Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that ...Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that the fin-propeller test set-up produces more lift than simple fin, and provides lateral thrust as well, and it is therefore an effective roll stabilization devicefor ships in full speed range.展开更多
A new wet flue gas desulfurization method by reaction across the falling liquid film on the outside surface of axial finned-tube bundle and its principles of removal of SO 2 are presented in this paper.The effects of ...A new wet flue gas desulfurization method by reaction across the falling liquid film on the outside surface of axial finned-tube bundle and its principles of removal of SO 2 are presented in this paper.The effects of different styles of tube bundle,and the pitch of tubes,flue gas velocity,gas-liquid ratio and flue gas temperature on desulphurization efficiency and the moisture content of flue gas are studied.The experiment results show that desulphurization effect is better for flue gas at 65 ℃,4.0 m·s -1against the tube bundle of 10 rows with relative pitch of staggered rows S 1/d=2.1,S 2/d=1.8.展开更多
Under the natural and forced convection conditions, the condensation heat transfer per-formance of nonazeotropic mixtures in a bundle of petal-shpaed finned tube was studied. Experimentalresults showed that petal-shap...Under the natural and forced convection conditions, the condensation heat transfer per-formance of nonazeotropic mixtures in a bundle of petal-shpaed finned tube was studied. Experimentalresults showed that petal-shaped finned tube remarkedly enhanced the condensation heat transfer ofnonazeotropic mixtures in the bundle, the condensation heat transfer per formance under forced con-vection was better than that of natural convection.展开更多
文摘Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that the fin-propeller test set-up produces more lift than simple fin, and provides lateral thrust as well, and it is therefore an effective roll stabilization devicefor ships in full speed range.
文摘A new wet flue gas desulfurization method by reaction across the falling liquid film on the outside surface of axial finned-tube bundle and its principles of removal of SO 2 are presented in this paper.The effects of different styles of tube bundle,and the pitch of tubes,flue gas velocity,gas-liquid ratio and flue gas temperature on desulphurization efficiency and the moisture content of flue gas are studied.The experiment results show that desulphurization effect is better for flue gas at 65 ℃,4.0 m·s -1against the tube bundle of 10 rows with relative pitch of staggered rows S 1/d=2.1,S 2/d=1.8.
文摘Under the natural and forced convection conditions, the condensation heat transfer per-formance of nonazeotropic mixtures in a bundle of petal-shpaed finned tube was studied. Experimentalresults showed that petal-shaped finned tube remarkedly enhanced the condensation heat transfer ofnonazeotropic mixtures in the bundle, the condensation heat transfer per formance under forced con-vection was better than that of natural convection.
