Experimental study on convection heat transfer of supercritical CO2 in small upward channels
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.03.109
Abstract: Abstract A supercritical carbon dioxide (s-CO2) Brayton power cycle was extensively applied in several energy systems in this study. This paper presents an experimental investigation of the heat transfer characteristics of supercritical CO2 in a… read more here.
Keywords: heat; supercritical co2; low mass; heat transfer ... See more keywords
Low mass flux upward vertical forced flow boiling of HFE7000
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2018.11.011
Abstract: Abstract Forced convective boiling experiments with HFE7000 as the working fluid were conducted for upward flow in a vertical tube at 122 kPa (1.2 bar), inlet subcooling of 2 K and mass flux ranging between 50 and 150 kg/m2… read more here.
Keywords: heat; low mass; mass flux; flux ... See more keywords
Pressure drop during condensation at low mass fluxes in smooth horizontal and inclined tubes
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.12.161
Abstract: This work was produced as part of the requirements for a PhD in the Clean Energy Research Group of the Department of Mechanical and Aeronautical Engineering at the University of Pretoria by the first author,… read more here.
Keywords: condensation low; drop condensation; mass; low mass ... See more keywords
Convective condensation at low mass flux: Effect of turbulence and tube orientation on the heat transfer
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.118646
Abstract: Abstract It is well proved in the literature that gravity affects in-tube condensation heat transfer at low mass flux. Nevertheless very limited data are taken at low mass flux when changing tube orientation, despite the… read more here.
Keywords: heat transfer; transfer; heat; low mass ... See more keywords
A double-nanoprobe based immunoassay for rapid and sensitive detection of phenanthrene and some low-mass homologues
Sign Up to like & getrecommendations! Published in 2020 at "Microchemical Journal"
DOI: 10.1016/j.microc.2020.105169
Abstract: Abstract Two nanoprobes based on gold nanoparticles (AuNPs) and magnetic nanoparticles (MNPs) were synthesized, respectively. A double- nanoprobe based immunoassay with sensitivity, rapidity, and reproducibility was developed for the determination of phenanthrene (Phe) and related… read more here.
Keywords: phenanthrene; nanoprobe based; water; double nanoprobe ... See more keywords
Outflows, infall and evolution of a sample of embedded low-mass protostars - The William Herschel Line Legacy (WILL) survey
Sign Up to like & getrecommendations! Published in 2017 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201628682
Abstract: Context. Herschel observations of water and highly excited CO ( J > 9) have allowed the physical and chemical conditions in the more active parts of protostellar outflows to be quantified in detail for the… read more here.
Keywords: class; mass; embedded low; sample embedded ... See more keywords
A survey for low-mass stellar and substellar members of the Hyades open cluster
Sign Up to like & getrecommendations! Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201630134
Abstract: Unlike young open clusters (with ages read more here.
Keywords: mass; survey; low mass; cluster ... See more keywords
Pulsating low-mass white dwarfs in the frame of new evolutionary sequences - IV. The secular rate of period change
Sign Up to like & getrecommendations! Published in 2017 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201630376
Abstract: We present a theoretical assessment of the expected temporal rates of change of periods ($\dot{\Pi}$) for low-mass ($M_{\star}/M_{\sun} \lesssim 0.45$) and extremely low-mass (ELM, $M_{\star}/M_{\sun} \lesssim 0.18-0.20$) white-dwarf stars, based on fully evolutionary low-mass He-core… read more here.
Keywords: period change; pre; mass; white dwarf ... See more keywords
C/O vs. Mg/Si ratios in solar type stars: The HARPS sample
Sign Up to like & getrecommendations! Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201730743
Abstract: Aims. We present a detailed study of the Mg/Si and C/O ratios and their importance in determining the mineralogy of planetary companions. Methods. Using 499 solar-like stars from the HARPS sample, we determine C/O and… read more here.
Keywords: harps sample; mass; solar type; low mass ... See more keywords
A Radial velocity survey of spatially resolved young, low-mass binaries
Sign Up to like & getrecommendations! Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201732156
Abstract: The identification and characterisation of low-mass binaries is of importance for a range of astrophysical investigations. Low-mass binaries in young (∼10–100 Myr) moving groups (YMGs) in the solar neighborhood are of particular significance as they… read more here.
Keywords: mass binaries; mass; radial velocity; low mass ... See more keywords
Linking ice and gas in the Serpens low-mass star-forming region
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202038102
Abstract: The interaction between dust, ice, and gas during the formation of stars produces complex organic molecules. While observations indicate that several species are formed on ice-covered dust grains and are released into the gas phase,… read more here.
Keywords: gas; ice gas; low mass; gas ice ... See more keywords