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Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 155-161 doi: 10.1007/s11705-017-1655-x

Abstract: In-line hydro-treatment of bio-oil vapor from fast pyrolysis of lignocellulosic biomass (hydro-pyrolysiscan be completely and partially hydrogenated to form hydrocarbons, an ideal fossil fuel blend, in the hydro-treatedhydrocarbon formation (ca. 60%), showing the feasibility of using the cheap non-noble catalysts for hydro-pyrolysis

Keywords： bio-oil     pyrolysis     hydro-deoxygenation (HDO)     non-noble metal catalysts     hydro-treatment    

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Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 154-164 doi: 10.1007/s11709-010-0019-0

Abstract: The hydro-mechanical behaviour of compacted expansive Romainville clay was investigated.

Keywords： Romainville clay     suction control     oedometer test     large infiltration task     hydro-mechanical behaviour    

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: solubility optimization (HGSO) methods, and simple equations methods were applied to simulate the maximum hydro-suction

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Uncertainty assessment in hydro-mechanical-coupled analysis of saturated porous medium applying fuzzy

Farhoud KALATEH, Farideh HOSSEINEJAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 387-410 doi: 10.1007/s11709-019-0601-z

Abstract: on dynamic response of porous media, and also to discrete the coupled dynamic equations known as - hydro-mechanical

Keywords： fuzzy finite element method     saturated soil     hydro-mechanical coupled equations     coupled analysis     uncertainty    

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Design of damping valve for vehicle hydro pneumatic suspension

DONG Mingming, HUANG Hua, GU Lian

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 97-100 doi: 10.1007/s11465-008-0014-5

Abstract: According to the design features of a hydro pneumatic spring, the necessity of a separate damping valveThe design method and damping valve structure are useful guides for hydro pneumatic suspension, especially

Keywords： ability     pneumatic     necessity     flowrate     equivalent linearization    

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Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 409-423 doi: 10.1007/s11708-016-0431-9

Abstract: It considers the reserves supplied by the conventional thermal generators (spinning reserves), hydro

Keywords： demand-side reserves     dynamic reserve activation approach     hydro power units     post contingency     sequential    

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Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 227-236 doi: 10.1007/s11708-012-0198-6

Abstract: This paper proposed a methodology in a hybrid thermal-hydro system for finding the required amount of

Keywords： critical load     frequency response     load shedding     multi-area system     rate of change of frequency     superconducting magnetic energy storage (SMES) device    

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Dynamic Visual Simulation for Concrete Dam Construction Process of the Xiangjiaba Hydro Station

Shen Mingliang,Chen Lihua,Chen Wei,Sheng Lemin,Su Junan

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 68-73

Abstract:

In view of simulation for concrete dam construction process of the Xiangjiaba Hydro Station, the paper

Keywords： Xiangjiaba Hydro Station     construction simulation     concrete construction     comparison of drafts    

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Hydro Power Development at the Yalu Tsangpo River

Xu damao,Chen chuanyou,Liang weiyang

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 47-52

Abstract:

As the largest river in Tibet, the Yalu Tsangpo River (hereinafter referred to as the river) is abundant in hydropower resources in the range of 113 GW. The river has a “U”-shaped elbow in the Great Gorge area to form an ideal site for a gigantic hydropower station of 40 GW——the largest in the world to date.With the foregoing background, this paper outlines a preliminary project program in this regard. In the opinion of the present author, the mountain should be tunneled at an appropriate point to form a massive hydraulic head of 2280 m. The entire project will be divided into three phases with 12～15 GW implemented at each stage.The electrical output of the first phase can be supplied to Southeast Asia and that of the subsequent phases to southeastern China (especially Guangdong Province). The cost estimated for the project is less than that of the Three Gorges project due primarily to the fact that there is no need to consider such factors as flood control, shipping rerouting and population resettlement, all of which translate into immediate economic benefits. Meanwhile, the project will set four straight world records, namely, the largest hydropower station, the largest generating unit, the highest waterfall and the largest gorge. As a result, the project is of immense significance to the sustainable development of Tibet and to China as a whole, and is also bound to exert tremendous international influence. Due to the complexities and size associated with the project, a huge number of difficulties and problems must be fully addressed beforehand. It is hoped that all the involved difficulties will be discussed and analyzed in-depth with a view to reaching scientific and practical conclusions for the project.

