Laboratory Manikin for Simulating Human Coughing and Airflow

Whats/App: +86 156 1874 6768

Web: standard-groups.com

Standards

GB/T 14296-2005 — Indoor Air Quality Evaluation Methods (Air Pollutant Exposure)

GB/T 18883-2022 — Indoor Air Quality Standard

ISO 7730:2005 — Ergonomics of the Thermal Environment — Analytical Determination and Interpretation of Thermal Comfort

ASTM F1291-2020 — Test Methods for Breathing and Coughing Exposure Measurement

Product Specifications

Component	Technical Parameters
Cough Pressure	Adjustable range 0.1–4.2 bar
Initial Cough Airflow Velocity	Adjustable range 0.5–30 m/s
Cough Duration	Adjustable range 0.1–60 s
Cough Outlet Mode	Nasal or oral outlet; compatible with thermal manikin or manikin head
Aerosol Container	Venturi-type aerosol solution container supplied by the user
Electrical Control System	Integrated control cabinet; power supply AC 220 V / 50 Hz; maximum total power ≤ 250 W
Operating Environment	Temperature 10–40 °C; humidity 15–95%
Others	Can be used independently or with a thermal manikin/manikin head; lockable caster wheels; automatic over-pressure relief and short-circuit protection; total weight approx. 20 kg

Features

Accurate simulation of human coughing pressure, initial airflow velocity, and duration with wide adjustable ranges;

Switchable nasal or oral coughing modes to meet different experimental requirements;

Modular design supporting standalone use or integration with a thermal manikin or manikin head;

Aerosol output compatible with external sampling devices, suitable for pathogen or particle research;

Built-in over-pressure protection and short-circuit protection for safe operation;

Mobile platform with lockable caster wheels for flexible laboratory deployment.

Accessories

Accessory / Consumable	Specification
Cough Control Cabinet	PID control module with pressure and flow display
Cough Airflow Outlet Tube	Connects to thermal manikin or manikin head interface
Aerosol Container	Venturi-type aerosol solution container provided by the user
Quick-Connect Interfaces	For fast connection to thermal manikin or manikin head
Custom Modules	Pressure, flow, and coughing mode adjustable according to test requirements

Test Principle

The system uses pneumatic driving to simulate pressure and flow variations during human coughing, generating a high-velocity airflow jet that carries aerosol particles into the surrounding environment. When combined with the thermal plume generated by a thermal manikin, you can reproduce airflow movement, particle dispersion, and interaction with ambient air under coughing conditions. This allows quantitative analysis of human exposure and airborne transmission behavior in indoor environments.

Operation Instructions

Ensure the ambient temperature is 10–40 °C and relative humidity is 15–95%;

Use AC 220 V / 50 Hz power supply and confirm total power does not exceed 250 W;

Connect the coughing system to the thermal manikin or manikin head using quick-connect interfaces and check cable integrity;

Set coughing parameters, including pressure, initial velocity, duration, and outlet mode, with PID parameters automatically tuned;

Switch between nasal and oral coughing modes during testing as required;

When using an aerosol container, ensure all connections are secure to prevent leakage;

After testing, switch off the system, disconnect power, and clean pipelines and interfaces.

Test Procedure

Install the coughing system and connect it to the thermal manikin or manikin head;

Power on the control system and set coughing pressure, initial velocity, duration, and outlet mode;

Check that the aerosol container and pipelines are securely connected;

Start the experiment and record coughing pressure, airflow velocity, and particle distribution data in real time;

After completion, shut down the system, save test data, and clean pipelines and the aerosol container.

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