Approximate determination of characteristics of discharging electrochemical Ni-Cd system
Približno određivanje karakteristika procesa pražnjenja elektrohemijskog Ni-Cd sistema
Apstrakt
In this publication we were talking about problems of approximate determination of characteristics in functions depending on voltage, energy and conductivity of discharging, using interpolar and approximation math methods, on concrete examples nonhermetics cells and batteries on room temperature. It was shown how it is under data's of experimental measurements of voltage, electric current and time, discharging gives estimated values of characteristics into process mention systems, by using second Njutn or Lagrange's interpolar polynomial and math model which is looking like corresponding polynomial which is calculate by approximation of smallest quadrates. Also is shown how and in which relation electric current of discharging, effects on a value remainder capacity indicated electrochemical system in constant temperature. Derived results for mentioned characteristics are satisfactory for practice and further examinations, which is goal of this publication. .
U radu je obrađena problematika približnog određivanja karakteristika funkcija napona, energije i kapaciteta pražnjenja primenom interpolacionih i aproksimacionih matematičkih metoda, na konkretnim primerima nehermetičke ćelije i akumulatora na sobnoj temperaturi. Pokazano je kako se na osnovu podataka eksperimentalnih merenja napona, struja i vremena pražnjenja dobijaju približne vrednosti karakteristika procesa pražnjenja navedenih sistema primenom drugog Njutnovog ili Lagranžeovog interpolacionog polinoma i matematičkog modela u vidu polinoma odgovarajućeg stepena dobijenog aproksimacionom metodom najmanjih kvadrata. Takođe je pokazano kako i u kojoj meri struja pražnjenja utiče na vrednost odatog raspoloživog kapaciteta navedenog elektrohemijskog sistema pri nepromenljivoj temperaturi. Dobijeni rezultati za navedene karakteristike su zadovoljavajući za praksu i dalja istraživanja, što jeste cilj ovog rada.
Izvor:
Energetske tehnologije, 2009, 6, 3-4, 48-55Izdavač:
- Društvo za sunčevu energiju "Srbija solar", Zrenjanin
Institucija/grupa
Tehnološko-metalurški fakultetTY - JOUR AU - Todorović, Andreja AU - Grgur, Branimir PY - 2009 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1458 AB - In this publication we were talking about problems of approximate determination of characteristics in functions depending on voltage, energy and conductivity of discharging, using interpolar and approximation math methods, on concrete examples nonhermetics cells and batteries on room temperature. It was shown how it is under data's of experimental measurements of voltage, electric current and time, discharging gives estimated values of characteristics into process mention systems, by using second Njutn or Lagrange's interpolar polynomial and math model which is looking like corresponding polynomial which is calculate by approximation of smallest quadrates. Also is shown how and in which relation electric current of discharging, effects on a value remainder capacity indicated electrochemical system in constant temperature. Derived results for mentioned characteristics are satisfactory for practice and further examinations, which is goal of this publication. . AB - U radu je obrađena problematika približnog određivanja karakteristika funkcija napona, energije i kapaciteta pražnjenja primenom interpolacionih i aproksimacionih matematičkih metoda, na konkretnim primerima nehermetičke ćelije i akumulatora na sobnoj temperaturi. Pokazano je kako se na osnovu podataka eksperimentalnih merenja napona, struja i vremena pražnjenja dobijaju približne vrednosti karakteristika procesa pražnjenja navedenih sistema primenom drugog Njutnovog ili Lagranžeovog interpolacionog polinoma i matematičkog modela u vidu polinoma odgovarajućeg stepena dobijenog aproksimacionom metodom najmanjih kvadrata. Takođe je pokazano kako i u kojoj meri struja pražnjenja utiče na vrednost odatog raspoloživog kapaciteta navedenog elektrohemijskog sistema pri nepromenljivoj temperaturi. Dobijeni rezultati za navedene karakteristike su zadovoljavajući za praksu i dalja istraživanja, što jeste cilj ovog rada. PB - Društvo za sunčevu energiju "Srbija solar", Zrenjanin T2 - Energetske tehnologije T1 - Approximate determination of characteristics of discharging electrochemical Ni-Cd system T1 - Približno određivanje karakteristika procesa pražnjenja elektrohemijskog Ni-Cd sistema EP - 55 IS - 3-4 SP - 48 VL - 6 UR - https://hdl.handle.net/21.15107/rcub_technorep_1458 ER -
@article{ author = "Todorović, Andreja and Grgur, Branimir", year = "2009", abstract = "In this publication we were talking about problems of approximate determination of characteristics in functions depending on voltage, energy and conductivity of discharging, using interpolar and approximation math methods, on concrete examples nonhermetics cells and batteries on room temperature. It was shown how it is under data's of experimental measurements of voltage, electric current and time, discharging gives estimated values of characteristics into process mention systems, by using second Njutn or Lagrange's interpolar polynomial and math model which is looking like corresponding polynomial which is calculate by approximation of smallest quadrates. Also is shown how and in which relation electric current of discharging, effects on a value remainder capacity indicated electrochemical system in constant temperature. Derived results for mentioned characteristics are satisfactory for practice and further examinations, which is goal of this publication. ., U radu je obrađena problematika približnog određivanja karakteristika funkcija napona, energije i kapaciteta pražnjenja primenom interpolacionih i aproksimacionih matematičkih metoda, na konkretnim primerima nehermetičke ćelije i akumulatora na sobnoj temperaturi. Pokazano je kako se na osnovu podataka eksperimentalnih merenja napona, struja i vremena pražnjenja dobijaju približne vrednosti karakteristika procesa pražnjenja navedenih sistema primenom drugog Njutnovog ili Lagranžeovog interpolacionog polinoma i matematičkog modela u vidu polinoma odgovarajućeg stepena dobijenog aproksimacionom metodom najmanjih kvadrata. Takođe je pokazano kako i u kojoj meri struja pražnjenja utiče na vrednost odatog raspoloživog kapaciteta navedenog elektrohemijskog sistema pri nepromenljivoj temperaturi. Dobijeni rezultati za navedene karakteristike su zadovoljavajući za praksu i dalja istraživanja, što jeste cilj ovog rada.", publisher = "Društvo za sunčevu energiju "Srbija solar", Zrenjanin", journal = "Energetske tehnologije", title = "Approximate determination of characteristics of discharging electrochemical Ni-Cd system, Približno određivanje karakteristika procesa pražnjenja elektrohemijskog Ni-Cd sistema", pages = "55-48", number = "3-4", volume = "6", url = "https://hdl.handle.net/21.15107/rcub_technorep_1458" }
Todorović, A.,& Grgur, B.. (2009). Approximate determination of characteristics of discharging electrochemical Ni-Cd system. in Energetske tehnologije Društvo za sunčevu energiju "Srbija solar", Zrenjanin., 6(3-4), 48-55. https://hdl.handle.net/21.15107/rcub_technorep_1458
Todorović A, Grgur B. Approximate determination of characteristics of discharging electrochemical Ni-Cd system. in Energetske tehnologije. 2009;6(3-4):48-55. https://hdl.handle.net/21.15107/rcub_technorep_1458 .
Todorović, Andreja, Grgur, Branimir, "Approximate determination of characteristics of discharging electrochemical Ni-Cd system" in Energetske tehnologije, 6, no. 3-4 (2009):48-55, https://hdl.handle.net/21.15107/rcub_technorep_1458 .