A new reasonably perfect dynamic mathematic model has been established for condenser used in ship nuclear power plant according to its structural features and operating principle. The model has been solved by the Rung...A new reasonably perfect dynamic mathematic model has been established for condenser used in ship nuclear power plant according to its structural features and operating principle. The model has been solved by the Runge-Kutta method. And an analysis program has been developed for dynamic numerical simulation under steady operation condition, disturbance condition, and accident condition. The dynamic characteristics of condenser has been calculated and analyzed under several kinds of disturbances, and the results of calculation are in good agreement with the theoretical analysis.展开更多
Previous studies show that exposure to high-voltage electric fields would influence the electro-cardiogram both in experimental animals and human beings.The effects of the external electric fields upon action potentia...Previous studies show that exposure to high-voltage electric fields would influence the electro-cardiogram both in experimental animals and human beings.The effects of the external electric fields upon action potential of cardiac cells are studied in this paper based on the dynamical model,LR91.Fourth-order Runger-Kuta is used to analyze the change of potassium ion channels exposed to external electric fields in detail.Results indicate that external electric fields could influence the current of potassium ion by adding an induced component voltage on membrane.This phenomenon might be one of the reasons of heart rate anomaly under the high-voltage electric fields.展开更多
文摘A new reasonably perfect dynamic mathematic model has been established for condenser used in ship nuclear power plant according to its structural features and operating principle. The model has been solved by the Runge-Kutta method. And an analysis program has been developed for dynamic numerical simulation under steady operation condition, disturbance condition, and accident condition. The dynamic characteristics of condenser has been calculated and analyzed under several kinds of disturbances, and the results of calculation are in good agreement with the theoretical analysis.
基金supported by the National Nature Science Foundation of China under Grant No. 30400105
文摘Previous studies show that exposure to high-voltage electric fields would influence the electro-cardiogram both in experimental animals and human beings.The effects of the external electric fields upon action potential of cardiac cells are studied in this paper based on the dynamical model,LR91.Fourth-order Runger-Kuta is used to analyze the change of potassium ion channels exposed to external electric fields in detail.Results indicate that external electric fields could influence the current of potassium ion by adding an induced component voltage on membrane.This phenomenon might be one of the reasons of heart rate anomaly under the high-voltage electric fields.
