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Research Output 1970 2019

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2019

Effect of inclination on heat transfer and flow regimes in large flattened-tube steam condensers

Davies, W. A., Kang, Y., Hrnjak, P. S. & Jacobi, A. M., Feb 5 2019, In : Applied Thermal Engineering. 148, p. 999-1006 8 p.

Research output: Contribution to journalArticle

Condenser tubes
Heat transfer
Steam
Void fraction
Condensation
Flow visualization
Heat exchangers
Mass transfer
Two phase flow
Fluids

Heat transfer and flow regimes in large flattened-tube steam condensers

Davies, W. A., Kang, Y., Hrnjak, P. S. & Jacobi, A. M., Feb 5 2019, In : Applied Thermal Engineering. 148, p. 722-733 12 p.

Research output: Contribution to journalArticle

Condenser tubes
Steam
Heat transfer coefficients
Heat transfer
Condensation

Heat transfer enhancement of internal laminar flows using additively manufactured static mixers

Kwon, B., Liebenberg, L., Jacobi, A. M. & King, W. P., Jul 2019, In : International Journal of Heat and Mass Transfer. 137, p. 292-300 9 p.

Research output: Contribution to journalArticle

3D printers
laminar flow
Laminar flow
heat transfer
Heat transfer

High power density two-phase cooling in microchannel heat exchangers

Kwon, B., Maniscalco, N. I., Jacobi, A. M. & King, W. P., Feb 5 2019, In : Applied Thermal Engineering. 148, p. 1271-1277 7 p.

Research output: Contribution to journalArticle

Microchannels
Heat exchangers
Cooling
Refrigerants
Air
2018

Convective boiling of R-134a near the micro-macroscale transition inside a vertical brazed plate heat exchanger

Kim, H. J., Liebenberg, L. & Jacobi, A. M., Sep 1 2018, In : Journal of Heat Transfer. 140, 9, 091501.

Research output: Contribution to journalArticle

norflurane
heat exchangers
boiling
Boiling liquids
Heat exchangers

Heat flux variation between neighboring channels in compact minichannel heat exchangers

Khovalyg, D., Hrnjak, P. S. & Jacobi, A. M., May 5 2018, In : Applied Thermal Engineering. 135, p. 418-434 17 p.

Research output: Contribution to journalArticle

Heat exchangers
Heat flux
Air
Fins (heat exchange)
Flow velocity

High power density air-cooled microchannel heat exchanger

Kwon, B., Maniscalco, N. I., Jacobi, A. M. & King, W. P., Mar 2018, In : International Journal of Heat and Mass Transfer. 118, p. 1276-1283 8 p.

Research output: Contribution to journalArticle

heat exchangers
microchannels
Microchannels
refrigerants
Heat exchangers
Condenser tubes
Visualization
Heat transfer
Steam
Void fraction
2017

Effect of inclination on pressure drop and flow regimes in large flattened-tube steam condensers

Kang, Y., Davies, W. A., Hrnjak, P. S. & Jacobi, A. M., Jan 1 2017, In : Applied Thermal Engineering. 123, p. 498-513 16 p.

Research output: Contribution to journalArticle

Condenser tubes
Pressure drop
Steam
Void fraction
Flow patterns

Heat transfer correlations for single-phase flow in plate heat exchangers based on experimental data

Yang, J., Jacobi, A. M. & Liu, W., Feb 25 2017, In : Applied Thermal Engineering. 113, p. 1547-1557 11 p.

Research output: Contribution to journalArticle

Heat exchangers
Heat transfer
Fluids
Nusselt number
Ethylene glycol

Thermal-hydraulic performance of metal foam heat exchangers under dry operating conditions

Nawaz, K., Bock, J. & Jacobi, A. M., Jan 1 2017, In : Applied Thermal Engineering. 119, p. 222-232 11 p.

Research output: Contribution to journalArticle

Heat exchangers
Foams
Hydraulics
Metals
Heat transfer coefficients
2016

Aluminum surface wettability changes by pool boiling of nanofluids

Zhang, F. & Jacobi, A. M., Oct 5 2016, In : Colloids and Surfaces A: Physicochemical and Engineering Aspects. 506, p. 438-444 7 p.

Research output: Contribution to journalArticle

wettability
Aluminum
boiling
Boiling liquids
Wetting

Interactions Between Parallel Unevenly Heated Minichannels During Flow Boiling of R134A

Khovalyg, D., Hrnjak, P. S. & Jacobi, A. M., Jul 23 2016, In : Heat Transfer Engineering. 37, 11, p. 921-937 17 p.

Research output: Contribution to journalArticle

boiling
Boiling liquids
Pressure drop
Flow rate
pressure drop
2015
Mufflers
mufflers
transmission loss
outlets
chambers
Hygroscopic Agents
Aerogels
Silicon Dioxide
Foams
Metals

Experimental study on frosting/defrosting characteristics of microgrooved metal surfaces

Rahman, M. A. & Jacobi, A. M., Feb 2015, In : International Journal of Refrigeration. 50, p. 44-56 13 p.

