... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of ... SOFC BOP system (S/C=1.7, O/C=0.3, fuel utilization = 64.2%, electrical conversion efficiency = 44%) Design of SOFC BOP components The BOP components of a SOFC system account for between 50% and ... provided by the anode off-gas given an anode off-gas temperature of less than 650 oC, a cathode off-gas temperature of less than 390 oC, and a flame barrier temperature of less than 700 oC However,...
Ngày tải lên: 05/09/2013, 16:10
... DESIGN AND DEVELOPMENT OF MEDICAL ELECTRONIC INSTRUMENTATION DESIGN AND DEVELOPMENT OF MEDICAL ELECTRONIC INSTRUMENTATION A Practical Perspective of the Design, Construction, and Test of Medical ... issue of safety in the development of electronic medical devices, bypassing the difficult math and providing lots of insider advice In Chapter we present the development of amplifiers designed ... responsibility for the use of these circuits and/ or software or of systems incorporating these circuits and/ or software lies with the reader, who must apply for any and all approvals and certifications...
Ngày tải lên: 29/03/2014, 11:20
Design and development of a medical parallel robotfor cardiopulmonary resuscitation
... R and allows the calculation of the values of R and H in sequence B Design Variables and Objective Function The architectural parameters of a 3-PUU TPM involve the sizes of base platform (a) and ... Mechanics of Serial and Parallel Manipulators New York: Wiley, 1999 J.-P Merlet, Parallel Robots London, U.K.: Kluwer, 2000 Y Fang and L W Tsai, “Structure synthesis of a class of 4-DoF and 5-DoF parallel ... condition of self-locking, i.e., the lead angle of the lead screw is less than the angle of friction, so as to ensure that the nut is self-locking when the lead screw is LI AND XU: DESIGN AND DEVELOPMENT...
Ngày tải lên: 04/08/2014, 09:54
Formulation design and development of transdermal delivery system nanoemulsion of schizandrol a
... preformulation and solubility profile of schizandrol A Physicochemical properties of schizandrol A will be examined, focusing on elemental, phase and thermal analysis Solubility of schizandrol A in ... Combination of sucrose laurate and cosolvent 96 4.2.4.3 Combination of sucrose laurate and cyclodextrin 98 4.2.5 Solubility of schizandrol A in oils 100 4.2.6 Stability of schizandrol A ... Impact of the homogenizer operating pressure and number of homogenization passes, concentration of oil and surfactant, and the type of cosurfactant were studied respectively Droplet size and polydispersity...
Ngày tải lên: 10/09/2015, 09:03
Chapter 2 literature review design and development of tissue engineering scafflods using rapid prototyping technology
... et al, 1979; Warren and Kraynik, 1987) and foams (Patel and Finnie, 1970; Menges and Knipschild, 1975; Warren and Kraynik, 1988) with a wide range of materials, structures and density, have been ... heavily relies on user skills and experiences and thus often results in non-uniformity and poor repeatability of the scaffold architectures and properties Reproducibility of Processing Procedures: ... diisocyanate and isophorone diisocyanate Depending on the type of dispenser head, a variety of materials can be used to build scaffolds Landers and Rolf (2000) have made use of a wide variety of polymer...
Ngày tải lên: 14/09/2015, 10:20
Chapter 4 results discussions design and development of tissue engineering scafflods using rapid prototyping technology
... with 0/90 lay-down pattern and 66% porosity had compressive stiffness and 1% offset yield strength of 29.8±1.50 and 2.3±0.12 MPa, respectively in air, and of 20.06±0.90 and 1.45±0.08 MPa, respectively ... temperature, increase of extrusion pressure caused the increase of RW and thus decreased the pore size and porosity (Table 4.5) at a given condition of temperature and speed An increase of pressure from ... Figure 4.11: Influence of extrusion pressure on RW and porosity of the scaffolds fabricated with lay-down pattern of 0/90 and nozzle size of 500 µm 113 Chapter Four: Results and Discussions RW Porosity...
