Thermo-Hydraulic Characteristics of Anatase Titania Nanofluids Flowing Through a Circular Conduit

Kristiawan, Budi; Kamal, Samsul; Yanuar, Yanuar

doi:10.1166/jnn.2016.10902

Cited by 20 publications

(8 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The value of the initial test by pure water was calculated using a mathematical equation that is well-established to determine the friction factor. For the friction factor, the Hagen-Poiseuille equation for laminar flow (f = 64/Re) and the Blasius equation for turbulent flow (f = 0.3164Re -0.25 ) were used (Kristiawan et al, 2016). For Newtonian fluid, the Reynolds number was used (Re = ρūD/μ).…”

Section: Resultsmentioning

confidence: 99%

Rheology Characteristics and Critical Velocity of Particle-laden Flow Affected by Three-lobed Spiral Pipe

Mau

Yanuar²,

Pamitran³

2020

IJTech

View full text Add to dashboard Cite

The use of piping systems for fluid transportation is increasing because it is considered the most effective method. Newtonian and non-Newtonian fluid flows are suitable for piping systems, and non-Newtonian, particle-laden fluids are more complex due to various factors. Deposition is one of the problems that must continue to be investigated because of the effects of flow efficiency. The purpose of this study was to investigate the performance of the three-lobe spiral pipe effect. Working fluids in several variations of concentration weight (Cw 20%, 30%, and 40%) were used. Test pipe with a length of 1550 mm and consisting of spiral pipe P/Di = 7 and a circular pipe with an inner diameter of 25.4 mm were used. The circular pipe was used to investigate the rheological workings of fluid. Both pipes were used to investigate the particle effects. Using scanning electron microscopy, 1-μm to 5-μm slurry particles were obtained from the mud eruption source at Semau Island, Kupang, Indonesia. The critical velocity value of the spiral pipe was lower than the circular pipe, so the spiral pipe is highly effective for slurry transportation.

show abstract

Section: Resultsmentioning

confidence: 99%

Rheology Characteristics and Critical Velocity of Particle-laden Flow Affected by Three-lobed Spiral Pipe

Mau

Yanuar²,

Pamitran³

2020

IJTech

View full text Add to dashboard Cite

show abstract

“…25) . The above equation of Re' is quoted from Benslimane et al 26) and Kristiawan et al 27) that simplify Re' calculation from Metzner et al 28) to make them more relevant to the method of this investigation. The method used and the data obtained have a tendency towards the related references, so the use of the equations was adjusted accordingly.…”

Section: Methods and Experimental Setupmentioning

confidence: 99%

Experimental Investigation On The Spiral Pipe Performance For Particle-Laden Liquids

Yanuar¹,

Ibadurrahman²,

Pamitran³

et al. 2020

Evergreen

View full text Add to dashboard Cite

Newtonian and non-Newtonian fluids are commonly transported with the piping system, but non-Newtonian fluids with particle-laden are more complicated to be transported due to various factors. A deposition is one of the problems that must be investigated due to affecting flow efficiency. The purpose of this study is to investigate the performance of 3-lobes spiral pipe in relationship with particles effect. The working fluid used had several variations of concentration weight (i.e. Cw 20%, 30% and 40%). Test pipes used had 1550 mm of length which consisted of a spiral pipe with P/Di=7 and a circular pipe with an inner diameter of 25.4 mm; both of the pipes were used to investigate the particles effect where the circular pipe for examining rheological of the working fluid. Slurry particles sized 1-5 μm in this study was obtained from the mud eruption at Semau Island, Kupang-Indonesia. By comparing both working fluids, the critical velocity observed in the spiral pipe was not as high as observed in the circular pipe, and thus the spiral pipe is more efficient to be used in slurry transportation from mud eruption area.

show abstract

“…Fluida nano memiliki beberapa keuntungan antara lain, mereduksi ukuran sistem transfer kalor, peningkatan transfer kalor, mereduksi biaya dan peralatan termal, meminimalisasi clogging (penyumbatan) dan pendinginan microchannel dan sistem miniatur lainnya [17]. Karakteristik thermo hydraulics fluida nano dalam sistem termal telah dilaporkan baik dalam kajian eksperimental maupun studi numerik oleh peneliti sebelumnya [18][19][20][21].…”

Section: Pendahuluanunclassified

ANALISA NUMERIK PENINGKATAN TRANSFER KALOR ALIRAN TURBULEN FLUIDA NANO TiO₂/AIR PADA CIRCULAR MINICHANNEL

Kristiawan

Wijayanta

Juwana

et al. 2022

JRM

Self Cite

View full text Add to dashboard Cite

Conventional heat transfer fluids such as water, ethylene glycol and oil are limited by their poor thermal properties therefore it is needed the advanced heat transfer fluids that be able to improve their thermal performance. Nanofluids is a colloidal dispersion of nano-sized particles which are a breakthrough of thermal system. This numerical study using the multi-phase mixture model method investigated the convective heat transfer of TiO2/water nanofluids flowing through a circular mini channel with a 1.09 mm diameter and 306 mm length under turbulent flow regime. TiO2 nanoparticles with a diameter of 21 nm were dispersed into water with volume concentrations of 1.0, 2.0, 3.5, and 5.0 vol.%. The Reynolds number was varied from 4000-20,000 and a constant heat flux of 6500 W/m2. The results showed that the addition of nanoparticles and the variation of the Reynolds number increased the convective heat transfer coefficient of TiO2/water nanofluid by 5.18%, 7.4%, 12.4%, and 14.3%, respectively, with increasing in nanoparticles concentrations.

show abstract

Thermo-Hydraulic Characteristics of Anatase Titania Nanofluids Flowing Through a Circular Conduit

Cited by 20 publications

References 0 publications

Rheology Characteristics and Critical Velocity of Particle-laden Flow Affected by Three-lobed Spiral Pipe

Rheology Characteristics and Critical Velocity of Particle-laden Flow Affected by Three-lobed Spiral Pipe

Experimental Investigation On The Spiral Pipe Performance For Particle-Laden Liquids

ANALISA NUMERIK PENINGKATAN TRANSFER KALOR ALIRAN TURBULEN FLUIDA NANO TiO₂/AIR PADA CIRCULAR MINICHANNEL

Contact Info

Product

Resources

About