نتایج جستجو برای: sheet hydroforming

تعداد نتایج: 39239  

2006
Tiago Fioreze

This deliverable is performed within the scope of the SURFnet Research on Networking (RoN) project. These deliverables are partly written by students of the University of Twente.

2006
Yu Lin Saqib Q. Malik Randall L. Geiger

A yield enhanced layout method for maximizing yield of integrated resistor networks with a fixed total area is discussed. This approach incorporates both random variations in the sheet resistance and random variations in the contact resistances. The concept of contact/sheet resistance crossover which gives the crossover between contact-resistance dominance and sheet resistance dominance is deve...

2003
M. S. Dixit

Micro-pattern gas detectors, such as the Gas Electron Multiplier (GEM) and the Micromegas need narrow high density anode readout elements to achieve good spatial resolution. A high-density anode readout would require an unmanageable number of electronics channels for certain potential micro-detector applications such as the Time Projection Chamber. We describe below a new technique to achieve g...

Journal: :Symmetry 2016
Shigeki Miyasaka Sinnosuke Suzuki Setsuko Tajima

We have investigated Mn, Co and Ni substitution effects on polycrystalline samples of LaFePO0.95F0.05 by resistivity and magnetoresistance measurements. In LaFe1-xMxPO0.95F0.05 (M = Mn, Co and Ni), the superconducting transition temperature (Tc) monotonously decreases with increasing the impurity doping level of x. There is a clear difference of Tc suppression rates among Mn, Co and Ni doping c...

Journal: :international journal of advanced design and manufacturing technology 0
reza keimanesh department of mechanical engineering, k. n. toosi university of technology, iran cyrus aghanajafi department of mechanical engineering, k. n. toosi university of technology, iran

this study is considering a micropolar fluid flow over a porous stretching sheet in the presence of thermal radiation and uniform magnetic field. the effects of local variation in thermal conductivity of micropolar fluid on heat transfer rate from the sheet are investigated; besides, the impacts of radiation, magnetic field and porous sheet on variations of thermal boundary layer thickness are ...

ژورنال: مهندسی دریا 2011
فروزنده, نرگس, آق تومان, پیمان , حکیم زاده, حبیب , کرمی خانیکی, علی ,

In this research study, effects of the draught and sheet height in pontoon floating sheet-breakwaters on the transmission and reflection coefficients against irregular sea waves was investigated. The project has been carried out using an experimental method within a wave flume of Soil Conservation and Watershed Research Institute. The incident waves were irregular and the wave spectrum was JONS...

Journal: :مکانیک هوافضا 0
سید حسام الدین مدنی s.h madani univ of tehranاستادیار محمد حسین صبور m.h sabour univ of tehranدانشگاه تهران محمد فدایی m fadaee univ of tech qumدانشگاه صنعتی قم

because of production process and constrains conditions, circular graphene sheet may be opposed to structural defect and pin hole, respectively. some of the defects and pin hole on a circular graphene sheet can be considered as an eccentric hole on the sheet. hence, analyzing behavior of circular graphene sheet with an eccentric hole is important. free vibration of an eccentric annular graphene...

Journal: :advances in mathematical finance and applications 0
ahmad sarlak department of accounting, arak branch, islamic azad university, arak, iran. fatemeh johari department of accounting, arak branch, islamic azad university, arak, iran.

balance sheet itself does not specify and show all the activities that a bank pays. because banks can do many swap contracts and obligations, exchange, and commitments outside of the balance sheet. to such activities and exchange that will not appear on the balance sheet, are saying off-balance sheet activities. these items are usually reported in the notes to the attached financial statements....

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
gh. payganeh j. shahbazi karami k. malekzadeh fard

in this paper, single, bi-layered and three-layered tube hydroforming processes were numerically simulated using the finite element method. it was found that the final bulges heights resulted from the models were in good agreement with the experimental results. three types of modeling were kept with the same geometry, tube material and process parameters to be compared between the obtained hydr...

Gh. Payganeh J. Shahbazi Karami K. Malekzadeh Fard

In this paper, single, bi-layered and three-layered tube hydroforming processes were numerically simulated using the finite element method. It was found that the final bulges heights resulted from the models were in good agreement with the experimental results. Three types of modeling were kept with the same geometry, tube material and process parameters to be compared between the obtained hydr...

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