Method and apparatus for heat extraction by controlled spray cooling

Edwards, Christopher Francis; Meeks, Ellen; Kee, Robert; McCarty, Kevin

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A - human necessities
A01 - agriculture
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Title: Method and apparatus for heat extraction by controlled spray cooling

Abstract

Two solutions to the problem of cooling a high temperature, high heat flux surface using controlled spray cooling are presented for use on a mandrel. In the first embodiment, spray cooling is used to provide a varying isothermal boundary layer on the side portions of a mandrel by providing that the spray can be moved axially along the mandrel. In the second embodiment, a spray of coolant is directed to the lower temperature surface of the mandrel. By taking advantage of super-Leidenfrost cooling, the temperature of the high temperature surface of the mandrel can be controlled by varying the mass flux rate of coolant droplets. The invention has particular applicability to the field of diamond synthesis using chemical vapor deposition techniques.

Inventors:

Edwards, Christopher Francis ^[1]; Meeks, Ellen ^[2]; Kee, Robert ^[3]; McCarty, Kevin ^[2]

5492 Lenore Ave., Livermore, Alameda County, CA 94550
304 Daisyfield Dr., Livermore, Alameda County, CA 94550
864 Lucille St., Livermore, Alameda County, CA 94550

Issue Date:: 1999-01-01

Research Org.:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

OSTI Identifier:: 872696

Patent Number(s):: 5992159

Assignee:: Edwards, Christopher Francis (5492 Lenore Ave., Livermore, Alameda County, CA 94550);Meeks, Ellen (304 Daisyfield Dr., Livermore, Alameda County, CA 94550);Kee, Robert (864 Lucille St., Livermore, Alameda County, CA 94550);McCarty, Kevin (304 Daisyfield Dr., Livermore, Alameda County, CA 94550)

Patent Classifications (CPCs):: C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

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C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C21D1/667 - for spray quenching
C21D11/00 - Process control or regulation for heat treatments

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/275 - {using combustion torches}

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F13/02 - by influencing fluid boundary

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DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; apparatus; heat; extraction; controlled; spray; cooling; solutions; temperature; flux; surface; mandrel; embodiment; provide; varying; isothermal; boundary; layer; portions; providing; moved; axially; coolant; directed; taking; advantage; super-leidenfrost; mass; rate; droplets; particular; applicability; field; diamond; synthesis; chemical; vapor; deposition; techniques; spray cooling; mass flux; heat flux; chemical vapor; vapor deposition; deposition techniques; boundary layer; moved axially; taking advantage; deposition technique; flux surface; flux rate; controlled spray; /62/134/266/

Citation Formats


                    Edwards, Christopher Francis, Meeks, Ellen, Kee, Robert, and McCarty, Kevin. Method and apparatus for heat extraction by controlled spray cooling.  United States: N. p., 1999. 
        Web.

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                    Edwards, Christopher Francis, Meeks, Ellen, Kee, Robert, & McCarty, Kevin. Method and apparatus for heat extraction by controlled spray cooling.  United States.

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                    Edwards, Christopher Francis, Meeks, Ellen, Kee, Robert, and McCarty, Kevin. Fri .  
        "Method and apparatus for heat extraction by controlled spray cooling".  United States.  https://www.osti.gov/servlets/purl/872696.

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@article{osti_872696,

  title        = {Method and apparatus for heat extraction by controlled spray cooling},

  author       = {Edwards, Christopher Francis and Meeks, Ellen and Kee, Robert and McCarty, Kevin},

  abstractNote = {Two solutions to the problem of cooling a high temperature, high heat flux surface using controlled spray cooling are presented for use on a mandrel. In the first embodiment, spray cooling is used to provide a varying isothermal boundary layer on the side portions of a mandrel by providing that the spray can be moved axially along the mandrel. In the second embodiment, a spray of coolant is directed to the lower temperature surface of the mandrel. By taking advantage of super-Leidenfrost cooling, the temperature of the high temperature surface of the mandrel can be controlled by varying the mass flux rate of coolant droplets. The invention has particular applicability to the field of diamond synthesis using chemical vapor deposition techniques.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1999},

  month        = {1}

}

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Works referenced in this record:

Mechanisms of film boiling heat transfer of normally impacting spray
journal, February 1987

Choi, K. J.; Yao, S. C.
International Journal of Heat and Mass Transfer, Vol. 30, Issue 2
https://doi.org/10.1016/0017-9310(87)90119-0

Leidenfrost Temperature and Heat-Transfer Coefficients for Water Sprays Impinging on a hot Surface
conference, January 1974

Hoogendoorn, Charles J.; den Hond, R.
Proceeding of International Heat Transfer Conference 5
https://doi.org/10.1615/IHTC5.350

Controlled deposition of diamond from an acetylene-oxygen combustion flame
journal, May 1993

Schermer, J. J.; Hogenkamp, J. E. M.; Otter, G. C. J.
Diamond and Related Materials, Vol. 2, Issue 8
https://doi.org/10.1016/0925-9635(93)90160-4

High-heat-flux, low-superheat evaporative spray cooling
conference, February 2013

Pais, M.; Tilton, D.; Chow, L.
27th Aerospace Sciences Meeting
https://doi.org/10.2514/6.1989-241

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Title: Method and apparatus for heat extraction by controlled spray cooling

Abstract

Citation Formats

Mechanisms of film boiling heat transfer of normally impacting spray journal, February 1987

Leidenfrost Temperature and Heat-Transfer Coefficients for Water Sprays Impinging on a hot Surface conference, January 1974

Controlled deposition of diamond from an acetylene-oxygen combustion flame journal, May 1993

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Mechanisms of film boiling heat transfer of normally impacting spray
journal, February 1987

Leidenfrost Temperature and Heat-Transfer Coefficients for Water Sprays Impinging on a hot Surface
conference, January 1974

Controlled deposition of diamond from an acetylene-oxygen combustion flame
journal, May 1993

High-heat-flux, low-superheat evaporative spray cooling
conference, February 2013