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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: An optimal plan is developed to handle the emergency, using the coordinated action of fast and slow reservesIt considers the reserves supplied by the conventional thermal generators (spinning reserves), hydropower units and load demands (demand-side reserves).The optimal backing down of costly/fast reserves and bringing up of slow reserves in each sub-interval

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

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Biding strategy of vehicle parking for participating in energy and spinning reserve markets

Ali MANSOORI,Rahmat AAZAMI,Ramin SAYADI

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 403-411 doi: 10.1007/s11708-014-0333-7

Abstract: electric cars is presented to auction the management ability and correct parking planning in reserve spinning

Keywords： vehicle-to-grid (V2G)     spinning reserve     energy secondary market     smart parking    

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Real-time task processing method based on edge computing for spinning CPS

Shiyong YIN, Jinsong BAO, Jie LI, Jie ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 320-331 doi: 10.1007/s11465-019-0542-1

Abstract: Spinning production is a typical continuous manufacturing process characterized by high speed and uncertainEach manufacturing unit in spinning production produces various real-time tasks, which may affect productionmethod based on edge computing can effectively solve the delay problem of real-time task processing in spinning

Keywords： edge computing     real-time task     scheduling     CPS     spinning    

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Finite element modeling of counter-roller spinning for large-sized aluminum alloy cylindrical parts

Dawei ZHANG, Fan LI, Shuaipeng LI, Shengdun ZHAO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 351-357 doi: 10.1007/s11465-019-0528-z

Abstract: Counter-roller spinning (CRS), where the mandrel is replaced by rollers, is an effective means of manufacturing

Keywords： large-sized cylindrical part     counter-roller spinning     aluminum alloy     finite element method     distributed    

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Best operating conditions to produce hydroxyapatite nanoparticles by means of a spinning disc reactor

A. F. D’ Intino,B. de Caprariis,M.L. Santarelli,N. Verdone,A. Chianese

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 156-160 doi: 10.1007/s11705-014-1427-9

Abstract: hydroxyapatite (Mg-HAP) nanoparticles were produced by a reaction-precipitation process by using a spinning

Keywords： hydroxyapatite     nanoparticles     spinning disc reactor    

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Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 763-771 doi: 10.1007/s11705-018-1776-x

Abstract: In this study, the technical and economic effects of providing positive secondary control energy reservesThe findings show that the installed biogas storage capacity is sufficient to provide control energy reservesProfitability of providing control energy reserves largely depends on the prices at the control energy

Keywords： biogas plant     process simulation     control energy reserves     economic assessment     gas storage    

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A replenishment for resource reserves：functional reserves— Replacing 1/10~1/5 strategic oil reserve with

Jin Yong,Chen Bingzhen

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 4-6

Abstract:

The strategic oil reserve is very important for every large country in the world. In order to meet the basic requirement of the state safety, 3 months strategic oil reserve in every large country was proposed by the different international organizations such as UN, EU, etc. For China, the total amount of strategic oil reserve must be up to about 30 to 90 millions. It is very difficult to achieve it without enormous capita in short time. Based on a new conception as "function reserve" to replenish the "resource reserve", this goal could be more easy to be accomplished.Namely, storing more methanols replaces some percentage of oil. Moreover, the state safety should be ensured. This topic is discussed in the article in detail.

Keywords： function store     strategical oil store     methanol    

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Effect of repeated gonadotropin stimulation on ovarian reserves and proliferation of ovarian surface

Linlin LIANG, Bei XU, Guijin ZHU

Frontiers of Medicine 2009, Volume 3, Issue 2,   Pages 220-226 doi: 10.1007/s11684-009-0037-2

