نتایج جستجو برای: energy system modeling

تعداد نتایج: 3033812  

It is necessary to form an energy system in order to deliver the electrical power to a region that delivering energy to them from the national grid is not possible. At the moment, using the hybrid renewable energy systems (HRES) is the suggestion of more articles and scientific books because of environmental problems, nearing to the end of fossil fuels, and challenges including unpredictability...

Behnaz Rezaie, Marc. A. Rosen

Energy, water, and food are facing present and future challenges triggered by climate change, population growth, human behavior, and economics. Management strategies for energy, water, and food are possible through policies, technology, and related education. However, the links between resources (energy, water, and food) and impacting factors (population increase, human behavior, economics, and...

In this paper energy method is used to calculate rotor response with loose rotating disk on it. System equation of motion is obtained based on energy method and Lagrange equation. Mathematical modeling of loose disk in a rotor bearing system has resulted in terms similar to unbalance and gyroscopic effect in the system equation of motion. The effect of loose disk axial position and orthotropic ...

Journal: :IOP Conference Series: Earth and Environmental Science 2020

Journal: :معماری و شهرسازی آرمان شهر 0
peyman khodabakhsh phd. candidate of urban and regional planning in technical university of berlin (tu-berlin), institute for urban and uegional planning, berlin, germany. samira mashayekhi phd. candidate of urban and regional planning in technical university of berlin (tu-berlin), institute for urban and regional planning, berlin, germany. behzad malekpour asl phd. candidate of urban and regional planning in shahid beheshti university, tehran, iran.

cities are a focal point of energy consumption. accessibility to public services has a significant impact on the balance of public and private energy uses, which are two sectors that are directly affected by urban planning (the third is industrial). this paper establishes the relative magnitudes of service accessibility enhancement on urban energy efficiency in comparison to other factors, and ...

Vibration of double-graphene sheet-system is considered in this study. Graphene sheets are coupled by Pasternak elastic medium. Classic and Mindlin plate theories are utilized for modeling the coupled system. Upper sheet carries a moving mass. Governing equations are derived using energy method and Hamilton’s principle considering surface stress effects and nonlocal parameter.  Using Galerkin m...

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