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Annual Energy Outlook [PDF]

, 2009
The Annual Energy Outlook 2009 (AEO2009), prepared by the Energy Information Administration (EIA), presents long-term projections of energy supply, demand, and prices through 2030, based on results from EIA’s National Energy Modeling System (NEMS).
United States. Energy Information Administration.
core   +1 more source

Wave Energy Development in Oregon: licensing & permitting requirements [PDF]

This is an informational document provided by the Oregon Wave Energy Trust (OWET) for the purposes developing a broad understanding of the current regulatory framework among stakeholders, regulators, and developers in the wave energy industry.
Pacific Energy Ventures
core   +6 more sources

Experimental studies of instability process and energy evolution of tunnels under true triaxial stresses: The role of pre-existed flaws

Frontiers in Earth Science, 2023
In the natural geological environment, there are many joints, faults and cavities. These natural defects will have an impact on the stability of tunnels.
Binglei Li, Jianing Li, Hongyuan Hu, Jinrui Gong, Tao Luo   +4 more
doaj   +1 more source

Experimental and numerical research of crack propagation process and energy dissipation law of grouting specimens under radial impact load

Frontiers in Earth Science, 2023
Different air pressures are used to conduct an impact test based on the split Hopkinson pressure bar (SHPB) test system to study the crack evolution process and energy dissipation law of the cemented rock under impact load.
Chang-Xing Zhu, Jia-Xin Sun, Jian Gong, Feng-E Wang   +3 more
doaj   +1 more source

Damage Characteristics and Energy Evolution of Bituminous Sandstones under Different Cyclic Amplitudes

Applied Sciences, 2023
In many underground engineering projects, rocks are often subjected to cyclic loading and unloading, such as repeated excavation of roadway surrounding rock, which will lead to damage to underground rocks, and the energy of rocks also changes. Therefore,
Xiaoyu Lu, Ruipeng Qin, Chunliang Dong, Chaotao Fan   +3 more
doaj   +1 more source

Analysis of Energy Evolution Characteristics of Salt Rock Under Different Loading Rates

Frontiers in Earth Science, 2022
The existing uniaxial compression test results of salt rock under different loading rates are used to study its energy evolution characteristics during deformation and failure in this study. First of all, the influence of loading rate on the total energy
J. B. Wang, J. B. Wang, X. Liu, X. Liu, Q. Zhang, Q. Zhang, Z. P. Song, Z. P. Song   +7 more
doaj   +1 more source

Mechanical characteristics and energy evolution law of sandstone failure process under post-peak cold and heat cycle

Meikuang Anquan, 2023
In coal fire control, grouting/water extinguishing is often repeated for reasons such as re-ignition. The surrounding rock undergoes repeated heating and water cooling, resulting in strength reduction and damage, and collapse and cracks on the extended ...
QI Huaiyuan, WANG Jianwei
doaj   +1 more source

Experimental Study on Mechanical Deformation and Energy Evolution of Deep Coal Under Complex Stress Paths

Applied Sciences
This study proposes a novel cyclic stress path with simultaneous axial and confining stress and conducts triaxial testing on raw coal over various cycle periods.
Yue Jiang, Xingfeng Mao, Dongming Zhang, Xiang Yang   +3 more
doaj   +1 more source

Uniaxial compression failure and energy dissipation of marble specimens with flaws at the end surface

工程科学学报, 2020
It is a fact that a large number of defects such as cracks, voids, inclusions, weak planes, and joint sets are generated within the rock mass during the process of rock formation because of geological-tectonic evolution.
Zhen-yu HAN, Di-yuan LI, Quan-qi ZHU, Meng LIU, Xi-bing LI   +4 more
doaj   +1 more source

Energy Evolution and Acoustic Emission Characteristics of Uniaxial Compression Failure of Anchored Layered Sandstone

Frontiers in Earth Science, 2022
To study the energy evolution and acoustic emission characteristics of layered sandstone under anchorage in the process of deformation and failure, the sandstone samples from Chuxiong Yi Autonomous Prefecture, Yunnan Province were selected for uniaxial ...
Yang Yu, Da-Cheng Zhao, Guang-Liang Feng, Guang-Liang Feng, Da-Xin Geng, Hao-Sen Guo   +5 more
doaj   +1 more source