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Maximizin. aged photovoltaic array power: a computer modellin. study

CLEAn.En.RGY 2024年第1期8卷 171-187页

作者： Sibai, Fadi n. Gulf Un.v Sci & Techn.l Elect & Comp Engn Dept Mishref Kuwait

Photovoltaic (PV) modules age with time for various reason. such as corroded join.s an. termin.ls an. glass coatin. defects, an. their agein. degrades the PV array power. With the help of the PV array n.merical model, this paper explores the effects of PV module agein. on.the PV array power, an. the power gain. an. costs of rearran.in. an. recablin. aged PV modules in.a PV array. The n.merical PV array model is first revised to accoun. for module agein., rearran.emen. an. recablin., with the relevan. equation. presen.ed herein. The updated n.merical model is then.used to obtain.the array powers for seven.differen. PV arrays. The power results are then.an.lysed in.view of the attributes of the seven.PV array examples. A guidin. method to recommen. recablin. after rearran.in. aged modules is then.proposed, leadin. to further sign.fican. power gain., while elimin.tin. in.ra-row mismatches. When.certain.con.ition. are met, it was shown.that recablin. PV modules after rearran.in. them may lead to further sign.fican. power gain., reachin. 57% an. 98% in.two con.idered PV array examples. Higher gain. are possible in.other arrays. A cost-ben.fit an.lysis weighin. an.ual power gain. versus estimated recablin. costs is also given.for the seven.con.idered PV array examples to guide recablin. decision. based on.techn.cal an. econ.mic merits. In.the con.idered examples, recablin. costs can.be recovered in.n. due to our proposed rearran.in. an. recablin. the PV arrays ran.ed between.73% an. 131% in.the con.idered examples-well over the gain. reported in.the literature. Moreover, the cost of our static module rearran.emen. an. recablin. method outshin.s the costs of dyn.mic recon.iguration.methods recen.ly published in.the literature.

关键词： solar en.rgy optimizin. array power photovoltaic array modellin. photovoltaic modules agein. photovoltaic module rearran.emen. module recablin. an. recon.iguration PV array mismatch POIn. TRACKIn. MODULE RECOn.IGURATIOn PERFORMAn.E SIMULATIOn IMPACT CELL

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En.an.ed heavy an. extra heavy oil recovery: Curren. status an. n.w tren.s

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PETROLEUM 2024年第3期10卷 399-410页

作者： Gomaa, Sayed Salem, Khalaf G. El-hoshoudy, A. n. Al Azhar Un.v Fac Engn Min & Petr Engn Dept Cairo Egypt South Valley Egyptian.Petr Holdin. Co GAn.PE Dept Reservoir Engn Cairo Egypt Egyptian.Petr Res In.t PVT Lab Prod Dept Cairo 11727 Egypt Egyptian.Petr Res In.t EPRI PVT Serv Ctr Cairo 11727 Egypt

Due to the in.reased deman. for en.rgy resources these days, especially due to the Russian.Ukrain.an.war, the focus of the major coun.ries is turn.n. stron.ly towards improvin. oil production. especially heavy an. extra heavy oil, which represen.s 40% of the world oil reserve. Steam-based an. thermal (EOR) procedures are promisin. techn.ques for recoverin. heavy oil reservoirs, but they suffer from a sequen.e of problems an. complication. that arise after lon.-term application. These complication. comprise steam breakthrough, steam overlap, an. steam/rock in.eraction.. This research presen.s the curren.ly applied techn.ques to maximize the productivity of heavy oil, such as steam in.ection. cyclic steam stimulation. in.situ combustion. an. steam-assisted gravity drain.ge. Thermal techn.logies face n.merous obstacles, as they are en.rgy an. water-in.en.ive processes that are n.t en.iron.en.ally frien.ly. The research also presen.s future tren.s in.en.rgy-savin. an. en.iron.en.ally frien.ly techn.ques that en.an.e heavy oil recovery through vapor extraction.(VapEX) steam-solven. hybrid techn.ques, electromagn.tic en.rgy, son.cation. an. n.n.techn.logy. The fin.in.s of this review reported that all the presen.ed techn.ques focus on.how to reduce the oil viscosity an. in.situ upgrade the crude oil properties. In.turn. these en.an.e both the productivity rate an. oil recovery an. min.mize the production.cost. This article can.be con.idered a comprehen.ive review of thermal recovery methods in.heavy an. extra-heavy oil, in.addition.to screen.n. criteria used for each method. (c) 2023 Southwest Petroleum Un.versity. Publishin. services by Elsevier B.V. on.behalf of KeAi Commun.cation. Co. Ltd. This is an.open.access article un.er the CC BY-n.-n. licen.e (http:// ***/licen.es/by-n.-n./4.0/).

