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On the error of calculation of heat gains through walls by methods using consta...

A transient heat transfer model was developed to numerically predict the thermal behaviour of the external walls of a room under realistic outdoor conditions. The excitation is not simply sinusoidal even though it is considered to have daily periodicity. The numerical model is based on the finite difference method and handles one-dimensional heat conduction through multilayered walls. The boundary condition at ...

Usefulness of Perfusion CT to Assess Response to Neoadjuvant Combined Chemoradi...

RATIONALE AND OBJECTIVES: To prospectively evaluate perfusion computed tomography (CT) for assessment of changes in tumor vascularity after chemoradiation therapy (CRT) in locally advanced rectal cancer and to analyze the correlation between baseline perfusion parameters and tumor response. MATERIALS AND METHODS: Twenty patients with rectal cancer underwent baseline perfusion CT before CRT, and in 11 an examin...

Giant aneurysm of the left renal artery: Case 8067

Choledocal cysts: spectrum of imaging findings

On the validity of lumped capacitance approaches for the numerical prediction o...

In the present work, a detailed model of simultaneous heat and mass transfer through a desiccant micro-porous medium of a channel wall of compact heat and mass exchangers, such as desiccant wheels, was developed. The relevant phenomena considered by this model within the porous medium are surface diffusion of the adsorbed water, Knudsen diffusion of water vapour, heat conduction and the sorption process. A one-...

Study of functional equivalence of the quality of life index: transplant version

Comparison of quality of life between young adults submitted to renal transplan...