An experimental investigation of single and multi tool micro EDM

... historical background of EDM, an overview of the EDM process, different parameters and controllers found in EDM, recent developments in micro- EDM with respect to tools with both single and multiple electrodes ... fabrication of micro- tools, micro- components and parts with micro- features However, a number of issues remain to be solved before micro- EDM can become a reliable process with repeatable results and its ... holes and biomedical filters Micro- EDM is also employed in making micro- mould and complex 3D structures, in electronics, optical devices and in MEMS In many of these applications arrays of holes...

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An experimental investigation of performance and exhaust emission of a diesel engine fuelled with Jatropha biodiesel and its blends

... supply large volume of biodiesel, in fact, nearly half a dozen states of India have reserve a total of 1.72 million hectares of land for Jatropha cultivation and small quantities of Jatropha biodiesel ... some unreacted remainder of methanol and catalyst which if not removed can react and damage storing and fuel carrying parts During washing ester present react with water and can form soap Two to ... Figure shows Jatropha plant in Energy park of Rajiv Gandhi Proudyogiki Vishwavidyalaya (R.G.P.V.) Jatropha plant bears fruits from second year of its plantation and the economic yield stabilizes...

Numerical and experimental investigation of single and two phase impinging jet heat transfer

... NUMERICAL AND EXPERIMENTAL INVESTIGATION OF SINGLE AND TWO- PHASE IMPINGING JET HEAT TRANSFER ZHENGQUAN LOU (Bachelor, SJTU) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Micro -Impinging Jet Heat Transfer" , International Journal of Thermal Sciences, Submitted, 2005 Z.Q Lou, C Yap and A.S Mujumdar, "Numerical Investigation of Two- phase Impinging Jet Heat Transfer" , Journal of ... current investigation, the study was mainly focused on the single and twophase impinging jet heat transfer Both numerical and experimental investigations were carried out For the single phase problem,...

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

... rib arrangements on heat transfer and flow behavior in a rectangular rib roughened passage” International Journal of Heat and mass transfer; 123: 675-681, 2001 [6] Lau S.C., McMillin R.D and Han ... studies of augmented heat transfer and friction in asymmetrically heated rectangular ducts with ribs on the heated wall in transverse, inclined, V-continuous and V- discrete pattern Int Journal of Heat ... Tariq, A. , Keshav Kant and Panigrahi, P K., Heat transfer enhancement using an internally threaded tube”, Proceeding of the 4th ISHMT-ASME and 15th National Conference on Heat and Mass transfer...

Báo cáo khoa học: "an experimental study of ambiguity and context" ppt

... verbs, and adjectives; these are the major carriers of the content of any discourse, and probably more markedly exhibit ambiguities The position of the word in the sentence was varied at random, ... ber of "false" senses, obtained from dictionary entries for words of the same part of speech The average number of "correct" senses of the words in the sample was 5.6, approximately the degree of ... effect to that of the entire sentence The same procedure was used to appraise the effect of clarity on reduction of ambiguity The sample was evenly divided into words of relatively high and low clarity,...

An experimental investigation on surface characteristics of tool steel using powder mixed micro EDM

... of powder EDM process 17 2.9.1 Mechanism of powder EDM process 17 2.9.2 Influence of powder EDM in surface roughness 20 2.9.3 Influence of powder EDM in surface modification 22 2.10 Conclusion ... voltage and capacitance in powder mixed scanning micro- EDM 73 Figure 4.44 Cross section profile of maximum Peak to valley distance in (a) powder mixed die sinking, (b) powder mixed scanning micro- EDM ... normal EDM while only 25 minutes in EDM with Al powder suspension The spark gap distance depends on powder concentration, type of powder and electrical condition In general an increase in powder concentration...

The effect of personal attributes and mate preference on marriage and relationship an experimental investigation

... study the relation between personal attributes and mate preference, and shed light on their effect on mate selection and relationship satisfaction The design of our investigation and experiment can ... similarities during the process of mate selection The effect of personal attributes and mate preference on romantic and marital relationship is significant List of Tables Table 1.1 Comparison of Matching ... factors: one is personal attributes and another is mate preference, and to further our understanding about why individuals accept and reject romantic or marital relationships and how to ensure the...

An experimental investigation on hydrogen fuel injection in intake port and manifold with different EGR rates

... of injection timings and injection duration for hydrogen operation in port and manifold injection S.No Start of Injection Injection Duration Crank angle (Degrees) Time (ms) Crank angle (Degrees) ... Optimized injection data for port and manifold injection Injection Parameter Start of injection of hydrogen Hydrogen injection duration Hydrogen flow rate Exhaust gas Recalculation Port Injection 5° ... Variation of brake thermal efficiency with load for different EGR flow rate in manifold injection Table EGR flow percentages used in port and manifold injection Port injection S.No Manifold injection...

