نتایج جستجو برای: steady state conditions

تعداد نتایج: 1643843  

Journal: :international journal of architectural engineering and urban planning 0
seyedeh zeinab emadian razavi yazd,emam st.,kooye sahlebne ali,art & architecture faculty mansoureh tahbaz tehran, evin, shahid beheshti university

this paper deals with evaluating the thermal behavior of exterior walls in dwellings of a particular place. today, there is a huge increase in constructing multi-storey apartment buildings and single-family houses in the city of yazd, a city with hot dry climate and a rich historical architecture in iran. unfortunately, the new methods that are used nowadays to make the envelopes of these dwell...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1389

در این پایان نامه در آغاز با بیان اهمیت مطالعه پلاسما با توجه به کاربردهای متعدد آن به معرفی ویژگی ها و روش های ایجاد اشعه ایکس از برهم کنش لیزر با پلاسما پرداخته ایم. سپس مدل های مختلف پلاسما و مدل های تعادلی آن معرفی شده است. از میان این مدل ها مدل تعادل ترمودینامیکی غیر موضعی nlte)) جهت بررسی انتخاب شده است. در این مدل با حل معادله آهنگ، جمعیت فازهای یونی مختلف را با تشکیل ماتریس آهنگ محاسبه...

Journal: :iranian journal of science and technology (sciences) 2015
x. xiaoming

battery pack is the main energy storage element, and directly affects the performance of electric vehicle. this paper selects the forced air cooling of horizontal battery pack as the study object, and researches the heat dissipation performance of different operating conditions with fleunt software. results indicate that: according to the four kinds of transient state conditions and steady stat...

Journal: :international journal of environmental research 0
m. selvamurugan department of environmental sciences, tamil nadu agricultural university, coimbatore - 641 003, tamil nadu, india p. doraisamy department of environmental sciences, tamil nadu agricultural university, coimbatore - 641 003, tamil nadu, india m. maheswari department of environmental sciences, tamil nadu agricultural university, coimbatore - 641 003, tamil nadu, india n.b. nandakumar department of environmental sciences, tamil nadu agricultural university, coimbatore - 641 003, tamil nadu, india

in this paper, startup performance of upflow anaerobic hybrid reactor and upflow anaerobic sludge blanket reactors in anaerobic treatment of distillery spentwash has been studied under identical conditions of operation. various effluent characteristics like ph, electrical conductivity, chemical oxygen demand, biochemical oxygen demand and total solids and other process parameters like biogas pr...

Journal: :international journal of environmental research 2011
m. selvamurugan p. doraisamy m. maheswari n.b. nandakumar

in this paper, startup performance of upflow anaerobic hybrid reactor and upflow anaerobic sludge blanket reactors in anaerobic treatment of distillery spentwash has been studied under identical conditions of operation. various effluent characteristics like ph, electrical conductivity, chemical oxygen demand, biochemical oxygen demand and total solids and other process parameters like biogas p...

2000
XINFU CHEN HISASHI OKAMOTO

We show that there is no blowup solutions, for positive viscosity constant , to the equation f xxt f xxxx +ff xxx f x f xx = 0; x 2 (0; 1); t > 0 with (i) periodic boundary condition, or (ii) Dirichlet boundary condition f = f x = 0 or (iii) Neumann boundary condition f = f xx = 0 on the boundary x = 0; 1. Furthermore we show that every solution decays to the trivial steady state as t goes to i...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract the present thesis seeks to critically read george orwell’s nineteen eighty-four and animal farm in the light of louis althusser’s thought and theory. the present thesis proceeds to examine and demonstrate althusser’s major concepts including ideological state apparatuses (isas), repressive state apparatuses (rsas), the structure, the subject, and ideological interpellation which r...

In order to obtain more accurate predicted dynamic steady-state performance with shorter computation time, an available mathematical model is modified and presented. Using this modified model, performance of a typical switched reluctance motor (SRM) under a wide range of variations of operating conditions is obtained and discussed. These include variations of speed, voltage, load and switching ...

Journal: :international journal of advanced design and manufacturing technology 0
gholamhosein baradaran mohammadjavad mahmoodabadi

numerical solutions obtained by the meshless local petrov–galerkin (mlpg) method are presented for two-dimensional steady-state heat conduction problems. the mlpg method is a truly meshless approach, and neither the nodal connectivity nor the background mesh is required for solving the initial-boundary-value problem. the penalty method is adopted to efficiently enforce the essential boundary co...

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