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Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies
Published on: August 25, 2018
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Influence of Coil Power Ranges on the E-Liquid Consumption in Vaping Devices
S Ebastien Soulet1,2, Marie Duquesne3, Jean Toutain4
1Laboratoire Français du E-Liquide (LFEL), 218 Avenue du Haut Lévêque, 33600 Pessac, France. sebastien.soulet@lfel.fr.
Summary
This study investigates how battery power affects e-liquid vaporization in electronic cigarettes (e-cigarettes). Optimal power ranges were identified, showing efficient vaporization with specific atomizer resistances.
Area of Science:
- Chemical Engineering
- Materials Science
- Public Health
Background:
- Electronic cigarettes (e-cigarettes) are evolving, making systematic analysis of device function and e-liquid vaporization complex.
- Understanding the parameters influencing e-cigarette operation is crucial for device development and safety.
Purpose of the Study:
- To experimentally investigate the influence of supplied battery power on e-liquid consumption in e-cigarettes.
- To determine the reproducibility and repeatability of e-liquid consumption across different atomizers and power levels.
- To identify optimal power ranges for efficient e-liquid vaporization.
Main Methods:
- Experimental study of e-liquid consumption under varying power levels supplied to the atomizer coil.
- Investigation of reproducibility and repeatability over multiple puff series for selected atomizers.
- Analysis of atomizer wire behavior across three power regimes: under-heating, optimal vaporization, and over-heating.
Main Results:
- E-liquid vaporization was characterized by three power regimes: under-heating, optimal linear vaporization, and over-heating (dry-burn).
- Reproducibility of vaporized e-liquid quantity was verified using a controllable energy supply for most atomizers.
- Atomizers with resistances between 1 Ω and 1.8 Ω demonstrated efficient energy utilization for vaporization.
Conclusions:
- Supplied power significantly influences e-liquid vaporization and consumption in e-cigarettes.
- Optimal power ranges exist for efficient vaporization, maximizing energy use and minimizing waste.
- Atomizer resistance is a key factor in efficient e-liquid vaporization and energy utilization.
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