Research output: Contribution to journalArticle

Defrosting
Metals
Drainage
Water
Aluminum

Impact of air and water vapor environments on the hydrophobicity of surfaces

Weisensee, P. B., Neelakantan, N. K., Suslick, K. S., Jacobi, A. M. & King, W. P., Sep 1 2015, In : Journal of Colloid And Interface Science. 453, p. 177-185 9 p.

Research output: Contribution to journalArticle

Steam
Hydrophobicity
Water vapor
Contact angle
Air

Transient pressure drop cross-correlation during flow boiling of R134a in parallel minichannels

Khovalyg, D. M., Hrnjak, P. S. & Jacobi, A. M., Jan 1 2015, In : Science and Technology for the Built Environment. 21, 5, p. 545-554 10 p.

Research output: Contribution to journalArticle

Boiling liquids
Pressure drop
Flow rate
Heat flux
Flow interactions
2014

A comparison of four numerical modeling approaches for enhanced shell-and-tube heat exchangers with experimental validation

Yang, J., Ma, L., Bock, J., Jacobi, A. M. & Liu, W., Apr 1 2014, In : Applied Thermal Engineering. 65, 1-2, p. 369-383 15 p.

Research output: Contribution to journalArticle

Tubes (components)
Heat exchangers
Pressure drop
Heat transfer
Fins (heat exchange)
Direct methanol fuel cells (DMFC)
Pressure drop
Heat exchangers
Heat transfer

A mathematical model for frost growth and densification on flat surfaces

El Cheikh, A. & Jacobi, A. M., Oct 2014, In : International Journal of Heat and Mass Transfer. 77, p. 604-611 8 p.

Research output: Contribution to journalArticle

frost
densification
Densification
flat surfaces
mathematical models

A thermodynamic basis for predicting falling-film mode transitions

Wang, X. & Jacobi, A. M., Jul 2014, In : International Journal of Refrigeration. 43, p. 123-132 10 p.

Research output: Contribution to journalArticle

Flow patterns
Thermodynamics
Reynolds number
Liquid films
Refrigeration
Mufflers
mufflers
transmission loss
outlets
perturbation
metal foams
Aerogels
aerogels
Hygroscopic Agents
desiccants
Aerogels
aerogels
sol-gel processes
Silicon Dioxide
Sol-gel process

Hydrophobic and oleophobic re-entrant steel microstructures fabricated using micro electrical discharge machining

Weisensee, P. B., Torrealba, E. J., Raleigh, M., Jacobi, A. M. & King, W. P., Sep 1 2014, In : Journal of Micromechanics and Microengineering. 24, 9, 095020.

Research output: Contribution to journalArticle

Electric discharge machining
Steel
Contact angle
2-Propanol
Microstructure

Optimization of shell-and-tube heat exchangers conforming to TEMA standards with designs motivated by constructal theory

Yang, J., Fan, A., Liu, W. & Jacobi, A. M., Feb 1 2014, In : Energy Conversion and Management. 78, p. 468-476 9 p.

Research output: Contribution to journalArticle

Tubes (components)
Costs
Genetic algorithms
Cost functions
Heat exchangers

Simultaneous heat and mass transfer to air from a compact heat exchanger with water spray precooling and surface deluge cooling

Zhang, F., Bock, J., Jacobi, A. M. & Wu, H., Feb 22 2014, In : Applied Thermal Engineering. 63, 2, p. 528-540 13 p.

Research output: Contribution to journalArticle

Heat exchangers
Mass transfer
Heat transfer
Cooling
Air

Study of frost properties and frost melt water drainage on microgrooved brass surfaces in multiple frost/defrost/refrost cycles

Rahman, M. A. & Jacobi, A. M., Mar 1 2014, In : Applied Thermal Engineering. 64, 1-2, p. 453-461 9 p.

Research output: Contribution to journalArticle

Brass
Drainage
Water
Defrosting
Textures
2013
frost
brasses
Brass
Natural convection
free convection

Dynamic wetting behavior and water drops on microgrooved surfaces

Wang, X., Rahman, M. A., Jacobi, A. M. & Hrnjak, P. S., Jun 28 2013, In : Heat Transfer Engineering. 34, 13, p. 1088-1098 11 p.

Research output: Contribution to journalArticle

wetting
Wetting
Contact angle
Water
Surface roughness

Effects of liquid supply method on falling-film mode transitions on horizontal tubes

Wang, X., He, M., Lv, K., Fan, H. & Jacobi, A. M., Jan 1 2013, In : Heat Transfer Engineering. 34, 7, p. 562-579 18 p.

