYNAMICS | GAS | DEAN VORTICES | MASS-TRANSFER | MEMBRANE CONTACTORS | FRICTION FACTOR | WATER | Programming Languages | Modeling and Simulation | Chemical engineering | Symbolic Computation | Chemical Sciences | Computer Science
Journal Article
by Yang, JR and Chu, DF and Wang, RK and Gao, M and Wu, CZ
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING, ISSN 0954-4070, 06/2020, Volume 234, Issue 7, pp. 2066 - 2078
Journal Article
TRIBOLOGY LETTERS, ISSN 1023-8883, 04/2020, Volume 68, Issue 2
Self-assembled monolayers (SAMs) can reduce friction in boundary lubricated contacts by providing a low shear strength interface for sliding. However, the... 
ALKYL MONOLAYERS | FUNDAMENTAL PROPERTIES | Atomic force microscopy | GOLD | Hydrophilic | CHEMICAL FORCE MICROSCOPY | ALKANETHIOLS | MOLECULAR-DYNAMICS SIMULATION | ENGINEERING, MECHANICAL | HYDROGEN-BONDS | ENGINEERING, CHEMICAL | ADHESION | Friction | Self-assembled monolayers | FUNCTIONAL-GROUPS | CHAIN-LENGTH | Hydrophobic
Journal Article
JOURNAL OF GLACIOLOGY, ISSN 0022-1430, 06/2020, Volume 66, Issue 257, pp. 401 - 414
Journal Article
Metallurgical and Materials Transactions A, ISSN 1073-5623, 06/2020, Volume 51, Issue 6, pp. 2796 - 2810
Journal Article
TRIBOLOGY LETTERS, ISSN 1023-8883, 04/2020, Volume 68, Issue 2
Several two-dimensional (2D) materials such as graphene, molybdenum disulfide, or boron nitride are emerging as alternatives for lubrication additives to... 
Maximum energy barrier | ELECTRONIC-PROPERTIES | LATTICE-DYNAMICS | MONOLAYER MOS2 | SINGLE | Transfer learning | ELASTIC PROPERTIES | Van der waals | 2D materials | AB-INITIO | GRAPHENE | THERMAL-CONDUCTIVITY | ENGINEERING, MECHANICAL | Potential energy surface | ENGINEERING, CHEMICAL | EXCITON BINDING-ENERGY | Friction | Bayesian model | DIELECTRIC-PROPERTIES
Journal Article
TRIBOLOGY LETTERS, ISSN 1023-8883, 04/2020, Volume 68, Issue 2
This paper investigates the tribological and related properties of naturally modified beech wood (Fagus sylvatica). The modifications were performed on steamed... 
ENGINEERING, CHEMICAL | Synthetic polymer substitute | Low wear | PERFORMANCE | Green tribology | Low friction | Modified wood | ENGINEERING, MECHANICAL | Biodegradable materials | Polytetrafluoroethylene | Biodegradability | Beeswax | Sliding | Friction reduction | Impregnation | Friction | Aqueous solutions | Wear rate | Beech | Natural polymers | Tribology
Journal Article
Energy, ISSN 0360-5442, 06/2020, Volume 200, p. 117448
Computational fluid dynamics (CFD) and exergy analysis are conducted to investigate the impact of secondary flow produced by V-ribs on the overall performance... 
Exergetic efficiency | Secondary flow | Thermo-hydraulic performance | V-rib | Entropy generation | Triangular duct solar air heater | DOWN RIB | RECTANGULAR DUCT | FORCED-CONVECTION | ENERGY & FUELS | SECTIONAL DUCT | ARTIFICIAL ROUGHNESS | PRESSURE-DROP | FRICTION FACTOR CORRELATIONS | FLOW ANALYSIS | THERMODYNAMICS | COMPUTATIONAL FLUID-DYNAMICS | 2ND LAW OPTIMIZATION
Journal Article
FRICTION, ISSN 2223-7690, 06/2020, Volume 8, Issue 3, pp. 577 - 593
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 05/2020, Volume 127, Issue 20
The density of nanofluids is an important thermophysical property whose value is required to evaluate various heat-transfer parameters such as the Reynolds... 
Ethylene glycol | Parameters | Aluminum | Reynolds number | Correlation coefficients | Silicon nitride | Fluid flow | Nanofluids | Titanium nitride | Friction factor | Density | Model accuracy | Support vector machines | Nanoparticles | Regression models | Machine learning | Pressure loss | Thermophysical properties | Heat transfer
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 05/2020, Volume 172, p. 115148
•The thermo-hydraulic performance of tubes with various twisted tapes (TTs) are investigated.•The comprehensive thermal performance of TTs is pronouncedly... 
Cut configuration | Obtuse V-cut | Correlations | Twisted tape | Gap ratio | SQUARE | FLUID-FLOW | ENERGY & FUELS | PERFORMANCE | ISOTHERMAL TUBES | INSERTS | LAMINAR | ENGINEERING, MECHANICAL | FRICTION FACTOR CHARACTERISTICS | PRESSURE-DROP CORRELATIONS | MECHANICS | THERMODYNAMICS | TURBULENT-FLOW | TRANSFER COEFFICIENTS
Journal Article
Materials, ISSN 1996-1944, 05/2020, Volume 13, Issue 10, p. 2359
Tool steels are used in stamping, shearing processes, and as cutting tools due to their good mechanical properties. During their working cycle, steels are... 
Cutting tools | Mechanical properties | Surface roughness | Hardness | Steel | Diameters | Shearing | Stainless steels | Coefficient of friction | Abrasive cutting | High strength steels | Abrasive wear | Tool steels | Tool wear | Wear resistance | Heat stress | Zirconium dioxide | Microstructure | Sliding friction | ZrO2 counterpart | coefficient of friction | tribology | tool steel
Journal Article
Studies in Conservation, ISSN 0039-3630, 05/2020, pp. 1 - 12
Journal Article
Science and Technology of Welding and Joining, ISSN 1362-1718, 05/2020, Volume 25, Issue 4, pp. 345 - 358
Numerical investigation on dynamic recrystallization in friction stir welds is of great significance to control the microstructure evolution and grains size in... 
weld nugget zone | grain size | dynamic recrystallization | Friction stir welding | phase-field modelling | MICROSTRUCTURAL EVOLUTION | MATERIALS SCIENCE, MULTIDISCIPLINARY | METALLURGY & METALLURGICAL ENGINEERING | CELLULAR-AUTOMATON | SIMULATION | JOINT | FLOW
Journal Article