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Effects of Manufacturing Variation in Electronic Cigarette Coil Resistance and Initial Pod Mass on Coil Lifetime and Aerosol Generation

Author

Listed:
  • Qutaiba M. Saleh

    (Department of Computer Engineering, Rochester Institute of Technology, Rochester, NY 14623, USA)

  • Edward C. Hensel

    (Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, NY 14623, USA)

  • Nathan C. Eddingsaas

    (School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY 14623, USA)

  • Risa J. Robinson

    (Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, NY 14623, USA)

Abstract

This work investigated the effects of manufacturing variations, including coil resistance and initial pod mass, on coil lifetime and aerosol generation of Vuse ALTO pods. Random samples of pods were used until failure (where e-liquid was consumed, and coil resistance increased to high value indicating a coil break). Initial coil resistance, initial pod mass, and e-liquid net mass ranged between 0.89 to 1.14 [Ω], 6.48 to 6.61 [g], and 1.88 to 2.00 [g] respectively. Coil lifetime was µ (mean) = 158, σ (standard deviation) = 21.5 puffs. Total mass of e-liquid consumed until coil failure was µ = 1.93, σ = 0.035 [g]. TPM yield per puff of all test pods for the first session (brand new pods) was µ = 0.0123, σ = 0.0003 [g]. Coil lifetime and TPM yield per puff were not correlated with either variation in initial coil resistance or variation in initial pod mass. The absence of e-liquid in the pod is an important factor in causing coil failure. Small bits of the degraded coil could be potentially introduced to the aerosol. This work suggests that further work is required to investigate the effect of e-liquid composition on coil lifetime and TPM yield per puff.

Suggested Citation

  • Qutaiba M. Saleh & Edward C. Hensel & Nathan C. Eddingsaas & Risa J. Robinson, 2021. "Effects of Manufacturing Variation in Electronic Cigarette Coil Resistance and Initial Pod Mass on Coil Lifetime and Aerosol Generation," IJERPH, MDPI, vol. 18(8), pages 1-11, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:8:p:4380-:d:539939
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    References listed on IDEAS

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    1. Konstantinos E. Farsalinos & Vassilis Voudris & Konstantinos Poulas, 2015. "Are Metals Emitted from Electronic Cigarettes a Reason for Health Concern? A Risk-Assessment Analysis of Currently Available Literature," IJERPH, MDPI, vol. 12(5), pages 1-18, May.
    2. Nathan Eddingsaas & Todd Pagano & Cody Cummings & Irfan Rahman & Risa Robinson & Edward Hensel, 2018. "Qualitative Analysis of E-Liquid Emissions as a Function of Flavor Additives Using Two Aerosol Capture Methods," IJERPH, MDPI, vol. 15(2), pages 1-14, February.
    3. Qutaiba M. Saleh & Edward C. Hensel & Risa J. Robinson, 2020. "Method for Quantifying Variation in the Resistance of Electronic Cigarette Coils," IJERPH, MDPI, vol. 17(21), pages 1-16, October.
    4. Sungroul Kim & Maciej L. Goniewicz & Sol Yu & Bokyeong Kim & Ribhav Gupta, 2015. "Variations in Label Information and Nicotine Levels in Electronic Cigarette Refill Liquids in South Korea: Regulation Challenges," IJERPH, MDPI, vol. 12(5), pages 1-10, May.
    5. Sébastien Soulet & Marie Duquesne & Jean Toutain & Charly Pairaud & Hélène Lalo, 2018. "Influence of Coil Power Ranges on the E-Liquid Consumption in Vaping Devices," IJERPH, MDPI, vol. 15(9), pages 1-14, August.
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    Cited by:

    1. Brian Rastian & Chase Wilbur & Daniel B. Curtis, 2022. "Transfer of Metals to the Aerosol Generated by an Electronic Cigarette: Influence of Number of Puffs and Power," IJERPH, MDPI, vol. 19(15), pages 1-17, July.
    2. Dominic L. Palazzolo & Jordan Caudill & James Baron & Kevin Cooper, 2021. "Fabrication and Validation of an Economical, Programmable, Dual-Channel, Electronic Cigarette Aerosol Generator," IJERPH, MDPI, vol. 18(24), pages 1-26, December.

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