scholarly journals A Novel Design Specification Distance (DSD) based K-Mean Clustering Performance Evaluation on Engineering Materials' Database

2012 ◽  
Vol 55 (15) ◽  
pp. 26-33 ◽  
Author(s):  
Doreswamy Doreswamy ◽  
Hemanth. K. S
2021 ◽  
Vol 48 (3) ◽  
pp. 729-745
Author(s):  
Ahmed. Salama ◽  
M. Tawfik ◽  
M. Abd-Elaal

1997 ◽  
Vol 119 (4) ◽  
pp. 744-751 ◽  
Author(s):  
T. M. Pham ◽  
J. M. Michel ◽  
Y. Lecoffre

This work is concerned with the development of a center-body venturi for nuclei measurements of novel design, the Venturix. Our project aims to: 1. Define a specially tailored geometry for cavitation nuclei measurement. This design study takes into consideration the following main aspects: the venturi mean flow in subcavitating regime, the viscous effects, the bubble dynamics. 2. Evaluate the performance of the meter: After testing the proposed design concepts, the venturi operating characteristics, in particular its operational limits, are assessed. Finally, the performance of the acoustic method used for detecting and counting the active nuclei in the venturi is discussed.


Author(s):  
W. Ernst Eder ◽  
Patrick J. Heffernan

At RMC, in Mechanical Engineering, the third-year course MEE 303 ‘Principles of Engineering Design’ consists of 12 lectures and two mini-projects, one for redesign, and one for novel design. The redesign alternates between a water valve and an automotive oil pump. This case study is now up-to-date according to the most recent developments in the theoretical framework that is the basis for the systematic and methodical process. The search for solutions in this process involves creativity supported by systematic working.An automotive oil pump is to be redesigned for revised conditions. The existing oil pump originated from the 1970’s, and was used in a V-8 engine. A reconstituted set of engineering drawing was prepared. Using the recommended systematic procedure, and other appropriate methods, students were asked to perform the redesign process: to develop a design specification, to analyze the existing pump to detect organs and functions, to explore the solution field with a morphology, and to suggested an improved embodiment. The case study as presented here serves as a sample solution.


Author(s):  
Mehmet Sarikaya ◽  
Ilhan A. Aksay

Biomimetics involves investigation of structure, function, and methods of synthesis of biological composite materials. The goal is to apply this information to the design and synthesis of materials for engineering applications.Properties of engineering materials are structure sensitive through the whole spectrum of dimensions from nanometer to macro scale. The goal in designing and processing of technological materials, therefore, is to control microstructural evolution at each of these dimensions so as to achieve predictable physical and chemical properties. Control at each successive level of dimension, however, is a major challenge as is the retention of integrity between successive levels. Engineering materials are rarely fabricated to achieve more than a few of the desired properties and the synthesis techniques usually involve high temperature or low pressure conditions that are energy inefficient and environmentally damaging.In contrast to human-made materials, organisms synthesize composites whose intricate structures are more controlled at each scale and hierarchical order.


Author(s):  
Carl Malings ◽  
Rebecca Tanzer ◽  
Aliaksei Hauryliuk ◽  
Provat K. Saha ◽  
Allen L. Robinson ◽  
...  

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