Ngày tải lên: 14/09/2015, 10:23
Chapter 5 conclusions recommendations design and development of tissue engineering scafflods using rapid prototyping technology
... of the polymer components The scaffold processing demonstrated in one hand, the efficacy of the DRBRP technique to process a wide range of biopolymers and on the other hand, the feasibility of ... Most of the established RP systems mainly focus on a single mode of material and/ or scaffold processing The DRBRP was designed to give the user freedom to process a large variety of polymers and/ or ... architecture, and fully interconnected and controllable pore channel The copolymer had the potential to modulate hydrophilicity and/ or degradability and consequently, the biomechanical properties of the...
Ngày tải lên: 14/09/2015, 10:23
Design and development of tissue engineering scafflods using rapid prototyping technology chapter 3
... samples for each type of material were analyzed 57 Chapter Three: Materials and Methods DSC analysis provided the melting point and degree of crystallinity of the material The degree of crystallinity ... PCL-PEG) and a series of FDs (1.0, 1.25 & 1.5 mm) applying the liquefier temperature, extrusion pressure and 69 Chapter Three: Materials and Methods deposition speed of 90°C, 4.0 bars and 300 ... 78 Chapter Three: Materials and Methods ILV loading, one layer out of every layers of filaments was aligned in the direction of loading and normal to the direction of loading As at the end, the...
Ngày tải lên: 14/09/2015, 11:12
Design and development of tissue engineering scafflods using rapid prototyping technology
... treatment of tissues/organs in malfunction, one of the challenges in the field of tissue engineering is the design of various types of scaffolds that can mimic the structure and biological functions of ... at the site of implantation e) Be easily fabricated to form a variety of shapes and sizes In the early days of tissue engineering, FDA approved devices and implants made of polymers of synthetic ... natural extracellular matrix comprised of a complex mixture of pores, ridges, fibres and networks Fundamental understanding of interactions between cells and their living environments, such as...
Ngày tải lên: 14/09/2015, 11:12
Hyperscsi design and development of a new protocol for storage networking
... HYPERSCSI: DESIGN AND DEVELOPMENT OF A PROTOCOL FOR STORAGE NETWORKING WANG YONG HONG WILSON (M.Eng, B.Eng) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... The design of a new storage networking protocol, HyperSCSI, which addresses the demands and concerns of storage applications over generic networks • A detailed architectural development and implementation ... stable, and independent of the host address The latter property allows entities to be migrated and handled independently of network layer addressing, facilitating process migration, and mobile and...
Ngày tải lên: 16/09/2015, 15:54
Design and development of a self balancing bicycle using control moment gyro
... amount of torque that the CMG could generate, a flywheel was designed in Computer Aided Design (CAD) software and to be made of brass; due to its high density The flywheel designed polar moment of ... polar moment of inertia around c.g and 𝐼𝑟 is the flywheel radial moment of inertia around c.g., 𝑚𝑏 is the mass of the bicycle, and 𝑚𝑓 is the mass of the flywheel 𝐼𝑏 is the bicycle moment of inertia ... steering handlebar Based on the amount of roll, a controller controls the amount of torque applied to the handlebar to balance the bicycle Advantages of such a system include low mass and low energy...
Ngày tải lên: 02/10/2015, 17:14
Design and development of a bench top electro adsorption chiller
... thermisters and RTD sensors TIC controller unit is used to monitor the pressure of evaporator, reactor beds and condenser Agilent and TIC controller softwares are 29 Chapter Design, development and fabrication ... University of Singapore for the research scholarship during the course of his candidature He thanks Dr Wang Xiaolin, Anutosh Chakraborty (Ph.D Canditade) and Mr R Sacadevan (Laboratory officer of Air ... Performance of an electro-adsorption chiller 13 Chapter Design, development and fabrication of an electro-adsorption chiller 15 3.1 Introduction 15 3.2 Characteristic of major units 15 ii Table of contents...
Ngày tải lên: 04/10/2015, 10:25
Design and development of a bioreactor for ligament tissue engineering
... as better understanding of tissue development and the mechanisms of disease, off-the-shelf provision of essential transplantable tissue and scale-up for commercial production of engineered tissues ... collagen types I and III, as well as tenascin-C, 23 orientation of ECM, and the absence of mRNA expression of bone sialoprotein and collagen type II, typical markers of respectively bone and cartilage ... introduction of biochemical and physical regulatory signals to guide 17 cell differentiation, proliferation and tissue development As such, engineering of tissue ex vivo in a well-designed, accurate, and...
