A micro machined micro jet impingement cooling device

... The main objectives of this study are to simulate, fabricate and evaluate a MEMS-based micro- jet impingement cooling device using air and air/water mist spray as the cooling medium for microelectronic ... The mist jet was created using a coaxial jet atomizer, and experimental data were obtained with mist of both methanol and water They reported that surface-average heat fl...

Ngày tải lên: 16/09/2015, 14:04

... DESIGN, DEVELOPMENT AND STUDY OF OPTIMAL PARAMETERS OF A MICRO WIRE ELECTRICAL DISCHARGE MACHINING (µWEDM) DEVICE Sadiq Mohammad Alam B Sc in Mechanical Engineering, Bangladesh University of ... 9.1 Optimal range of voltage for fast machining results 132 Table 9.2 Optimal value of resistance for fast machining results 132 Table 9.3 Optimal value...

Ngày tải lên: 04/10/2015, 15:46

... MFIs amongst lower income populations The data was tabulated and analyzed through qualitative analysis of the gathered data, which reveal the behaviors and decision making patterns in lower income ... sound influence on behavioral and attitudinal aspects of individuals An in- depth analysis in each of the broad parameters revealed the following: Educational Fa...

Ngày tải lên: 06/09/2013, 05:48

... Timo Baumann and Michaela Atterer for their contributions to the project, as well as Anna Iwanow and Angelika Adam for collecting and transcribing the data used in this paper 752 References Aist, ... its internal state In the example above, the speech recogniser has to continuously add incoming audio frames to its internal state, Number dictation: a micro-domain Building a fully incre...

Ngày tải lên: 17/03/2014, 22:20

... composition of the films at the polymer /blood interface Figure 2B shows the typical XPS C1s spectrum of a flat PMMA film (PMMA1 ) The C1s spectrum of pure PMMA is the result of the convolution of four ... PMMA2 , PMMA3 and PMMA4 films Figure Whole blood flow rate in micro-fluidic experiments Whole blood flow rate in micro-fluidic experiments Volume flow rate of...

Ngày tải lên: 11/08/2014, 00:22

... become available This case presentation demonstrates that the use of a non-invasive cooling device is safe and efficient in the management of severe hyperthermia and has several advantages compared ... Disease Most common trigger Malignant neuroleptic syndrome Malignant hyperthermia Neuroleptics All volatile anaesthetics and depolarizing neuromuscular blocking agents A...

Ngày tải lên: 11/08/2014, 17:21

... share of farm income, resulting in an increase in income inequality, it has also increased the share of informal wage income, leading to a decrease in income inequality Keywords :Farmland acquisition, ... Farmland loss, nonfarm diversification and inequality: A microeconometric analysis of household surveys in Vietnam Tuyen Trana1 and Huong Vub a Univ...

Ngày tải lên: 08/08/2015, 19:16

... 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

... from ABAQUS, capacitance of the sensor shown in Figure 2.9 can be calculated analytically The whole capacitor can be regarded as many small square capacitors connected in parallel If a small capacitor ... pressure sensors With two movable diaphragms and the magnification mechanism in between, the pressure sensor has an advantage of measuring small variations under a large pr...

Ngày tải lên: 11/09/2015, 21:53

... Literature Review 2.1 Mechanical Characterization of Resin-based Dental Materials 2.1.1 Introduction 2.1.2 Dental composite restoratives and their characterization 2.1.3 Clinical relevance of material ... the mechanical characterization of resin-based dental composite restoratives Micro- indentation can be arbitrarily defined as an indent which has diagonal length...

Ngày tải lên: 12/09/2015, 09:10

... was to investigate the swirling flow and oxygen transport in a stirred micro- bioreactor A numerical model was developed to investigate the flow field and mass transport in a micro- bioreactor in ... Swirling Flow and Mass Transfer in a Micro- Bioreactor with Partially Rotating End-Wall 79 5.1 Numerical Model 80 5.2 Vortex Breakdown in a...

Ngày tải lên: 14/09/2015, 18:55

... REQUIREMENT FOR SINGLE CHIP PACKAGES (SIA, 2005) TABLE 3.1 SURFACE AREA AND BOILING HEAT TRANSFER PERFORMANCE OF VARIOUS FIN DESIGN TABLE 3.2 SURFACE AREA AND SURFACE AVERAGED BOILING HEAT TRANSFER PERFORMANCE ... C.R., Chan, M .A. , A Universal Performance Chart for CPU Cooling Devices, Heat Transfer Engineering, 2008 • Chan, M .A. , Yap, C.R., Ng, K.C., Modeling and Testing of an...

Ngày tải lên: 15/09/2015, 21:05

... –2500 mA to obtain varying values of impedance for a specified range of values of Hext The data from the impedance analyzer will finally be used to calculate the magneto-impedance (MI) ratio, ... peak-to-peak voltage, Vpp from channel for different values of Hext A graph of output peak-to-peak Voltage, Vpp (mV) against external The National University of Singapore - Department...

Ngày tải lên: 04/10/2015, 15:46

... cooling system design analyzed via boundary element models In this paper, a fast quasi-global optimization approach based on a hybrid combining the simulated annealing and the DFP method, namely ... boundary integral equation with respect to the design variables for 2D steady-state heat conduction problems and applied it to the optimal design of cooling channels in...

Ngày tải lên: 12/02/2014, 22:20

... constructs at various loads after all 3000 cycles have elapsed for the load Clavicle Pair Displacement at 180N for plate Displacement at 180N for pin Displacement at 360N for plate Displacement forat ... fixation is a less invasive alternative A retrospective clinical study by Wu et al compared plate to IM fixation for aseptic nonunions [5] A biomechanical study...

Ngày tải lên: 20/06/2014, 01:20