Keywords： the Yalu Tsangpo River     hydropower     development     investment     benefit    

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Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 12-33 doi: 10.1007/s11709-007-0002-6

Abstract: The current situations and growing prospects of China s hydro-power development and high dam constructionare reviewed, giving emphasis to key issues for safety evaluation of large dams and hydro-power plantsdams, high velocity flow and energy dissipation for high dams, scientific and technical problems of hydro-power

Keywords： reservoir     engineering     hydro-power development     state-of-the-art computational     earthquake    

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Research Status and Trends of Ultra-Low-Head Water Resources and Hydro-Turbines

Zhang Yuquan,Zheng Yuan,Sun Ke,Yang Chunxia and Luo Hongying

Strategic Study of CAE 2018, Volume 20, Issue 3,   Pages 90-95 doi: 10.15302/J-SSCAE-2018.03.013

Abstract: The paper summarizes two types of microhead hydro-turbines suitable for open and closed watersheds, whichprovide a basis for the design method of microhead hydro-turbines and the study of their flow characteristics

Keywords： ultra-low-head water resources     hydro-turbines     open watershed     closed watershed    

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The design and practice of giant hydro turbine generating units of Three Gorges ProjectShao Jianxiong

Shao Jianxiong,Liu Jingwang,Yuan Dafu

Strategic Study of CAE 2011, Volume 13, Issue 7,   Pages 104-110

Abstract: Three Gorges Project (TGP), the main technical problems that should be considered in the design of hydroThe key technical researches performed are summarized and the parameters of hydro turbine generatingThe unit operation results indicate that the performance of the hydro turbine generating units is excellentTherefore, it is verified effectively that the general technical design of giant hydro turbine generating

Keywords： Three Gorges Project     700 MW hydro turbine generating unit     unit capacity     design and research     operation    

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Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 646-663 doi: 10.1007/s11709-020-0584-9

Abstract: paper, a series of detailed finite element analyses are carried out to capture the fully coupled thermo-hydro-mechanical

Keywords： thermo-active diaphragm wall     finite element analysis     thermo-hydro-mechanical coupling     ground source heat    

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Lillooet River Hydroelectric Project: The Challenges of Constructing a Power Tunnel for Run-of-River Hydro Article

Nichole Boultbee, Oliver Robson, Serge Moalli, Rich Humphries

Engineering 2018, Volume 4, Issue 2,   Pages 260-266 doi: 10.1016/j.eng.2017.09.003

Abstract:

The Upper Lillooet River Hydroelectric Project (ULHP) is a run-of-river power generation scheme located near Pemberton, British Columbia, Canada, consisting of two separate hydroelectric facilities (HEFs) with a combined capacity of 106.7 MW. These HEFs are owned by the Upper Lillooet River Power Limited Partnership and the Boulder Creek Power Limited Partnership, and civil and tunnel construction was completed by CRT-ebc. The Upper Lillooet River HEF includes the excavation of a 6 m wide by 5.5 m high and approximately 2500 m long tunnel along the Upper Lillooet River Valley. The project is in a mountainous area; severe restrictions imposed by weather conditions and the presence of sensitive wildlife species constrained the site operations in order to limit environmental impacts. The site is adjacent to the Mount Meager Volcanic Complex, the most recently active volcano in Western Canada. Tunneling conditions were very challenging, including a section through deposits associated with the most recent eruption from Mount Meager Volcanic Complex (~2360 years before the present). This tunnel section included welded breccia and unconsolidated deposits composed of loose pumice, organics (that represent an old forest floor), and till, before entering the underlying tonalite bedrock. The construction of this section of the tunnel required cover grouting, umbrella support, and excavation with a combination of roadheader, hydraulic hammer, and drilling-and-blasting method. This paper provides an overview of the project, a summary of the key design and construction schedule challenges, and a description of the successful excavation of the tunnel through deposits associated with the recent volcanic activity.

Keywords： Run-of-river hydro project     Power tunnel     Umbrella support     Canopy tubes     Volcanic deposits     Pumice     Roadheader    

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Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1577-9

Abstract:

● Reduce the quantifying MPs time by using Nile red staining.

Keywords： Microplastics     Municipal wastewater treatment plant     Phthalate esters     Thermal hydrolysis    

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Title Author Date Type Operation

Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Journal Article

Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Uncertainty assessment in hydro-mechanical-coupled analysis of saturated porous medium applying fuzzy

Farhoud KALATEH, Farideh HOSSEINEJAD

Journal Article

Design of damping valve for vehicle hydro pneumatic suspension

DONG Mingming, HUANG Hua, GU Lian

Journal Article

Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Journal Article

Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

Dynamic Visual Simulation for Concrete Dam Construction Process of the Xiangjiaba Hydro Station

Shen Mingliang,Chen Lihua,Chen Wei,Sheng Lemin,Su Junan

Journal Article

Hydro Power Development at the Yalu Tsangpo River

Xu damao,Chen chuanyou,Liang weiyang

Journal Article

Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Journal Article

Research Status and Trends of Ultra-Low-Head Water Resources and Hydro-Turbines

Zhang Yuquan,Zheng Yuan,Sun Ke,Yang Chunxia and Luo Hongying

Journal Article

The design and practice of giant hydro turbine generating units of Three Gorges ProjectShao Jianxiong

Shao Jianxiong,Liu Jingwang,Yuan Dafu

Journal Article

Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Journal Article

Lillooet River Hydroelectric Project: The Challenges of Constructing a Power Tunnel for Run-of-River Hydro

Nichole Boultbee, Oliver Robson, Serge Moalli, Rich Humphries

Journal Article

Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Journal Article