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<front>
<journal-meta>
<journal-id journal-id-type="publisher">EGUsphere</journal-id>
<journal-title-group>
<journal-title>EGUsphere</journal-title>
<abbrev-journal-title abbrev-type="publisher">EGUsphere</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">EGUsphere</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub"></issn>
<publisher><publisher-name>Copernicus Publications</publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/egusphere-2025-1503</article-id>
<title-group>
<article-title>Developing A Custom-Built Metal Cloud Chamber: Analysis of Aerosol Coagulation at Low Humidities</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Franco</surname>
<given-names>Nevil A.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Gorkowski</surname>
<given-names>Kyle</given-names>
<ext-link>https://orcid.org/0000-0002-3750-1189</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Benedict</surname>
<given-names>Katherine B.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Earth and Environmental Science Division, Los Alamos National Laboratory, P.O. Box 1663  Los Alamos, NM, US 87545-1663</addr-line>
</aff>
<pub-date pub-type="epub">
<day>21</day>
<month>05</month>
<year>2025</year>
</pub-date>
<volume>2025</volume>
<fpage>1</fpage>
<lpage>25</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2025 Nevil A. Franco et al.</copyright-statement>
<copyright-year>2025</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2025/egusphere-2025-1503/">This article is available from https://egusphere.copernicus.org/preprints/2025/egusphere-2025-1503/</self-uri>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2025/egusphere-2025-1503/egusphere-2025-1503.pdf">The full text article is available as a PDF file from https://egusphere.copernicus.org/preprints/2025/egusphere-2025-1503/egusphere-2025-1503.pdf</self-uri>
<abstract>
<p>We are developing an intermediate size (906 L) cloud chamber, and this paper reports on the design and initial characterization of dry aerosol experiments. Specifically, we are determining wall-loss and coagulation correction factors using the observed size distribution measurements for surrogates of common aerosol classes: sodium chloride, sucrose, and soot. Results show that, on average, sodium chloride, sucrose, and soot wall-loss rates converge to similar values on relatively short time scales (&amp;lt;1 hour). The fitted coagulation correction factor, W&lt;em&gt;&lt;sub&gt;c&lt;/sub&gt;&lt;/em&gt;&lt;sup&gt;-1&lt;/sup&gt;, for soot particles (1.23 &amp;plusmn; 0.312), indicates they adhere to each other more than sodium chloride (0.969 &amp;plusmn; 0.524) and sucrose (1.16 &amp;plusmn; 1.38). This study lays the foundation for future experiments at elevated humidity and supersaturation conditions to characterize the influence of particle shape on coagulation and cloud parameters.</p>
</abstract>
<counts><page-count count="25"/></counts>
</article-meta>
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