نتایج جستجو برای: local thermal non

تعداد نتایج: 1972065  

1993
B. Harms Y. Leblanc

Non-local (α ′) corrections to Schwarzschild black holes are shown to invalidate the thermodynamical interpretation of black holes. In particular, the canonical and Bekenstein-Hawking temperatures are not equal. The particle number density of fields quantized in the (α ′ modified) black hole background is no longer thermal. In the non-perturbative region α ′ → ∞ (or M → 0), an analytic continua...

Journal: :Journal of B.U.ON. : official journal of the Balkan Union of Oncology 2017
Loukia S Poulou Loukas Thanos Panayiotis D Ziakas Emmanouel Merikas Apostolos Achimastos Constantine Gennatas Konstantinos N Syrigos

PURPOSE Local thermal ablation may extend the scope of palliative therapy in patients with colorectal liver metastasis. We performed a retrospective, case-controlled study to compare patients with colorectal liver metastases that were treated with percutaneous radiofrequency (RF) or microwave (MW) thermal ablation, against the control group of chemotherapy alone. METHODS We described baseline...

2017
Graeme Hunt Nader Karimi Mohsen Torabi

Heat transfer and entropy generation are analysed theoretically in a thermal model of microreactors accommodating processes with large heat of reaction. This includes an asymmetric, thick wall, partially-filled porous microchannel under local thermal non-equilibrium. The system features exothermicity/endothermicity within the solid and fluid phases to represent heat of chemical reactions and ab...

2014
P. Wang K. Vafai D. Y. Liu C. Xu

Forced convective heat transfer in a packed bed in the presence of collimated irradiation and under local thermal non-equilibrium is analyzed in this work. Both the collimated and diffusive radiative transfer processes are accounted for using the modified P-1 approximation. Two boundary condition models considering different limiting conditions at the wall which couple radiation and convection ...

2009
E. Rothgang W. D. Gilson J. Roland J. Hornegger C. H. Lorenz

Introduction In interventional oncology, thermal ablations are increasingly used for minimally invasive local treatment of solid malignancies, supplementing systemic treatment strategies such as chemotherapy and immunotherapy. The goal of all thermal ablation procedures is to cause cell death of disease tissue while sparing adjacent healthy tissue. Continuous thermometry allowing real-time asse...

2015
Hao Cao David J. Stevenson

Any non-spherical distribution of density inside planets and stars gives rise to a non-spherical external gravity and change of shape. If part or all of the observed zonal flows at the cloud deck of Jupiter and Saturn represent deep interior dynamics, then the density perturbations associated with the deep zonal flows could generate gravitational signals detectable by the Juno mission and the C...

Journal: :Journal of High Energy Physics 2019

2008
M. Chen

We present a theory that describes the non-local heat transport and associated thermal smoothing modeling the non-uniform laser illumination by solving the steady state Fokker-Planck (FP) equation. A method that connects higher order Chapman-Enskog expansion for low energy electrons and convolution formula for high energy ones through the self-consistent determination of the electric field is d...

2012
Kambiz Vafai Kun Yang

This work address a number of fundamental issues and concepts related to local thermal non-equilibrium and the heat flux bifurcation phenomenon in porous media. Different types of heat flux bifurcation phenomenon are discussed in relation to previous works by the authors.

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