Abstract: This study aimed to evaluate the effect of repeated ovarian stimulation (OS) on the ovarian follicular population and morphology in female mice and its influence on the embryo’s developmental ability, and the profile of the ovarian surface epithelium (OSE). A total of 75 mice were enrolled in this experiment and randomly assigned into three groups: repeated ovarian stimulated group [ =25; receiving 5 IU pregnant mare serum gonadotrophin (PMSG) and human chorionic gonadotropin (hCG) at 6 day intervals for 5 cycles]; single ovarian stimulated group ( =25; receiving 5 IU PMSG and hCG for 1 cycle), and control group ( =25; without additional treatment). The follicle number at various stages and the morphologies were recorded respectively in the three groups. The harvested oocytes or embryos, cleavage rate, good quality embryo rate, and blastocyst production rate were counted and calculated, and the proliferations of ovarian surface epithelium were evaluated respectively. In the three groups, the single ovarian stimulation treatment significantly increased the mean number of ovarian oocytes or embryos (39.25±10.77 one-cell embryos/female); on the other hand, repeated gonadotropin stimulation obtained the lowest mean number (5.15± 2.81 eggs/female, <0.01). Repeated ovarian stimulation also tended to decrease normal follicles of primary follicles (66.67%) and secondary follicles (72.86%), and got the lowest cleavage rate (67.47%), lowest good quality embryo rate (2.41%), and lowest blastocyst production rate (0). The OSE cells adjacent to the antral follicles and corpus luteum (CL) in the repeated ovarian stimulated group (81.8%) had a significantly higher proliferation rate than the other groups. The proliferation rate of the OSE in the single ovarian stimulated group (56.4%) was significantly higher than that in the control group (37.5%) ( <0.01). In conclusion, single ovarian stimulation may produce more oocytes/embryos. However, repeated gonadotropin stimulation may have a negative effect on the ovarian follicular quality, the number of mature retrieved oocytes, and the embryo quality, even increasing the chance of ovarian cancer.

Keywords： gonadotropin-releasing hormone     ovarian reserve     embryo developmental ability     ovarian surface epithelium    

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Spinning from Nature: Engineered Preparation and Application of High-Performance Bio-Based Fibers Review

Zongpu Xu, Mingrui Wu, Qi Ye, Dong Chen, Kai Liu, Hao Bai

Engineering 2022, Volume 14, Issue 7,   Pages 100-112 doi: 10.1016/j.eng.2021.06.030

Abstract: The natural spinning systems that produce such fibers are highly energy efficient, inspiring researchersto mimic these processes to realize robust artificial spinning.Various bioinspired spinning methods, strengthening strategies for mechanically strong fibers, and thechallenges in reproducing the mechanical performance of natural systems and understanding their dynamic spinning

Keywords： Bio-based fiber     Hierarchical structure     Bioinspired spinning     Strengthening strategy     Fiber applications    

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Design of nanofibre interlayer supported forward osmosis composite membranes and its evaluation in fouling study with cleaning

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1550-7

Abstract:

• A fine fibre (40–60 nm diameter) interlayer (~1 µm thickness) was electrospun.

Keywords： Forward osmosis     Electro-spinning     Interfacial polymerisation     Fouling     Polyvinylidene fluoride    

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Natural Gas Hydrate Exploration and Production Technology Research Status and Development Strategy

Fu Qiang,Zhou Shouwei and Li Qingping

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 123-132

Abstract:

Gas hydrate, also called “fire ice”, is cage compound generated by hydrocarbon gas such as methane mixed with water in low temperatures and high pressures, which is expected to be the most important alternative energy after shale gas, tight gas, coal bed methane and oil sands. Gas hydrate in the seabed distributes widely in the depth of 300–3 000 m deep water in the arctic tundra or coastal shelf, of which about 95 % is stored in the deep sea region. It has been preliminarily estimated that the amount of gas hydrate is twice larger than that of the global carbon-containing compounds. Great attention has been attracted on disorder decomposition of weakly consolidated gas hydrate in shallow-layer in deep water, which can cause potential engineering geological hazard and the greenhouse effect. Safe and efficient development and environmental risks are equally important for developing the gas hydrate, so the research field has been the forefront of technological innovation around the world. This paper reviews the research progress of natural gas hydrate exploration and trial mining technology. On this basis, some ideas of natural gas hydrate exploration and development technology are described in terms of the potential target sea area in China and the relevant characteristics of gas hydrate samples already acquired.