Performance enhancement of solar module by cooling: An experimental investigation

... maximum power of the module, specific to the module rating and thickness The experimental results suggest a way to improve the performance of the module by cooling of the solar modules by silicone ... Nuofu, Yang Xiaoli and Wang yu, Thermal Analysis and test for single concentrator solar cells, Journal of semiconductors,30 ( 2009) 044011 [3] Yiping Wanga, Zhenli Fanga, Li Zhu b, Qunwu Huanga, ... system consists of a solar module of 7Wp power capacity which is surrounded by glass sheets on four sides so that module surface can retain liquid on it The module properties and other experimental...

An experimental analysis of the factors impacting audit committee members' judgments and decisions

... Groff, and my committee members, Dorothy Flannagan, Elaine Sanders and Pamela Smith without whom this would not have been possible AN EXPERIMENTAL ANALYSIS OF THE FACTORS IMPACTING AUDIT COMMITTEE ... experience of the audit committee financial expert Almost half of the financial experts of the large firms sampled have held the positions of Chief Executive Officer and/ or Chairman of the Board of other ... corporate financial factors, the position of the external auditor and the level of independence and knowledge of the audit committee member The results of these studies would seem to suggest that the...

Báo cáo hóa học: " Dual-task costs while walking increase in old age for some, but not for other tasks: an experimental study of healthy young and elderly persons" pdf

... competition between walking and another visually demanding task for visual processing resources [23] Third, executive functions of the prefrontal cortex decay in Page of (page number not for citation ... underline the role of one particular training component Conclusion In an analysis of 13 combinations between a walking and a non -walking task, we found that dual-task performance is degraded in ... remote control, balancing on one leg while reading, standing up and walking while carrying a cup of water [46], etc Such training is likely to be successful, since seniors' dual-tasking abilities...

báo cáo hóa học: " Origin and consequences of brain Toll-like receptor 4 pathway stimulation in an experimental model of depression" docx

... activation in brain cortex after stress exposure in rats mRNA expression levels for TLR -4 (A) and MD-2 (C) in brain in control and after CMS Protein expression of TLR -4 (B) and MD-2 (D) in brain in control ... previously analyzed, including LPS and LBP plasma concentrations and TLR4 and MD-2 expression and mRNA levels In this vein, of special relevance is the finding that antibiotic intestinal decontamination ... the brain (A) Brain levels of the pro-inflammatory prostaglandin PGE2 (B), the anti-inflammatory one 15d-PGJ2 (C), and interleukin-1b (IL-1b) mRNA levels in control and after CMS in the brain...

Báo cáo hóa học: " Research Article Usability of Legacy p2p Multicast in Multihop Ad Hoc Networks: An Experimental Study Andrea Passarella and Franca Delmastro" pdf

... Gregori, and A Passarella, “Understanding the real behavior of Mote and 802.11 ad hoc networks: an experimental approach,” Pervasive and Mobile Computing, vol 1, no 2, pp 237–256, 2005 [4] C Tschudin, ... to multihop ad hoc networks and understand how they could be developed in practice From this standpoint, GC applications are quite interesting They ﬁt well the overall features of multihop ad hoc ... http://www.cs.ucla.edu/NRL/wireless/PAPER/ draft-ietf-manet-odmrp-02.txt S Yang and J Wu, “New technologies of multicasting in MANET,” in Design and Analysis of Wireless Networks, Y Xiao and Y Pan, Eds., Nova, Baltimore,...

measurement and comparison of credit risk by a markov chain an empirical investigation of bank loans in taiwan

... International Bank; (20) Land Bank of Taiwan; (21) International Bank of Taipei; (22) Ta Chong Bank Ltd.; (23) Taiwan Cooperative Bank; (24) Taipei Fubon Commercial Bank; (25) Taishin International ... probability of bank loans in Taiwan: an empirical investigation by Markov chain model”, Asia Pacific Management Review, 11(2), pp.405-413 Madan, D and H Unal, 1995 “Pricing the risks of default”, ... loan rates and risk- free rates were not normal The 28 domestic banks include: (1) Agricultural Bank of Taiwan; (2) Bank of Taiwan; (3) Bank of Overseas Chinese; (4) Bank of Sinopac Company Ltd.;...

báo cáo khoa học: "An epidemiological investigation of leukemia incidence between 2003 and 2007 in Nanjing, China" pdf

... detailed information of the leukemia epidemiology in Nanjing during the period 2003- 2007 Long-term follow-up investigations are needed for better understanding of characteristics of leukemia in Nanjing, ... Command, Nanjing, PR China, 5Department of Hematology, Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing, PR China, 6Department of Hematology, Nanjing First Hospital, Nanjing, ... as: Chen et al., An epidemiological investigation of leukemia incidence between 2003 and 2007 in Nanjing, China Journal of Hematology & Oncology 2010, 3:21 Page of ...

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