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서정주(J.J.Suh),왕우경(W.K.Wang),안수길(S.K.Ahn) 한국자동차공학회 1992 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1992 No.11
The ignition delay of diesel oil and fish oil blended diesel oils was investigated according to pressure and temperature in a constant volume combustion bomb.<br/> The evaporation and combustion duration of diesel oil and fish oil blended diesel oils were respectively different in high and low temperature.<br/> The dependence of temperature on the ignition delay was different in<br/> high and low temperature at the 773 K.<br/> The dependence of pressure on the ignition delay was almost linear,<br/> regardless of the test fuels at the constant temperature (a63. K).<br/> The ignition delay was almost longer as the blending rate of fish oil increase at the constant temperature and pressure, and it was no significant difference in high temperature and pressure.
Enhanced energy storage properties in PbZrO3 thin films via the incorporation of NiO
Wang X.W.,Chen J.Y.,Hu S.Y.,Yu K.X.,Yang F.,Shi Y.J.,Li J.H.,Hou M.Z.,Liu A.D.,Zheng M.M.,Yin S.Q.,Hu Y.C.,Shang J. 한국물리학회 2023 Current Applied Physics Vol.52 No.-
In this study, NiO–PbZrO3 composite films were deposited on SiO2/Si substrates buffered with LaNiO3 films via the sol-gel coating technique. The effects of NiO addition in PZO thin films on the microstructure, dielectric properties, leakage mechanism, ferroelectric properties and energy storage properties have been discussed. The dielectric constant increased with the addition of NiO, while the leakage current density decreased. Compared with pure PZO films, the maximum polarization of the composite films was improved. For the composite films prepared using the NiO precursor solution with 0.05 mol/L, the recoverable energy storage density of the NiO-PZO composite film is up to 19.6 J/cm3 under the electric field of 1038 kV/cm, which is 30% higher than that of the pure PZO film under the same conditions. Also, the energy storage efficiency of the composite film reaches 48%. Accordingly, we demonstrate a simple and convenient method by adding NiO to fabricate thin films with high energy storage performance.
Application of MJO simulation diagnostics to climate model simulations
Daehyun Kim,D. E. Waliser,K. R. Sperber,L Donner,J. Gottschalck,H. H. Hendon,W. Higgins,I.-S. Kang,E. D. Maloney,M. W. Moncrieff,S. Schubert,W. Stern,F. Vitart,B. Wang,W. Wang,K. M. Weickmann,M. C. Wh 한국기상학회 2008 한국기상학회 학술대회 논문집 Vol.2008 No.-