Otu akụkụ nke oghere oghere (plasma na-eche ihu ihe) nke ngwaọrụ nnwale fusion na n'ọdịnihu fusion reactor na-abata na plasma. Mgbe ion plasma na-abanye n'ime ihe ahụ, ihe ndị ahụ na-aghọ atom na-anọpụ iche ma na-anọ n'ime ihe ahụ. Ọ bụrụ na a na-ahụ ya site na atom ndị mejupụtara ihe ahụ, ion plasma nke batara na-aghọ atọm adịghị ọcha. Atọm adịghị ọcha na-akwaga nwayọọ nwayọọ n'etiti oghere n'etiti atọm ndị mejupụtara ihe ahụ na n'ikpeazụ, ha na-agbasa n'ime ihe ahụ. N'aka nke ọzọ, ụfọdụ atọm adịghị ọcha na-alọghachi n'elu ma na-ebunyekwa ya na plasma ọzọ. Maka njide kwụsiri ike nke plasma ngwakọta, nguzozi n'etiti ntinye nke ion plasma n'ime ihe yana mweghachi nke atọm adịghị ọcha mgbe ọpụpụ si n'ime ihe ahụ ga-adị ezigbo mkpa.
Ụzọ mbugharị nke atọm adịghị ọcha n'ime ihe ndị nwere ezigbo kristal akọwapụtala nke ọma n'ọtụtụ nyocha. Otú ọ dị, ihe ndị bụ ezie nwere ihe owuwu polycrystalline, mgbe ahụ, ụzọ mbugharị na mpaghara oke ọka akọwapụtabeghị. Ọzọkwa, n'ime ihe na-emetụ plasma na-aga n'ihu, a na-agbaji ihe owuwu kristal n'ihi ntinye oke nke ion plasma. Ụzọ mbugharị nke atọm adịghị ọcha dị n'ime ihe nwere nhazi kristal na-emebi emebi enyochabeghị nke ọma.
Otu nnyocha nke Prọfesọ Atsushi Ito, nke National Institutes of Natural Sciences NIFS, enweela ihe ịga nke ọma n'ịmepụta usoro maka akpaka na ngwa ngwa ọchụchọ gbasara ụzọ njem n'ime ihe ndị nwere ihe na-eme ka atom atom na-eme ihe ike site n'ụdị molekụla na ngụkọta yiri ya na supercomputer. Nke mbụ, ha na-ewepụta ọtụtụ obere ngalaba na-ekpuchi ihe niile.
N'ime obere ngalaba ọ bụla, ha na-agbakọ ụzọ mbugharị nke atọm adịghị ọcha site na ngbanwe nke molikula. A ga-emecha mgbakọ ndị ahụ nke obere ngalaba n'ime obere oge n'ihi na nha nke ngalaba ahụ dị ntakịrị na ọnụ ọgụgụ nke atom ndị a ga-emeso adịghị ọtụtụ. N'ihi na enwere ike ịme mgbakọ na obere ngalaba ọ bụla n'onwe ya, a na-eme mgbakọ n'otu n'otu site na iji NIFS supercomputer, Plasma Simulator, na HELIOS supercomputer system na Computational Simulation Center of International Fusion Energy Research Center (IFERC-CSC), Aomori, Japan. Na Plasma Simulator, n'ihi na ọ ga-ekwe omume iji cores CPU 70,000, enwere ike ịme ngụkọta oge karịa ngalaba 70,000. Ijikọta ngụkọta ngụkọta niile sitere na obere ngalaba, a na-enweta ụzọ ọpụpụ n'elu ihe niile.
Ụzọ myirịta dị otú ahụ nke nnukwu kọmputa dị iche na nke a na-ejikarị eme ihe, a na-akpọkwa MPMD3) -ụdị myirịta. Na NIFS, a tụpụtara usoro ịme anwansị nke na-eji ụdị MPMD eme ihe nke ọma. Site na ijikọta ntukota na echiche ndị na-adịbeghị anya gbasara akpaaka, ha erutela na usoro ọchụchọ akpaka dị elu maka ụzọ mbata.
Site n'iji usoro a, ọ ga-ekwe omume ịchọ ụzọ mbugharị nke atọm adịghị ọcha n'ụzọ dị mfe maka ihe ndị nwere oke ọka kristal ma ọ bụ ọbụna ihe nke usoro kristal na-emebi site na kọntaktị ogologo oge na plasma. N'ịchọpụta omume nke mbugharị mkpokọta nke atọm adịghị ọcha n'ime ihe dabere na ozi gbasara ụzọ ọpụpụ a, anyị nwere ike ime ka ihe ọmụma anyị dị omimi gbasara nguzozi urughuru n'ime plasma na ihe. N'ihi ya, a na-atụ anya mmụba na mmachi plasma.
E gosipụtara nsonaazụ ndị a na May 2016 na 22nd International Conference on Plasma Surface Interaction (PSI 22), a ga-ebipụta ya na akwụkwọ akụkọ Nuclear Materials and Energy.
Oge nzipu: Dec-25-2019