توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Effect of Geometry in Performance of Microreactor for Fuel Cell Applications
نویسنده(ها): ، ،
اطلاعات انتشار: اولین کنفرانس ملی هیدروژن و پیل سوختی، سال
تعداد صفحات: ۹
Hydrogen production from steam reforming of methanol for fuel cell application was modeled in a wall coated micro channel reactor by CFD approach. Heat of steam reforming was supplied from catalytic total oxidation (TOX) of methanol in neighboring channel<\div>

۲hoosing Suitable Rock Failure Criterion to Analyze Wellbore Stability
نویسنده(ها): ، ، ،
اطلاعات انتشار: اولین کنفرانس و نمایشگاه تخصصی نفت، سال
تعداد صفحات: ۶
Geomechanical stability can have a significant role in the development of deep wells. Wellbore failure, loss circulation and sand production are costly problems for oil industries that can be mitigated by devising a sensible plan through choosing a suitable rock failure criterion. This paper describes comparison of four different rock failure criteria named Tresca, Mohr–Coulomb, Mogi–Coulomb, and Modified Lade based on triaxial and polyaxial test data of two different rock strength data to determine a proper criterion in order to be used for wellbore stability analyses. This makes it possible to reduce drilling costs by designing wells properly enough to minimize borehole problems without excessive cost. A further benefit of considering a suitable failure criterion is that, the optimum mud weight and well direction predicted by them can be much closer to reality<\div>

۳Reliability Analysis of Static Soil Liquefaction Using Random Finite Element Method
نویسنده(ها): ، ،
اطلاعات انتشار: اولین کنفرانس ملی مهندسی ژئوتکنیک، سال
تعداد صفحات: ۸
Liquefaction of soils, defined as significant reduction in shear strength and stiffness due to increase inpore pressure. This phenomenon can be assessed in static or dynamic loading types. However, in eachtype, the inherent variability of the soil parameters dictates that this problem is of a probabilistic naturerather than being deterministic. In this research, a random finite element analysis is used for reliabilityassessment of static liquefaction potential of loose sand under monotonic loading. The Monte Carlosimulation was used for that purpose. The selected stochastic parameters are soil parameters such as unitweight, peak friction angle and initial plastic shear modulus. An elasto–plastic effective stress model isused that simulates the static liquefaction response of loose sands under monotonic loading. The modifiedNewton–Raphson method is used to consider the effect of changing material behavior in this research.Analysis process was performed in MATLAB code.<\div>
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