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Prabhakar Sharma,Avdhesh Kr Sharma Techno-Press 2022 Advances in energy research Vol.8 No.3
The dual-fuel technology, which uses gaseous fuel as the main fuel and liquid as the pilot fuel, is an appealing technology for reducing the exhaust emissions. The current study proposes emission models based on ANFIS for a dual-fuel using producer gas (PG)-diesel engine. Emissions measurements were taken at different engine load levels and fuel injection timings. The proposed model predictions were examined using statistical methods. With R2 values in the range of 0.9903 to 0.9951, the established ANFIS model was found to be consistently robust in predicting emission characteristics. The mean absolute percentage deviate in range 1.9 to 4.6%, and mean squared error varies in range 0.0018 to 13.9%. The evaluation of the ANFIS model developed shows a reliable claim of intrinsic sensitivity, strength, and outstanding generalization. The presented meta-model can be used to simulate the engine's operation in order to create an efficient control tool.
Police, Anil Kumar Reddy,Vattikuti, S.V. Prabhakar,Mandari, Kotesh Kumar,Chennaiahgari, Manvitha,M.V., Phanikrishna Sharma,Valluri, Durga Kumari,Byon, Chan Elsevier 2018 CERAMICS INTERNATIONAL Vol.44 No.10
<P><B>Abstract</B></P> <P>A novel Cu<SUB>2</SUB>O/TiO<SUB>2</SUB>/Bi<SUB>2</SUB>O<SUB>3</SUB> ternary nanocomposite was prepared, in which copper oxide improves the visible light absorption of TiO<SUB>2</SUB> and bismuth oxide improves electron–hole separation. The ternary composite exhibited extended absorption in the visible region, as determined by UV–Vis diffuse reflectance spectroscopy. High-resolution transmission electron microscopy images showed close contact among the individual semiconductor oxides in the ternary Cu<SUB>2</SUB>O/TiO<SUB>2</SUB>/Bi<SUB>2</SUB>O<SUB>3</SUB> nanocomposite. Improved charge carrier separation and transport were observed in the Cu<SUB>2</SUB>O/TiO<SUB>2</SUB>/Bi<SUB>2</SUB>O<SUB>3</SUB> ternary composite using electrochemical impedance spectroscopy and photocurrent analysis. TiO<SUB>2</SUB> modified with bismuth and copper oxides showed exceptional photocatalytic activity for hydrogen production under natural solar light. With optimum bismuth and copper oxide loadings, the Cu<SUB>2</SUB>O/TiO<SUB>2</SUB>/Bi<SUB>2</SUB>O<SUB>3</SUB> ternary nanocomposite exhibited an H<SUB>2</SUB> production (3678 μmol/h) 35 times higher than that of bare TiO<SUB>2</SUB> (105 μmol/h). The synergistic effect of improved visible absorption and minimal recombination was responsible for the enhanced performance of the as-synthesized ternary nanocomposite.</P>