T/ACEF 081-2023 Active

Scope: This document provides guidance on the composition and functionalities of the aerial in-situ measurement system for atmospheric particulate matter on fixed-wing general aviation platforms, including technical content, quality assurance, and quality control. This document is applicable to high-altitude observations of atmospheric particulate matter using aerial in-situ measurement methods on fixed-wing general aviation platforms, and can also be used for the design, modification, integration, testing, and application of aerial in-situ measurement systems for atmospheric particulate matter. Note: This document does not include unmanned aerial vehicles as fixed-wing general aviation platforms for aerial in-situ measurement systems. **Main Technical Content**: 4. System Composition and Functionalities 4.1 General Principles 4.1.1 Measurement System 4.1.2 Measurement Process 4.2 System Composition 4.3 Functionalities 4.3.1 Atmospheric Observation Aircraft 4.3.2 Isokinetic Sampler 4.3.3 Atmospheric Particulate Matter Sampling System 4.3.4 Aerial Atmospheric Particulate Matter Measurement System 4.3.5 Pressure Control and Flow Diversion System 4.3.6 Calibration System 4.3.7 Data Acquisition, Storage, and Processing System 5. Technical Content 5.1 Atmospheric Observation Aircraft 5.1.1 Fixed-Wing Aircraft 5.1.2 Network Communication Module 5.1.3 Power Supply Module 5.1.4 Environmental Control Module 5.1.5 Auxiliary Integration Module 5.2 Atmospheric Particulate Matter Sampling System 5.2.1 Atmospheric Particulate Matter Sampling Pipe 5.2.2 Multi-Branch Particulate Pipeline in the Cabin 5.3 Aerial Atmospheric Particulate Matter Measurement System 5.3.1 Instrument Appearance 5.3.2 Environmental Adaptability 5.3.3 Safety 5.3.4 Instrument Performance 5.3.4.1 Passive Chamber Particulate Probe 5.3.4.2 Particle Number Spectrometer 5.3.4.3 High-Resolution Mass Spectrometer 5.3.4.4 Single Particle Black