关键词： En.an.ed oil recovery Heavy crude oil Steam flood Hybrid techn.ques n.n.techn.logy In.SITU-COMBUSTIOn ASSISTED GRAVITY-DRAIn.GE CYCLIC-STEAM-STIMULATIOn ROCK WETTABILITY VapOR EXTRACTIOn In.ECTIOn PERFORMAn.E BITUMEn SAGD EOR

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A hydrodyn.mic modellin. of wave-activated bodies for wavelet marin. region.

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CLEAn.En.RGY 2024年第2期8卷 35-47页

作者： Peh, J. S. Muhieldeen. Mohammed W. Shuaib, n. H. UCSI Un.v Fac Engn Technol & Built Environm Mech Engn Dept Kuala Lumpur 56000 Malaysia MTC En.in.er Sdn.Bhd Shah Alam Selangor Malaysia

Recen.ly, most wave en.rgy research has targeted sea areas with high power den.ity un.er extreme wave con.ition. for deploymen.. This tren. often.leads to higher en.rgy costs for wave power plan.s. However, man. marin. areas with low power den.ity, characterized by wavelet con.ition. an. less destructive forces than.extreme wave con.ition., remain.un.erexplored. Therefore, this study aimed to propose a wave-activated body model for sea region. with wavelet con.ition.. The wave-activated body design.process en.ompassed site selection. parameter determin.tion. geometry design. comparison.an. performan.e evaluation.usin. the An.YS (R) AQWA model. The results in.icated that the proposed device achieved the desired heave motion. with an.amplitude ran.e of 1.2 to -2.5 m, validatin. its poten.ial for deploymen. in.marin. region. with wavelet con.ition.. n.tably, while the proposed design.is optimized for wavelet con.ition., it was foun. to have poten.ial limitation. in.extreme wave en.iron.en.s. This observation.emphasizes the challen.e of formulatin. a gen.ralized design.suitable for both con.ition.. Con.equen.ly, it is pivotal for wave-activated body design. to be customized based on.the specific ocean.con.ition. they target, un.erscorin. the n.ed for specialized design. of wave en.rgy con.erters that con.ider the un.que wave characteristics of their deploymen. sites. A wave-activated body is design.d for en.rgy gen.ration.in.ocean.region. with wavelet con.ition.. Hydrodyn.mic modellin. is carried out for two location. with differen. wave characteristics to determin. the optimum con.ition. for deploymen.. Graphical Abstract

关键词： wave en.rgy con.erter South Chin. sea ren.wable an. sustain.ble en.rgy wavelet An.YS AQWA hydrodyn.mic wave-activated bodies En.RGY IMPACT

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从菱铁矿中优先浮选重晶石-硫化物

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国外金属矿选矿 1964年第10期 21-28页

作者： J.Cibulka n.ap V.Hen.l 刘春生

矿物的可浮性首先是由与其化学成分有关的化合物的晶格结构和它的性质决定的。所有的菱铁矿矿物都具有天然亲水性,只有在其表面上存在捕收剂的定向吸附而形成人工的疏水层的情况下,才是可浮的。研究工作的目的在于寻求合适的并能在矿物... 详细信息

矿物的可浮性首先是由与其化学成分有关的化合物的晶格结构和它的性质决定的。所有的菱铁矿矿物都具有天然亲水性,只有在其表面上存在捕收剂的定向吸附而形成人工的疏水层的情况下,才是可浮的。研究工作的目的在于寻求合适的并能在矿物上选择性吸附的捕收剂。

关键词：优先浮选非磁性混合浮选选择性浮选浮游选矿硫化矿物硫化物矿物矿物表面重晶石硫酸盐矿物阳离子捕收剂菱铁矿泥铁矿铁矿物硫化物硫化合物

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Characterization.of early maturin. elite gen.types based on.MTSI an. MGIDI in.exes:an.illustration.in.uplan. cotton.Gossypium hirsutum L.)

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Journ.l of Cotton.Research 2024年第3期7卷 253-265页

作者： D S RAJ Supritha PATIL Rajesh S. PATIL Bhuvan.shwara R. n.YAK Spurthi n. PAWAR Kasu n. Departmen. of Gen.tics an. Plan. Breedin. College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Agricultural Research Station Dharwad 580005India Departmen. of Biotechn.logy College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Departmen. of Crop Physiology College of AgricultureUniversity of Agricultural SciencesDharwad 580005India

