Thermal transport investigation and parametric study in cylindrical oblique fin minichannel heat sink

... conventional straight fin and cylindrical oblique fin minichannel heat sink 84 Figure 4-10 Pressure drop for conventional straight fin and cylindrical oblique- finned minichannel heat sink ... straight fin minichannel and cylindrical oblique fin minichannel 56 Figure 3-10 local heat flux profile between conventional straight fin minichannel an...

Ngày tải lên: 09/09/2015, 11:26

... used to analyse and evaluate the performance of a planar and a tubular-shaped PEM fuel cell 2.1 Computational domain The full computational domains for the planar and tubular-shaped PEM fuel cell ... conditions are specified at all external boundaries of the computational domain as well as boundaries for various mass and scalar equations inside the computationa...

Ngày tải lên: 05/09/2013, 14:58

... murine brain: (1) The first part of the experimental study was designed to investigate a potential role of TNF-dependent regulation of intracranial IL-18 expression in a standardized model of ... used as internal control and untreated control animals (n = 10) were analyzed for baseline evaluation of intracerebral cytokine profiles in these mice (2) In the...

Ngày tải lên: 19/06/2014, 22:20

... by transmission electron microscopy and stereology, as performed in the present study, allows a qualitative and quantitative analysis of the intraalveolar as well as the intracellular surfactant ... micrographs demonstrate the ultrastructural appearance of type II cells and intracellular surfactantstoring lamellar bodies (Fig 2) and intraalveolar surfacta...

Ngày tải lên: 12/08/2014, 15:20

... convective and diffusive heat and mass transfer, electrode kinetics, transport and phase-change mechanism of water, and potential fields in a micro PEM fuel cell with nature inspired gas flow channels ... fuel cells J Power Sources, 2004, 125(2), 40–51 [16] Maher A. R Sadiq Al-Baghdadi A CFD analysis of transport phenomena and electrochemical...

Ngày tải lên: 09/09/2015, 10:17

... society problem in the 21st century Thermoelectric phenomena involve the conversion between the thermal energy and electrical energy and provide a method for heating and cooling materials Thermoelectric ... the thermal conductivity decreases rapidly with increasing doping, and 10% doping can yield 50% reduction of the value of thermal conductivity; while in the high...

Ngày tải lên: 10/09/2015, 08:24

... the understanding of underlying physics in PnCs and the controlling of phonon transport in PnCs In this thesis, I will investigate the thermal transport of nanoscale 2D and 3D PnCs using the classical ... the thermal conductivity of two-dimensional (2D) and three-dimensional (3D) nanoscale PnCs and understanding the underlying physical mechanism Moreover, the ele...

Ngày tải lên: 09/09/2015, 11:26

... of Figures ix Introduction 1.1 Thermal Transport in Low- Dimensional Systems 1.1.1 Thermal Transport in 1D Chains 1.1.2 Thermal Transport in Quasi-1D Nano -Structures ... THERMAL TRANSPORT IN LOW DIMENSIONAL GRADED STRUCTURES AND SILICON NANOWIRES YANG NUO B.S (UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA) 2000 M.ENG (CHINESE ACADEMY OF SCIENCE) ....

Ngày tải lên: 11/09/2015, 09:03

... study the degradation behavior in ultrapure water, drinking water, rain water, river water and seawater under various pH and irradiation sources (sunlight, darkness, indoor incandescent lighting and ... propham (66 %), which probably underwent thermal degradation under the extraction conditions The results indicate that although carbamates tested in this study are thermally...

Ngày tải lên: 16/09/2015, 17:13

... freedom for the assignment of the variables under consideration The assignment of the main variables (A, B, C and D), two-variable interaction, and the level setting values of the main variables ... optimization of the MAE conditions To apply these techniques in practical applications, in this chapter I 138 demonstrated the application of these techniques...

Ngày tải lên: 16/09/2015, 17:13

... 88 An interesting result observed from Fig 4- 6 is that in the same solvent, the recovery increases in going from PAHs to PCBs, and then to triazines (i.e, increasing polarity of analyte) The recovery ... 88.1±3.7 89.8±3.2 91 .4 3.0 93.5 4. 5 41 .0±3.8 18 .4 4. 0 10 80.0±3.6 84. 2 4. 5 89.2±5.0 90.2 4. 0 93.2±2.9 94. 6±3.7 36.8±2.8 15.2±2 .4 15 79 .4 5.0 84. 6±3.6 86.6±3.6 87...

Ngày tải lên: 16/09/2015, 17:13

... 160.9 31 8.2 250.6 53. 3 3. 07 2.1 1. 43 60 52 45 * at pH 10.5, units of k and t1/2 are s-1 and s, respectively a incandescent lighting 64 3. 3 .3 Degradation of Propoxur in Natural Water In order to provide ... light intensity affects the K and t½ in each natural water sample K increases and t½ decreases accordingly when the light intensity increases in the ord...

Ngày tải lên: 16/09/2015, 17:13

... levels of the target analysts in soil samples before spiking 2. 3 .2. 2 Freshly spiked soils Freshly spiked soil samples were prepared by adding an appropriate volume of spiking solutions into the ... possible traces of PAHs, PCBs, triazines, carbamates and other organic contaminants, 100 g of each of the soil sample was immersed in 20 0 ml 46 each of methanol,...

Ngày tải lên: 16/09/2015, 17:13

... From Table 1- 5, it can be seen that various classes of pesticides have been determined by employing either LC-ESI-MS [11 1 -11 7, 12 1, 12 3] or LC-APCI-MS [11 8, 11 9, 12 2] The combination of SPE with ... ESI–PI–MS 5 10 11 6 GW off-line, 1L, SPE, ESI–NI–MS 5 10 11 5 SW off-line, 0.2L, SPE, ESI–PI–MS 20–30 11 7 Imidazolinone DW off-line, 2L, SPE, ESI–PI–MS about 11 3 Phenoxy...

Ngày tải lên: 16/09/2015, 17:13