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        <identifier>oai:figshare.com:article/33977425</identifier>
        <datestamp>2026-09-23T18:03:14Z</datestamp>
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          <dc:title>ANSI/ASHRAE Standard 241-2023 Equivalent Clean Airflow (ECA) Benchmark Dataset</dc:title>
          <dc:creator>Miad Saadidi (24671005)</dc:creator>
          <dc:subject>Mechanical engineering not elsewhere classified</dc:subject>
          <dc:subject>ventilation and air conditioning (HVAC) system</dc:subject>
          <dc:description>&lt;p dir="ltr"&gt;Deterministic engineering benchmark dataset containing 178 calculation vectors evaluating Equivalent Clean Airflow (ECA) demand and delivery under ANSI/ASHRAE Standard 241-2023 (Control of Infectious Aerosols).&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;The dataset models Infection Risk Management Mode (IRMM) across 11 standard commercial, educational, and healthcare space archetypes. It tabulates Table 5-1 baseline clean airflow requirements per person (ECA_p) and per unit floor area (ECA_a), central air handling unit mechanical filtration capture efficiencies across MERV 8 to MERV 16/HEPA tiers (1-3 µm droplet nuclei), in-room portable air cleaner Clean Air Delivery Rates (CADR) with room mixing factors (0.90), and upper-room UV-C germicidal irradiation equivalent clean airflow.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;Key Columns:&lt;/p&gt;&lt;p dir="ltr"&gt;- vector_id: Unique calculation vector identifier (ECA-VEC-0001 to ECA-VEC-0178)&lt;/p&gt;&lt;p dir="ltr"&gt;- space_type: Standard occupancy archetype per Table 5-1&lt;/p&gt;&lt;p dir="ltr"&gt;- category: Educational, Commercial, Healthcare, Public Assembly, Residential&lt;/p&gt;&lt;p dir="ltr"&gt;- floor_area_sqft: Usable room floor area&lt;/p&gt;&lt;p dir="ltr"&gt;- occupants: Design peak population (P_z)&lt;/p&gt;&lt;p dir="ltr"&gt;- ceiling_height_ft: Ceiling height&lt;/p&gt;&lt;p dir="ltr"&gt;- room_volume_cuft: Zone interior volume&lt;/p&gt;&lt;p dir="ltr"&gt;- ashrae_241_eca_p_cfm: Table 5-1 clean airflow required per person (CFM)&lt;/p&gt;&lt;p dir="ltr"&gt;- ashrae_241_eca_a_cfm: Table 5-1 clean airflow required per sq ft (CFM)&lt;/p&gt;&lt;p dir="ltr"&gt;- required_eca_cfm: Total required Equivalent Clean Airflow demand (CFM)&lt;/p&gt;&lt;p dir="ltr"&gt;- required_ach_equiv: Equivalent clean air changes per hour required&lt;/p&gt;&lt;p dir="ltr"&gt;- outdoor_air_cfm: Delivered pathogen-free outdoor ventilation air (V_ot)&lt;/p&gt;&lt;p dir="ltr"&gt;- recirc_air_cfm: Central recirculated airflow&lt;/p&gt;&lt;p dir="ltr"&gt;- central_filter_merv: Installed filter rating (MERV 8, 11, 13, 14, 16/HEPA)&lt;/p&gt;&lt;p dir="ltr"&gt;- filter_bioaerosol_eff: Capture efficiency on 1-3 µm bioaerosols (0.20 to 0.9997)&lt;/p&gt;&lt;p dir="ltr"&gt;- delivered_filter_eca_cfm: Clean air delivered via central filtration&lt;/p&gt;&lt;p dir="ltr"&gt;- in_room_cadr_cfm: Portable air cleaner rated CADR&lt;/p&gt;&lt;p dir="ltr"&gt;- room_mixing_factor: Room air distribution factor (0.90)&lt;/p&gt;&lt;p dir="ltr"&gt;- delivered_in_room_eca_cfm: Clean air delivered by portable units&lt;/p&gt;&lt;p dir="ltr"&gt;- uvc_eca_cfm: Equivalent clean airflow from upper-room UV-C&lt;/p&gt;&lt;p dir="ltr"&gt;- total_delivered_eca_cfm: Aggregate sum of all clean air pathways&lt;/p&gt;&lt;p dir="ltr"&gt;- delivered_ach_equiv: Delivered equivalent air changes per hour&lt;/p&gt;&lt;p dir="ltr"&gt;- compliance_margin_cfm: Surplus (+) or deficit (-) in CFM&lt;/p&gt;&lt;p dir="ltr"&gt;- compliance_ratio: Delivered / Required ratio (&gt;= 1.0 indicates compliance)&lt;/p&gt;&lt;p dir="ltr"&gt;- irmm_compliance_status: EXCEEDS, COMPLIANT, MARGINAL_DEFICIT, CRITICAL_DEFICIT&lt;/p&gt;&lt;p dir="ltr"&gt;- governing_standard: ANSI/ASHRAE Standard 241-2023 Table 5-1&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p dir="ltr"&gt;Methodology:&lt;/p&gt;&lt;p dir="ltr"&gt;Formulated using HVACLogic's deterministic ASHRAE 241 calculation engine conforming to Sections 5, 6, and 7 of ANSI/ASHRAE Standard 241-2023. Filter single-pass capture efficiencies are derived from ASHRAE Standard 52.2 particle size efficiency curves in the 1-3 µm aerodynamic diameter band.&lt;/p&gt;</dc:description>
          <dc:date>2026-09-23T18:03:14Z</dc:date>
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          <dc:identifier>10.6084/m9.figshare.33977425.v1</dc:identifier>
          <dc:relation>https://figshare.com/articles/dataset/ANSI_ASHRAE_Standard_241-2023_Equivalent_Clean_Airflow_ECA_Benchmark_Dataset/33977425</dc:relation>
          <dc:rights>CC BY 4.0</dc:rights>
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