Research output: Contribution to journalArticle

orifices
Orifices
falling
tubes
Liquids

Effects of microgroove geometry on the early stages of frost formation and frost properties

Rahman, M. A. & Jacobi, A. M., Apr 24 2013, In : Applied Thermal Engineering. 56, 1-2, p. 91-100 10 p.

Research output: Contribution to journalArticle

Geometry
Brass
Substrates
Atmospheric humidity
Cooling
Surface chemistry
grooves
wetting
condensates
Wetting

Heat transfer performance for a falling-film on horizontal flat tubes

Wang, X., Hrnjak, P. S., Elbel, S., Jacobi, A. M. & He, M. G., Jun 17 2013, In : Journal of Heat Transfer. 135, 7, 072901.

Research output: Contribution to journalArticle

Nusselt number
falling
Heat transfer coefficients
heat transfer
tubes
mufflers
transmission loss
outlets
pistons
Green's functions
2012

A comparison of metal-foam heat exchangers to compact multilouver designs for air-side heat transfer applications

Dai, Z., Nawaz, K., Park, Y., Chen, Q. & Jacobi, A. M., Jan 1 2012, In : Heat Transfer Engineering. 33, 1, p. 21-30 10 p.

Research output: Contribution to journalArticle

metal foams
heat exchangers
louvers
Heat exchangers
Foams

Drainage of frost melt water from vertical brass surfaces with parallel microgrooves

Rahman, M. A. & Jacobi, A. M., Feb 1 2012, In : International Journal of Heat and Mass Transfer. 55, 5-6, p. 1596-1605 10 p.

Research output: Contribution to journalArticle

frost
brasses
defrosting
Brass
drainage

Droplet contact angle behavior on a hybrid surface with hydrophobic and hydrophilic properties

Yao, C. W., Garvin, T. P., Alvarado, J. L., Jacobi, A. M., Jones, B. G. & Marsh, C. P., Sep 10 2012, In : Applied Physics Letters. 101, 11, 111605.

Research output: Contribution to journalArticle

wettability
hydrophobicity
microbalances
hysteresis
spacing

Flow modes and mode transitions for falling films on flat tubes

Wang, X., Hrnjak, P. S., Elbel, S., Jacobi, A. M. & He, M., Jan 1 2012, In : Journal of Heat Transfer. 134, 2, 021801.

Research output: Contribution to journalArticle

falling
tubes
Ethylene Glycol
Ethylene glycol
glycols
Carbon Nanotubes
falling
Ethylene Glycol
Carbon nanotubes
Suspensions

The potential impact of nanofluid enhancements on the performance of heat exchangers

Liu, L., Kim, E. S., Park, Y. G. & Jacobi, A. M., Jan 1 2012, In : Heat Transfer Engineering. 33, 1, p. 31-41 11 p.

Research output: Contribution to journalArticle

heat exchangers
Heat exchangers
Heat resistance
Specific heat
augmentation

Ultrasonication effects on thermal and rheological properties of carbon nanotube suspensions

Ruan, B. & Jacobi, A. M., Mar 8 2012, In : Nanoscale Research Letters. 7, p. 1-11 11 p., 127.

Research output: Contribution to journalArticle

Carbon Nanotubes
Sonication
Carbon nanotubes
Suspensions
thermodynamic properties

Wetting, frost formation and melt water retention pattern on microgrooved surfaces

Rahman, M. A. & Jacobi, A. M., Aug 2012, In : Journal of Heat Transfer. 134, 8, 1 p.

Research output: Contribution to journalArticle

frost
wetting
Wetting
water
Water

Wetting behavior and drainage of water droplets on microgrooved brass surfaces

Rahman, M. A. & Jacobi, A. M., Sep 18 2012, In : Langmuir. 28, 37, p. 13441-13451 11 p.

Research output: Contribution to journalArticle

brasses
Brass
drainage
Drainage
wetting
2011

A simple air-side data analysis method for partially wet flat-tube heat exchangers

Park, Y. G. & Jacobi, A. M., Feb 1 2011, In : Heat Transfer Engineering. 32, 2, p. 133-140 8 p.

Research output: Contribution to journalArticle

tube heat exchangers
Tubes (components)
fins
Heat exchangers
heat exchangers
Thermoanalysis
Substrates
Air
Heat transfer
Reynolds number

Equilibrium contact angles of liquid droplets on ideal rough solids

Kang, H. C. & Jacobi, A. M., Dec 20 2011, In : Langmuir. 27, 24, p. 14910-14918 9 p.

Research output: Contribution to journalArticle

Contact angle
Liquids
liquids
wetting
Wetting

Investigation on intertube falling-film heat transfer and mode transitions of aqueous-alumina nanofluids

Ruan, B. & Jacobi, A. M., Feb 10 2011, In : Journal of Heat Transfer. 133, 5, 051501.

Research output: Contribution to journalArticle

Aluminum Oxide
falling
Alumina
aluminum oxides
heat transfer