Heat transfer and friction factor analysis of MWCNT nanofluids in double helically coiled tube heat exchanger
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-09444-x
Abstract: The convective heat transfer rate and friction factor analysis are determined with the help of a double helically coiled tube heat exchanger by handling multiwall carbon nanotube (MWCNT)/water-based nanofluids as a cooling medium. This experiment… read more here.
Keywords: mwcnt; water; heat transfer; heat ... See more keywords
Numerical investigation of heat transfer and friction factor in ribbed triangular duct solar air heater using Computational fluid dynamics (CFD)
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-1240-8
Abstract: The Computational fluid dynamics (CFD) based analysis is carried out to investigate the thermal and hydraulic performance of circular rib roughened triangular passage Solar air heater (SAH). The circular ribs were provided over the absorber… read more here.
Keywords: friction; friction factor; number; computational fluid ... See more keywords
Numerical investigation of heat transfer and friction factor characteristics from in-line cam shaped tube bank in crossflow
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2016.08.174
Abstract: Abstract Tube bank heat exchangers are considered to be an effective device for heat transfer between two fluids. Researchers investigated various arrangements and along with different geometries of the tube, so as to improve the… read more here.
Keywords: heat; factor; friction factor; heat transfer ... See more keywords
Dissipative analogies of step-pool features: From rills to mountain streams
Sign Up to like & getrecommendations! Published in 2019 at "CATENA"
DOI: 10.1016/j.catena.2018.11.005
Abstract: Abstract In this paper the dissipative similarity of step-pool units at different spatial scales ranging from rills to streams is analyzed. This investigation benefits from the latest theoretical advances in open channel flow resistance, high-resolution… read more here.
Keywords: pool; friction factor; flow resistance; step pool ... See more keywords
Effects of different tillage practices on the hydraulic resistance of concentrated flow on the Loess Plateau in China
Sign Up to like & getrecommendations! Published in 2020 at "Catena"
DOI: 10.1016/j.catena.2019.104293
Abstract: Abstract Numerous fixed or movable flume experiments have been conducted to characterize the hydraulic resistance of concentrated flow on natural and tilled surfaces. However, few studies have elucidated how the friction factor of flow resistance… read more here.
Keywords: tillage; friction factor; resistance; tillage practices ... See more keywords
Comment on “Effects of different tillage practices on the hydraulic resistance of concentrated flow on the loess plateau in China” by J. Sun et al
Sign Up to like & getrecommendations! Published in 2020 at "Catena"
DOI: 10.1016/j.catena.2020.104629
Abstract: Abstract For concentrated flows, which are characterized by small water depth and steep sloping beds, hydraulic conditions different from those typical of streams and rivers occur. In this study a new theoretically deduced flow resistance… read more here.
Keywords: profile parameter; tillage; resistance; friction factor ... See more keywords
A study of friction factor model for directional wells
Sign Up to like & getrecommendations! Published in 2017 at "Egyptian Journal of Petroleum"
DOI: 10.1016/j.ejpe.2016.07.004
Abstract: Abstract High torque and drag is one of the main problems in the directional wells. Friction models can be used for analysis during planning, drilling and after finishing the well. To have an accurate model… read more here.
Keywords: study friction; friction; directional wells; model ... See more keywords
Heat transfer and friction factor correlations development for solar air heater duct artificially roughened with ‘S’ shape ribs
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2016.11.012
Abstract: Abstract This paper presents the experimental investigation for heat transfer and friction factor for an artificially roughened solar air heater duct having an aspect ratio of 12. Arc shape wire ribs arranged in ‘S’ shape… read more here.
Keywords: friction factor; roughness; relative roughness; duct ... See more keywords
Friction correlation of an offset strip fin modeled as porous medium for application to a geothermal heat exchanger
Sign Up to like & getrecommendations! Published in 2020 at "Geothermics"
DOI: 10.1016/j.geothermics.2020.101873
Abstract: Abstract Accelerated global warming caused by the use of fossil fuels has resulted in an elevated demand for renewable energy such as geothermal energy, which exploits the constancy of ground temperature throughout the year to… read more here.
Keywords: correlation; heat exchanger; friction factor; friction ... See more keywords
Heat transfer and friction factor of nanodiamond-nickel hybrid nanofluids flow in a tube with longitudinal strip inserts
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.12.096
Abstract: Abstract The heat transfer and friction factor of a new kind of nanodiamond-nickel (ND-Ni) hybrid nanofluids flow in a tube with and without longitudinal strip inserts were studied experimentally. The hybrid ND-Ni nanoparticles were synthesized… read more here.
Keywords: heat; hybrid nanofluids; friction factor; longitudinal strip ... See more keywords
New friction factor and Nusselt number equations for turbulent convection of liquids with variable properties in circular tubes
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.03.082
Abstract: Abstract Large temperature differences between the wall and bulk fluid in heat exchangers will result in significant property variations in the cross section. Most existing equations use correction factors such as ( μ w /… read more here.
Keywords: variable properties; turbulent convection; friction; number ... See more keywords