Keywords： natural gas hydrate     exploration and production     huge reserves     research status     development strategy    

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The Frontage of Textile Science and Technology in 21st Century

Yao Mu

Strategic Study of CAE 2003, Volume 5, Issue 4,   Pages 47-49

Abstract: modifying the textile science and technology; (3) developing manufacture techniques and apparatuses for spinning

Keywords： textile science and technology     smart wears     industrial textiles     textile fibre     spinning     weving     dyeing    

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Theoretical and Technological Challenges of Deep Underground Energy Storage in China Review

Chunhe Yang, Tongtao Wang, Haisheng Chen

Engineering 2023, Volume 25, Issue 6,   Pages 168-181 doi: 10.1016/j.eng.2022.06.021

Abstract:

Deep underground energy storage is the use of deep underground spaces for large-scale energy storage, which is an important way to provide a stable supply of clean energy, enable a strategic petroleum reserve, and promote the peak shaving of natural gas. Rock salt formations are ideal geological media for large-scale energy storage, and China is rich in salt rock resources and has a major shortage of energy storage space. Compared with the salt domes in other countries, the salt rock formations in China are typical lacustrine bedded salt rocks characterized by thin beds, high impurity content, and many interlayers. The development of large-scale energy storage in such salt formations presents scientific and technical challenges, including: ① developing a multiscale progressive failure and characterization method for the rock mass around an energy storage cavern, considering the effects of multifield and multiphase coupling; ② understanding the leakage evolution of large-scale deep underground energy storage caverns; ③ understanding the long-term performance evolution of large-scale deep underground energy storage caverns; ④ developing intelligent construction technologies for the deep underground salt caverns used for energy storage; and ⑤ ensuring the long-term function of deep underground energy storage spaces. The solution to these key scientific and technological problems lies in establishing a theoretical and technical foundation for the development of large-scale deep underground energy storage in China.

Keywords： Energy reserves     Deep underground energy storage     Bedded rock salt     Salt cavern     Rock mechanics    

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Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 46-55

Abstract:

Classical rolling theory, which is based on the law of the lowest resistance,the condition of constant volume and the condition of equal flow per second,has formed a fairly integrated rolling applied technology science system by means of experiment and deduction. This system reflects only the static law of rolling process,so it is necessary to control dynamic rolling process by drawing high and new technology such as cybernetics, information theory and computer science into the system.During the history of rolling theory, classical rolling theory based on mechanics took the lead before the establishment of spring equation, after that the rolling process control theory based on mechanics and cybernetics took precedence. In this paper,the concept of technological control theory is put forward. A new theory system, which is based on fundamental rolling technology control theory, is set up. Its main content included：the tension theory system in continuous rolling, which reflects the negative feedback effect of tension, is set up;disturbance survey problem is settled in gauge control process;shape theory system, which resembles gauge control theory,by defining dual parameter,is established.

Keywords： continuous rolling     gauge control     shape stiffness     spring equation for rolling mill     comprehensive equal reserves    

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Title Author Date Type Operation

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

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

Journal Article

Biding strategy of vehicle parking for participating in energy and spinning reserve markets

Ali MANSOORI,Rahmat AAZAMI,Ramin SAYADI

Journal Article

Real-time task processing method based on edge computing for spinning CPS

Shiyong YIN, Jinsong BAO, Jie LI, Jie ZHANG

Journal Article

Finite element modeling of counter-roller spinning for large-sized aluminum alloy cylindrical parts

Dawei ZHANG, Fan LI, Shuaipeng LI, Shengdun ZHAO

Journal Article

Best operating conditions to produce hydroxyapatite nanoparticles by means of a spinning disc reactor

A. F. D’ Intino,B. de Caprariis,M.L. Santarelli,N. Verdone,A. Chianese

Journal Article

Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Journal Article

A replenishment for resource reserves：functional reserves— Replacing 1/10~1/5 strategic oil reserve with

Jin Yong,Chen Bingzhen

Journal Article

Effect of repeated gonadotropin stimulation on ovarian reserves and proliferation of ovarian surface

Linlin LIANG, Bei XU, Guijin ZHU

Journal Article

Spinning from Nature: Engineered Preparation and Application of High-Performance Bio-Based Fibers

Zongpu Xu, Mingrui Wu, Qi Ye, Dong Chen, Kai Liu, Hao Bai

Journal Article

Design of nanofibre interlayer supported forward osmosis composite membranes and its evaluation in fouling study with cleaning

Journal Article

Natural Gas Hydrate Exploration and Production Technology Research Status and Development Strategy

Fu Qiang,Zhou Shouwei and Li Qingping

Journal Article

The Frontage of Textile Science and Technology in 21st Century

Yao Mu

Journal Article

Theoretical and Technological Challenges of Deep Underground Energy Storage in China

Chunhe Yang, Tongtao Wang, Haisheng Chen

Journal Article

Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Journal Article