thermal conductivity of bismuth telluride nanowire array epoxy composite
... ZT value of the nanowire, m is the thermal conductivity of the matrix, nw is thermal conductivity of the nanowire, and f nw is the volume filling fraction of the nanowires in the composite. ... Nanotechnology Center Birck and NCN Publications Purdue Libraries Year 2009 Thermal conductivity of bismuth telluride nanowire array- epoxy composite Kalapi G. B...
Ngày tải lên: 06/05/2014, 08:54
thermal conductivity of bismuth telluride nanowire array epoxy composite
... ZT value of the nanowire, m is the thermal conductivity of the matrix, nw is thermal conductivity of the nanowire, and f nw is the volume filling fraction of the nanowires in the composite. ... Nanotechnology Center Birck and NCN Publications Purdue Libraries Year 2009 Thermal conductivity of bismuth telluride nanowire array- epoxy composite Kalapi G. B...
Ngày tải lên: 06/05/2014, 08:58
... 80% of the total lattice thermal conductivity. Figure 6(b) shows the contribu- tions to lattice thermal conductivity of different phonon wave- lengths, indicating that about 80% of the thermal conductivity ... Integration of the whole cylindrical disk to estimate the total thermal conductivity. Fig. 5 Inverse of lattice thermal conductivity obtained based on Eq. (...
Ngày tải lên: 06/05/2014, 08:54
... CNT array porosity. However, solid solutions of Bi 2 Te 3 or other classes of TE materials with reduced thermal conductivity might still benefit from this strategy. For example, the thermal conductivity ... interface resistance was about 3% of the TE film thermal resistance (0.23 K W À1 , corresponding to a measured thermal conductivity of 1.5 W (m K) À1 at 350 K). The h...
Ngày tải lên: 06/05/2014, 08:58
growth of monoclinic wo3 nanowire array for highly
... under a pressure of 13–15 Torr with an air flow of 200 sccm at a temperature of 1000 C. Fig. 1 shows typical FESEM images of an as-synthesized nanowire array grown on Si substrate. Nanowires are ... temperature. The nanowire grew on top of WO 3 nanoparticle seed layers, forming a quasi- aligned nanowire array. The nanowires were single crystalline with monoclinic structure...
Ngày tải lên: 19/03/2014, 16:48
measurement of in plane thermal conductivity of ultrathin films using micro raman spectroscopy
... scattering for reducing the in- plane thermal conductivity of Bi films. The measured in-plane thermal conductivity value of the ∼20-nm films, 11 W/mK, is close to those of the thickest Bi films measured ... the in-plane thermal conductivity of Bi films. Downloaded by [Purdue University] at 09:34 21 April 2014 IN-PLANE THERMAL CONDUCTIVITY 191 0 1 2 3 4 5 6 7 8 0 5 10 15 2...
Ngày tải lên: 06/05/2014, 08:54
thermal conductivity of nanoparticle fluid mixture
... considered a Effective thermal conductivity of the mixture k e , thermal conductivity of the uid k f , ratio of thermal conductivity of particle to thermal conductivity o f uid ®, and volume fraction of particles ... shows the ratios of the thermal conductivity o f the mixture k e to the thermal conductivityof the correspondingbase uid k f . For all of...
Ngày tải lên: 06/05/2014, 08:54
thermal conductivity of nanoparticle fluid mixture
... considered a Effective thermal conductivity of the mixture k e , thermal conductivity of the uid k f , ratio of thermal conductivity of particle to thermal conductivity o f uid ®, and volume fraction of particles ... shows the ratios of the thermal conductivity o f the mixture k e to the thermal conductivityof the correspondingbase uid k f . For all of...
Ngày tải lên: 06/05/2014, 08:58
thermal conductivity of nanoparticle fluid mixture
... considered a Effective thermal conductivity of the mixture k e , thermal conductivity of the uid k f , ratio of thermal conductivity of particle to thermal conductivity o f uid ®, and volume fraction of particles ... shows the ratios of the thermal conductivity o f the mixture k e to the thermal conductivityof the correspondingbase uid k f . For all of...
Ngày tải lên: 06/05/2014, 09:02
Fabrication of a porous polyimide membrane using a silicon nanowire array as a template
... describe the preparation of a porous polyimide membrane using a vertically oriented silicon nanowire (SiNW) array as a template. Since the diameters and densities of silicon nanowires can be controlled, polyimide ... silicon nanowire arrays as templates; (a) synthesis of silicon nanowires, (b) polyimide coating, (c) polyimide etching with O 2 plasma, and (d) silicon etching with X...
Ngày tải lên: 16/03/2014, 15:10