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Ali Akbar Abbasian Arani,Mehrdad Kazemi 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.10
Fluid flow, heat transfer and entropy generation inside triangular enclosure equipped with rotational obstacle filled with nanofluid were analyzed numerically by finite difference method and SIMPELR algorithm. Five cases for apex angle, swirling circle radios and spine velocity, swirling circle radios and positions and five cases for wavy wall domain and amplitude were simulated. Although α = 20 has higher average Nusslet number, α = 30 has chosen as optimum apex angle due to meet to geometry problem in next step of optimization process. Optimum wavy wall according to average Nusselt number is constructed with A = 0.05 and D = 1.45π. Radius equal to 0.1 and position equal to 3 has been obtained as optimum geometry between multiple choices. Maximum Nusselt number and entropy generation deal with blades shapes and followed by bricks, platelets and cylinder shapes for nanoparticle volume fraction of between 0.5 and 5 and Rayleigh numbers from 10 3 and 10 6 .
Designing Reliability Improvement Model Using Design Structure Matrix
Karbasian, Mehdi,Kazemi, Sayed Mohammad,Khayambashi, Bijan,Nilipour, Sayed Akbar Korean Institute of Industrial Engineers 2017 Industrial Engineeering & Management Systems Vol.16 No.4
As an inherent characteristic of any product or system, reliability is one of the parameters of design, construction and operation to be considered and controlled as an important criterion during relevant processes. The need to ensure the continuous and proper functioning of a product has led designers to pay special attention to increasing reliability. Therefore by coordinating all design experts and support groups throughout the implementation of product life cycle, the product development life cycle period can be reduced and value-creation of products increased. As a result, the existence of a comprehensive model is of vital importance. In this study, all industrial engineering techniques effective in improving reliability are first identified and then prioritized in all phases of the product life cycle using multi-criteria decision making method. Finally, using design structure matrix, priority and posteriority of all techniques is determined in each phase and a systematic model is provided to improve equipment reliability.
Designing Reliability Improvement Model Using Design Structure Matrix
Mehdi Karbasian,Sayed Mohammad Kazemi,Bijan Khayambashi,Sayed Akbar Nilipour 대한산업공학회 2017 Industrial Engineeering & Management Systems Vol.16 No.4
As an inherent characteristic of any product or system, reliability is one of the parameters of design, construction and operation to be considered and controlled as an important criterion during relevant processes. The need to ensure the continuous and proper functioning of a product has led designers to pay special attention to increasing reliability. Therefore by coordinating all design experts and support groups throughout the implementation of product life cycle, the product development life cycle period can be reduced and value-creation of products increased. As a result, the existence of a comprehensive model is of vital importance. In this study, all industrial engineering techniques effective in improving reliability are first identified and then prioritized in all phases of the product life cycle using multicriteria decision making method. Finally, using design structure matrix, priority and posteriority of all techniques is determined in each phase and a systematic model is provided to improve equipment reliability.
Seroprevalence of Toxoplasma gondii among HIV Patients in Jahrom, Southern Iran
Hassan Rezanezhad,Fateme Sayadi,Enayatollah Shadmand,Seyed Dawood Mousavi Nasab,Hadi Rezaei Yazdi,Kavous Solhjoo,Akbar Kazemi,Monireh Maleki,Abbas Ahmadi Vasmehjani 대한기생충학열대의학회 2017 The Korean Journal of Parasitology Vol.55 No.1