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Structural and Functional Prototypes
Published in Debasish Sarkar, Ceramic Processing, 2019
Sangeeta Adhikari, Debasish Sarkar
NbTi wires are also applicable in particle accelerator systems in high-energy physics, but their high cost still limits their use, stopping it from going from demonstration to commercialization, considering the requirements of substantial magnetic field level and also operating temperature above liquid helium. The operated electronic circuitry for liquid helium is presently toying with an Nb thin-film technology in blend with Nb/Al/AlOx/Nb Josephson junctions to be applicable in commercial SQUID magnetic field sensors [54]. In BSCCO-based superconductors, different compositions of copper in the system are coded differently, such as Bi2Sr2CaCu2O8-x (Bi-2212) and Bi2Sr2Ca2Cu3O8-x (Bi-2223). Ag-alloy clad Bi-2212 is the only high-temperature superconductor that can have a twisted configuration which reduces the charging loss hysteretically. Moreover, being electro-magnetically isotropic and multifilamentary, it is not significantly affected by the screening currents induced due to a large radial field in wounded solenoid with anisotropic tape conductors. In this context, this material has competed with other candidates in the high-energy and high-homogeneity magnetic fields, and is majorly applicable in nuclear magnetic resonance and particle accelerator magnets. A persistent current mode is highly desirable for NMR where the superconducting joints in Ag-alloy-clad Bi-2212 are the key component. A study demonstrated proper joint matrix with addition of different amounts of Ag in Bi-2212 and investigated their differential thermal analysis. The study also stated that the process is effective in practical applications, enabling the achievement of Bi-2212 superconducting joints with good superconductive properties [55]. The processing of such superconducting cuprate materials is not sophisticated and does not require complex systems for their synthesis. These can be prepared through a modified co-precipitation process (Bi2.1Sr1.96CaCuxO8+δ (Bi-2212)) [56]. Materials such as Y-Ba-Cu-O, Bi-Ca-Sr-Cu-O, and Tl-Ca-Ba-Cu-O are prepared using a modified citrate precursor process [57]. In thallium-based systems, thallium oxide is added during the final sintering process. The powders obtained from these processes exhibit high reproducibility.
Performance effect of nanoparticle on Mahua biodiesel fuelled in constant speed diesel engine
Published in International Journal of Ambient Energy, 2022
P. Sivamurugan, Jinan Sugathan, Sajin Justin Abhram Baby
In this work, Thallium oxide nanoparticles were added toMUBD100 at 50, 100 ppm to improve its performance aspects. The major outline from this experimental work is detailed Increasing Thallium oxide nanoparticle in the MUBD100 had a better BTE. Thallium oxide nanoparticle develops the oxidation process during combustion which improves the combustion process and enhances BTE. 0.8% enhancement in BTE was observed for MUBD100 by blending 100 ppm of thallium oxide nanoparticle.BSFC for Tl2O50MUBD100, Tl2O100MUBD100 is inferior to MUBD100. BSFC lessen with an amplification in thallium oxide nano additive. 4.4% reduction in BSFC was observed for MUBD100 by blending 100 ppm of thallium oxide nanoparticle. This reduction is due to better evaporation-rate of fuel, enhanced delay-period, superior ignition-pattern.Thallium oxide nanoparticle inclusion improved the atomisation process during the combustion and lowered the EGT of biodiesel by 4.7%. Fuel with lower EGT leads to improved efficiency.
Cephalexin: DNA minor groove binders and enhanced photocatalytic degradation by Tl2O3 synthesized using basil seed
Published in Inorganic and Nano-Metal Chemistry, 2021
Arezo Mohammadkhani, Azar Bagheri Gh
Tl2O3 is metal with high conductivity and a degenerate n-type semiconductor with a band gap of 1.4 eV which have potential use in solar cells.[6] Due to the high oxidation potential of trivalent thallium, TlX3 (X = halide) solids are rather unstable.[7] Thallium(III) oxide is a highly insoluble thermally stable thallium source suitable for glass, optic and ceramic applications. Therefore, it is very important to be able to fabricate these nanoparticles using a very simple method. Due to the high solubility of thallium hydroxide in water and methanol, nano thallium oxide synthesis is difficult. Thus, there are only a few reports on the synthesis of nano-sized Tl2O3 using thermal decomposition,[8] electrodeposition,[9] and sonochemical[10] methods.