Ngày tải lên: 04/10/2015, 10:25
Design and development of a CMOS power amplifier for digital applications
... dimensions scale down and fT and fmax scale up, a Design and Development of a CMOS Power Amplifier for Digital Applications CHAPTER 1: Introduction great deal of interest and research has been ... voltage The nonlinear effects of the drain to bulk capacitance have been studied and a set of modified design equations has been given [20] Design and Development of a CMOS Power Amplifier for ... includes studying of the basics of power amplifiers and designing a fully integrated power amplifier The power amplifier designed would aim to satisfy the specifications of the Bluetooth Standard 1.3...
Ngày tải lên: 04/10/2015, 10:25
Design and development of a social robotic head dorothy
... DESIGN AND DEVELOPMENT OF A SOCIAL ROBOTIC HEAD – DOROTHY DAI DONGJIAO (B.Eng.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING ... co-supervisor, Prof Budiman Sastra (Adjunct Research Professor, Division of Engineering and Technology Management, National University of Singapore), for his professional guidance and invaluable ... Cabibihan (Associate Professor, Department of Electrical & Computer Engineering, National University of Singapore), who guided me and helped a lot in the design of the skin for Doris and Dorothy Next,...
Ngày tải lên: 04/10/2015, 10:26
Design and development of an autonomous omni directional mobile robot
... computer aided design (Figure 4) was visualized and constructed This allowed a better understanding in the design and details of the various parts be it the screws, dimensions and materials The ... lego robots and it is now known whether is able to handle greater amount of loading as it is intended for a car-sized version to be built 1.2 Motivations The drive behind the design and development ... Application 66 APPENDIX I – Bill of Materials 67 v Summary The objective of this M Eng work is the design and development of a low-cost omnidirectional mobile robot that...
Ngày tải lên: 04/10/2015, 10:26
DESIGN AND DEVELOPMENT OF AN OMNIDIRECTIONAL MOBILE BASE FOR a SOCIAL ROBOT
... Hardware design and development In the design of the Powered Castor Wheel module, using standard of the shelf castors as the foundation for modification was not a wise choice given the lack of stringent ... understand the phenomenon of Social Robots and the field of HRI, we can refer to mankind’s history for artificial beings development, robots medieval by today’s standards but still capable of complex ... Example of social robot architecture for execution and robot behavioral layer 2.2 Review of mobile Robots The prevalence of automation and mobile robotic platform has seen a rise of demand for...
Ngày tải lên: 04/10/2015, 10:26
Design and development of an on machine profile measurement system for an ELID grinding machine
... picture of the turn table from (a) front and (b) rear side 3.4 DESIGN AND DEVELOPMENT OF AN ON-MACHINE PROFILE MEASUREMENT SYSTEM One of the most important targets of this study was to design and ... and Development CHAPTER THREE DESIGN AND DEVELOPMENT 3.1 INTRODUCTION One of the major goals of this study was the design and development of different components of the experimental setup which ... the profile of ground surface Coordinate measuring machines (CMM) have become more and more important in measurements and authentication of dimensional excellence of 34 Chapter 3: Design and Development...
Ngày tải lên: 04/10/2015, 10:26
Design and development of command and control system for autonomous underwater vehicles
... is the design and development of a generic control and software architecture for a single modular AUV while allowing natural extensions to multi-vehicle scenarios The proposed command and control ... components also encourages modularity of system tasks and responsibilities and makes construction and maintenance of C2 system easier and manageable Instead of developing complex, expensive monolithic ... the development cost and time can be greatly reduced Orocos which stands for Open Robot Control Software, aims to develop a generalpurpose, free software, and modular framework for robot and...
Ngày tải lên: 04/10/2015, 10:26
The importance of project management in small- and medium-sized enterprises (SMEs) for the development of new products through E-collaboration docx
... management is “the manner of implementation, of expertise, paraphernalia, knowledge and modus operandi to an extensive range of activities for the fulfillment of prerequisite of the specific project” ... of the interdisciplinary literatures identifies four departments that affect the completion of projects in terms of time and budget: design, planning, production and procurement The effects of ... Trend of SMEs (source: Web of Science ® 2010) Figure Trend of new product (source: Web of Science ® 2010) Mohammadjafari et al 11853 Figure Schematic diagram of the literature Department of Design...
Ngày tải lên: 07/03/2014, 00:20