Self-Powered Helical Flux Compression Generator for Remote Pulse Current
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Solution Overview
Problem
Conventional explosively pumped flux compression generators (EPFCGs) rely on external power sources to generate a magnetic field, limiting their ability to operate independently and deliver high-energy pulses in isolated environments.
Innovation Solution
A helical-type explosively pumped flux compression generator (HEPFCG) design that uses a rotating core with either permanent magnets or electromagnets, a solenoid winding, and a solid propellant to generate its own electrical current, allowing it to produce a high-energy pulse without external power sources by leveraging chemical energy for thrust and magnetic field compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional EPFCGs use external power sources to generate magnetic field, then reliable magnetic field production is achieved, but device portability and independence are reduced
Solution Approach 1:
The invention merges the power generation function with the magnetic field generation function by integrating a dynamo mechanism directly into the EPFCG system. The dynamo uses a rotating armature with magnets that generates electrical current during the explosive compression process, eliminating the need for separate external power sources while maintaining reliable magnetic field production.
Solution Approach 2:
The EPFCG system becomes self-sufficient by using its own mechanical energy from the explosive-driven compression process to generate the electrical current needed for magnetic field production. The dynamo converts the kinetic energy of the moving armature into electrical energy that powers the solenoid windings, making the system independent of external infrastructure.
2Length of moving object
If EPFCG operates without external power sources, then device independence and portability are improved, but ability to generate initial magnetic field is reduced
Solution Approach 1:
The dynamo mechanism is pre-configured within the EPFCG structure with armature magnets and solenoid windings positioned to generate current during the explosive compression sequence. The geometry and magnetic circuit are designed in advance to ensure sufficient current generation capability without requiring external power sources during operation.
3Use of energy by moving object
If bulky electrical storage devices are used to power explosive phase, then sufficient energy for explosive compression is achieved, but device size and complexity increase
Solution Approach 1:
The invention replaces the conventional approach of using large electrical storage devices (chemical energy source) with a mechanical energy conversion system. The dynamo converts mechanical kinetic energy from the explosive-driven armature motion into electrical energy, eliminating the need for bulky batteries or capacitors while providing sufficient power for the explosive phase.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the delivery of intense, high-level currents in isolated environments, eliminating the need for traditional electrical infrastructure and allowing for remote operation of high-energy devices.
Implementation Method 1
The invention then uses the chemical energy from the burning solid propellant to produce thrust
Implementation Method 2
As that core rotates, it induces an electromotive force in the solenoid winding of the HEPFCP, causing the invention to act much as a stator in dynamo
Implementation Method 3
the explosive in the core will ignite and begin to expand
Implementation Method 4
The compression caused by the continuously expanding core will diminish the number of turns not short circuited, compressing the magnetic field, and creating an inductive current
Data Source
AI summary
A helical-type explosively pumped flux compression generator (HEPFCP) capable of natively generating its own electrical current to successfully power the explosive phase of current generation required to power a load. It uses the chemical energy stored in a solid propellant to rotate an explosively laden dynamo armature inside a stationary solenoid winding. Thrust produced by burning propellant is directed by aerodynamic structures so it causes centripetal acceleration of the core thereby inducing an electromotive force in the solenoid winding, causing it to act much as a stator in dynamo. A rectifier rectifies this induced AC voltage into a DC current, then charges a capacitor bank. The propellant burns down to the explosive core, then the core expands, contacting the solenoid winding, forming a new circuit. The compression caused by the continuously expanding core will diminish the number of turns not short circuited, compressing the magnetic field, and creating an inductive current. At the point of greatest flux compression, a load switch is opened, and the maximum current is delivered to the load.