Search Results - "Klett, James W"

The role of precursor modification on the production of graphite foam by Klett, James W.

“…A high-conductivity graphite foam developed at Oak Ridge National Laboratory (ORNL) exhibits properties indicative of highly graphitic structure. Similar to…”
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Design, additive manufacturing, and performance of heat exchanger with a novel flow-path architecture by Sabau, Adrian S., Bejan, Adrian, Brownell, David, Gluesenkamp, Kyle, Murphy, Bart, List, Fred, Carver, Keith, Schaich, Charles R., Klett, James W.

“…•A novel heat exchanger architecture was proposed, fabricated, and twenty one tests conducted.•Fluid pathway through the heat exchanger changes from tube-flow…”
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Converting PBO fibers into carbon fibers by ultrafast carbonization by Zhang, Liwen, Kowalik, Małgorzata, Gao, Zan, Ashraf, Chowdhury M., Rajabpour, Siavash, Bumgardner, Clifton, Schwab, Yosyp, Damirchi, Behzad, Zhu, Jiadeng, Akbarian, Dooman, Klett, James W., van Duin, Adri C.T., Li, Xiaodong

“…We report an ultrafast transformation of poly(p-phenylene-2,6-benzobisoxazole) (PBO) fibers into carbon fibers (CFs) by direct carbonization that eliminates…”
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Unveiling Carbon Ring Structure Formation Mechanisms in Polyacrylonitrile-Derived Carbon Fibers by Zhu, Jiadeng, Gao, Zan, Kowalik, Malgorzata, Joshi, Kaushik, Ashraf, Chowdhury M, Arefev, Mikhail I, Schwab, Yosyp, Bumgardner, Clifton, Brown, Kenneth, Burden, Diana Elizabeth, Zhang, Liwen, Klett, James W, Zhigilei, Leonid V, van Duin, Adri C. T, Li, Xiaodong

“…As the demand for electric vehicles (EVs) and autonomous vehicles (AVs) rapidly grows, lower-cost, lighter, and stronger carbon fibers (CFs) are urgently…”
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Novel evaporator architecture with entrance-length crossflow-paths for supercritical Organic Rankine Cycles by Sabau, Adrian S., Nejad, Ali H., Klett, James W., Bejan, Adrian, Ekici, Kivanc

“…•Introduced new multi-scale heat exchangers based on thermal entrance length flow paths.•Estimated the cost of newly designed heat exchangers by considering…”
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Carbon foams for thermal management by Gallego, Nidia C, Klett, James W

“…A unique process for the fabrication of high-thermal-conductivity carbon foam was developed at Oak Ridge National Laboratory (ORNL). This process does not…”
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Alumina‐based filters made via binder jet 3D printing of alumina powder, colloidal silica infiltration, and sintering by Cramer, Corson L., Armstrong, Beth L., Trofimov, Artem A., Wang, Peter L., Siddel, Derek H., Wang, Hsin, Cakmak, Ercan, Klett, James W., Elliott, Amy M.

“…Alumina‐based, porous filter media was made via a binder jet 3D printing process consisting of an alumina powder printing step with subsequent heating,…”
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Evaluation of the electrochemical stability of graphite foams as current collectors for lead acid batteries by Jang, Young-Il, Dudney, Nancy J., Tiegs, Terry N., Klett, James W.

“…Graphite foams with high electrical and thermal conductivities, good mechanical strength, and low mass have been synthesized and evaluated as possible current…”
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Effects of heat treatment conditions on the thermal properties of mesophase pitch-derived graphitic foams by Klett, James W, McMillan, April D, Gallego, Nidia C, Burchell, Timothy D, Walls, Claudia A

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The role of precursor modification on the production of graphite foam by Klett, James W.

“…A high-conductivity graphite foam developed at Oak Ridge National Laboratory (ORNL) owes its unique thermal properties to the highly aligned graphitic…”
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Irradiation effects on graphite foam by Gallego, Nidia C., Burchell, Timothy D., Klett, James W.

“…The solid state reactor is an advanced reactor concept that takes advantage of newly developed materials with enhanced heat transfer characteristics to provide…”
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Novel evaporator architecture with entrance-length crossflow-paths for supercritical Organic Rankine Cycles by Sabau, Adrian S., Nejad, Ali H., Klett, James W., Bejan, Adrian, Ekici, Kivanc

“…Here in this article, a novel geometry is proposed for evaporators that are used in Supercritical Organic Rankine Cycles. The proposed geometry consists of…”
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Estimation of the thermal conductivity of composites by ERVIN, V. J, KLETT, J. W, MUNDT, C. M

“…In this article we introduce the concept of homogenization for the approximation of the effective thermal conductivity of composites. A simple algebraic…”
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Converting PBO fibers into carbon fibers by ultrafast carbonization by Zhang, Liwen, Kowalik, Małgorzata, Gao, Zan, Ashraf, Chowdhury M., Rajabpour, Siavash, Bumgardner, Clifton, Schwab, Yosyp, Damirchi, Behzad, Zhu, Jiadeng, Akbarian, Dooman, Klett, James W., van Duin, Adri C. T., Li, Xiaodong

“…Here, we report an ultrafast transformation of poly(p-phenylene-2,6-benzobisoxazole) (PBO) fibers into car- bon fibers (CFs) by direct carbonization that…”
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Microcellular graphitic carbon foams for next generation structures and thermal management by Anderson, D.P., Kearns, K.M., Klett, J.W., Roy, A.K.

“…Microcellular, open cell foams can be produced from anisotropic pitch with graphitic planes aligned along the struts. The process sequence includes blowing,…”
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Parametric investigation of a graphite foam evaporator in a thermosyphon with fluorinert and a silicon CMOS chip by Klett, J.W., Trammell, M.

“…High thermal conductivity graphitic foam was utilized as the evaporator in a modified thermosyphon. The foam was soldered directly to the back of a silicon…”
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Addendum: Modular heat sinks for desktop computers and other electronics by Klett, J.W., Trammell, M.

“…The evaporative cooling technique described in this paper is uniquely suited to systems where the chip or actual electronic device can be bonded directly to…”
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