The high frequency switch-mode power supply focused by this subject mainly used in galvanoplastics(NDF), electrification(NCF), electrical chemistry(NHF), and excitation(NLF).
Taking aft-end igniter design for a rocket motor for example,design methods for ignition sequence,amorce quantity estimation and nozzle closure were described respectively.
Technicality reliability and practicability for the newly-reformed LSY conveyor have been highly improved.The specification and model of the products have been seriated.
The process beginnng from powder burning to the ejection pistons pushing out the bomb and its moving back was analyzed applying classical interior ballistics and gasdynamics theory.