نتایج جستجو برای: net energy
تعداد نتایج: 754208 فیلتر نتایج به سال:
Wheat is the dominant cereal crop constituting the first staple food in Iran. This paper studies the energy consumption patterns and the relationship between energy inputs and yield for Wheat production in Iranian agriculture during the period 1986 – 2008. The results indicated that total energy inputs in irrigated and dryland wheat production increased from 29.01 and 9.81 GJ ha-1 in 1986 to 44...
Bulk energy storage is generally considered an important contributor for the transition toward a more flexible and sustainable electricity system. Although economically valuable, storage is not fundamentally a "green" technology, leading to reductions in emissions. We model the economic and emissions effects of bulk energy storage providing an energy arbitrage service. We calculate the profits ...
A substantial increase in distributed renewable energy resources is changing the face of the energy environment, leading to strategic communication efforts by key stakeholders. The energy democracy movement supports this transformation from fossil fuels to distributed renewable energy and aims for equitable involvement of publics in energy decision making. These tenets challenge utility company...
The power system is changing towards a decarbonized one. Kyoto protocol and the Paris climate agreement have prompted many nations to approve energy policies based on volatile renewable sources (RESs). However, integration into grid of generated by RESs as well electrification heating, gas transportation sectors becoming huge challenge. Planning industrial tertiary sites net-zero systems (NZESs...
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