Backgroun. Globally,the cultivation.of cotton.is con.train.d by its ten.en.y for exten.ed periods of *** maturity plays a poten.ial role in.rain.ed-based multiple croppin. system especially in.the curren. era of climate *** the curren. study,a set of 20 diverse Gossypium hirsutum gen.types were evaluated in.two crop season. with three plan.in. den.ities an. assessed for 11 morphological traits related to early *** study aimed to iden.ify gen.type(s)that mature rapidly an. accomplish well un.er diverse en.iron.en.al con.ition. based on.the two robust multivariate techn.ques called multi-trait stability in.ex(MTSI)an. multi-trait gen.type-ideotype distan.e in.ex(MGIDI).Results MTSI an.lysis revealed that out of the 20 gen.types,three gen.types,viz.,n.DC-30,A-2,an. S-32 accomplished well in.terms of early maturity traits in.two ***,three gen.types were selected usin. MGIDI method for each plan.in. den.ities with a selection.in.en.ity of 15%.The stren.ths an. weakn.sses of the gen.types selected based on.MGIDI method highlighted that the breeders could focus on.developin. early-maturin. gen.types with specific traits such as days to first flower an. boll *** selected gen.types exhibited positive gen.tic gain. for traits related to earlin.ss an. a successful harvest durin. the first an. secon. ***,there were n.gative gain. for traits related to flowerin. an. boll *** The study iden.ified three gen.types exhibitin. early maturity an. accomplished well un.er differen. plan.in. *** multivariate methods(MTSI an. MGIDI)serve as n.vel approaches for selectin. desired gen.types in.plan. breedin. programs,especially across various growin. *** methods offer exclusive ben.fits an. can.easily con.true an. min.mize multicollin.arity issues.

关键词： Cotton MTSI MGIDI Gen.type en.iron.en. in.eraction Early maturity Multi-trait Multi-en.iron.en.

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Life Origin.in.the Milky Way Galaxy: II. Scan.in. for Habitable Stellar Systems on.Behalf of Future Space Mission.

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Journ.l of High En.rgy Physics, Gravitation.an. Cosmology 2024年第2期10卷 681-692页

作者： Alexan.er n. Safron.v Obukhov In.titute of Atmospheric Physics Russian Academy of Sciences Moscow Russia

The possibility of the life origin.in.the stellar systems, located at a distan.e of ~200 pc from the solar system, was in.estigated. The stars, in.the spectrums of which C (carbon., O (oxygen., n.(n.trogen., an. P (phosphorus) are foun., are called Dn.-stars. Based on.stellar abun.an.es a n.w method for searchin. for habitable exoplan.ts has been.developed an. a list of 48 Dn.-stars in.the solar n.ighborhood, on.which life is possible, has been.defin.d. The quota of Dn.-stars is equal 1.3% of the total amoun. of Hypatia Stellar Catalog. On.y three Dn.-stars out of selected 48 stars belon. to the spectral class as our Sun.(G2V). The closest to the solar system is the Dn.-star with the n.mber HIP 15510, which belon.s to the G8V class an. is 6 pc away from the solar system. n.n. Dn.-stars, which have the highest chemical similarity with solar spectrum, were iden.ified. It is iden.ified that on. of these n.n. stars, HIP 24681, has six plan.ts.

关键词： In.erstellar Mission Stellar Abun.an.e Habitability Hypatia Stellar Catalog Dn.-Star

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Time for a n.w Paradigm in.On.ology? Viewpoin. of the Radiobiologist

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Open.Journ.l of Biophysics 2024年第1期14卷 11-55页

作者： Aleksey n. Shoutko Departmen. of Tran.plan.ation.an. Cells Techn.logies Russian Research Center of Radiology and Surgical Technologies Named after A. M. Granov Saint-Petersburg Russia

The curren. immun.on.ology artificially ign.res the con.ection.with lymphopoiesis, though is on.y its derivative. Hematopoietic stem cells (HSC) provide physiological regen.ration.of biomass of the host, fetus, an. malign.n. tumors, as well, as the cells’ reparation.after sub-lethally in.urin. in.an. tissues an. their ren.wal. HSC, especially of lymphoid lin.age, are the most vuln.rable of those, which are respon.ible for viability of organ.sm. n.tural an. artificial deficits of HSC determin. agin., multi-organ. syn.romes an. death of the host, because their curren. proliferative resource (CPR) is in.ividually limited at birth, an. is spen.in. irreversibly durin. woun.s’ healin., pregn.n.y, tumor growth, an. on. CPR, bein. an.in.egral value of the n.mber of stem cells alon. the len.th of their telomeres, is a “shagreen.skin., for which the tumor competes with n.rmal tissues as a quasi-embryon.c favorite an. win.er, especially in.the fin.l period of a shorten.n. the life. The primary approach to can.er treatmen. must prioritize the preservation.of CPR remn.n.s, rather than.their destruction. in.order to temporarily halt the malign.n. process. The re-targetin. of HSC from tumors in.favor of n.rmal tissues is the immediate objective of competitive therapy, which allows for preservin. the rest of the CPR host’s resources, especially in.patien.s with advan.ed can.er. However, the con.radictory an. in.ign.fican. practically, the dogma of an.itumor cellular immun.ty con.in.es to domin.te an. hin.er progress in.on.ology.

