Counter Electrode Layout for Stable High-Energy Liquid Discharge
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Solution Overview
Problem
Existing electric discharge devices have limitations in generating active ingredients efficiently, particularly in terms of energy and stability of discharge paths between electrodes.
Innovation Solution
The electric discharge device incorporates a columnar discharge electrode and a counter electrode with a peripheral and projecting electrode part, where the liquid supplied to the discharge electrode expands and contracts, creating a Taylor cone that enhances discharge energy and stability by concentrating the electric field between the projecting electrode part and the liquid tip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a needle-shaped electrode part is used as the counter electrode, then discharge stability is improved, but active ingredient generation efficiency is limited
Solution Approach 1:
The counter electrode is segmented into a peripheral electrode part and a projecting electrode part, where the peripheral part provides stable discharge through its needle-shaped structure, while the projecting part enhances active ingredient generation by creating concentrated electric field regions. This segmentation allows both functions to coexist without compromising either discharge stability or generation efficiency.
Solution Approach 2:
Different regions of the counter electrode are given different functional qualities: the peripheral electrode part maintains a needle-shaped geometry for stable discharge, while the projecting electrode part extends into the discharge space to create localized high-energy regions. This local differentiation optimizes each region for its specific function while contributing to overall system performance.
2Productivity
If liquid is supplied to the discharge electrode, then active ingredient generation is enhanced, but liquid deformation amplitude increases reducing frequency
Solution Approach 1:
The projecting electrode part acts as a counterbalancing element that creates an opposing electric field force to the liquid's natural deformation tendency. This counteracting force reduces the amplitude of liquid oscillations, thereby increasing the oscillation frequency and enabling more frequent discharge events that enhance active ingredient generation.
Solution Approach 2:
By introducing the projecting electrode part, the electric field distribution parameters are changed, creating a more favorable field configuration that constrains liquid deformation. This parameter change in the electric field structure directly influences the liquid's oscillation characteristics, reducing amplitude and increasing frequency.
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
This configuration improves the generation efficiency of active ingredients by maintaining a stable discharge path with high energy and reducing the amplitude of liquid deformation, leading to increased frequency and effectiveness of active ingredient production.
Implementation Method 1
generate discharge by applying an application voltage between the discharge electrode and the counter electrode. The discharge generated in the electric discharge device is discharge that intermittently generates a discharge path having dielectric breakdown
Implementation Method 2
The liquid supplied to the discharge electrode expands and contracts by discharge along a central axis of the discharge electrode to form a Taylor cone
Data Source
AI summary
An electric discharge device according to the present disclosure includes a discharge electrode, a counter electrode, a voltage application circuit, and a liquid supply unit. The discharge electrode is a columnar electrode. The counter electrode faces the discharge electrode. The voltage application circuit applies an application voltage between the discharge electrode and the counter electrode. The liquid supply unit supplies liquid to the discharge electrode. The liquid extends and contracts along a central axis of the discharge electrode by discharge. The counter electrode includes a peripheral electrode part and a projecting electrode part. In a direction along the central axis of the discharge electrode, a tip of the liquid in a state in which the liquid extends is located at the same position as an outer peripheral edge of the peripheral electrode part or located closer to the discharge electrode than the outer peripheral edge.