关键词： Lymphopoiesis Proliferatin. Resource Morphogen.sis Can.er-Fetus Reparation.Regen.ration Competitive Therapy

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Life Origin.in.the Milky Way Galaxy: I. The Stellar n.cleogen.sis of Elemen.s n.cessary for the Life Origin

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Journ.l of High En.rgy Physics, Gravitation.an. Cosmology 2024年第2期10卷 647-680页

作者： Alexan.er n. Safron.v Obukhov In.titute of Atmospheric Physics Russian Academy of Sciences Moscow Russia

Chemical elemen.s in.space can.be syn.hesized by stellar n.clear reactors. Studyin. the dyn.mics of processes occurrin. in.the stars in.roduces a con.ept of the en.emble-averaged stellar reactor. For future in.erstellar mission., the terrestrial an. solar abun.an.es were compared with con.iderable n.mber of stars allocated in.the ~200 pc solar n.ighborhood. Accordin. to the value of the effective temperature, four stellar classes are distin.uished, for which the correlation.coefficien.s an. stan.ard deviation.are calculated. The statemen. about the possibility of tran.ferrin. heavy elemen.s syn.hesized by stars over lon. distan.es in.space has been.completely refuted. There is n. immutability of the distribution.of elemen.s on.n.ighborin. stars an. in.the Solar System. It is shown.that chemical elemen.s are main.y syn.hesized in.ide each stellar reactor. The theory of the buoyan.y of elemen.s is gen.ralized to stars. It has been.suggested that stars overheat due to a shift in.the parameters of n.clear processes occurrin. in.ide stars, which leads to the syn.hesis of heavy elemen.s.

关键词： Stellar n.cleogen.sis Solar Abun.an.e En.emble-Averaged Stellar Reactor Stellar Abun.an.e In.erstellar Mission Habitability Dn.-Star

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The Effect of a Mon.tomic Layer on.a Surface on.the Tran.ition.Radiation

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Journ.l of High En.rgy Physics, Gravitation.an. Cosmology 2024年第2期10卷 710-723页

作者： Alexan.er n. Safron.v Obukhov In.titute of Atmospheric Physics Russian Academy of Sciences Moscow Russia

The tran.ition.radiation.of a charged particle crossin. the in.erface of two media havin. a mon.tomic impurity layer is in.estigated. It is shown.that at slidin. an.les of in.iden.e of a particle on.the boun.ary of the media, the tran.ition.radiation.is main.y determin.d by the properties of the surface layer. The possibility of usin. tran.ition.radiation.to study the surface of substan.es is discussed. In.addition. due to the hard radiation.presen. in.space, this research may be importan. for the use of light mon.atomic layers as a material for satellite an.en.as, “solar sails” an. cover layers in.a future space (in.erstellar) mission.

关键词： Relativistic Charged Particle Tran.ition.Radiation Mon.tomic Layer Spectral An.ular Distribution.of Radiation Slidin. An.le In.estigation.of Thin.Films In.erstellar Mission

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Life Origin.in.the Milky Way Galaxy: III. Spatial Distribution.of Overheated Stars in.the Solar n.ighborhood

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Journ.l of High En.rgy Physics, Gravitation.an. Cosmology 2024年第2期10卷 693-709页

作者： Alexan.er n. Safron.v Obukhov In.titute of Atmospheric Physics Russian Academy of Sciences Moscow Russia

A con.ept of en.emble averaged stellar reactors is developed to study the dyn.mics of processes occurrin. in.stars, allocated in.the ~200 pc solar n.ighborhood. Accordin. to the effective temperature value, four stellar classes are iden.ified, for which the correlation.coefficien.s an. stan.ard deviation.are coun.ed. The theory of the buoyan.y terrestial elemen.s is gen.ralized to stellar systems. It was suggested that stars are over-heated due to the shift parameters of the n.clear processes occurrin. in.ide the stars, which leads to the syn.hesis of tran.uran.um elemen.s un.il the achievemen. of a critical n.clear mass an. star explosion. The heavy tran.uran.um elemen.s sin. down.ard an. are con.en.rated in.the stellar depth layers. The physical explan.tion.of the existen.e of the critical Chan.rasekhar star limit has been.offered. Based on.the spatial an.lysis of overheated stars, it was suggested that the withdrawal of the stellar reactor from the equilibrium state is a con.equen.e of extragalactic compression.in.ide the galaxy arm due to the arm spirality (n.t to be con.used with the spirality of the galaxy itself).

关键词： Stellar n.cleogen.sis En.emble-Averaged Stellar Reactor Overheated Stars Chan.rasekhar Stellar Limit Arm Spirality

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