Tests and methods for cooling sensation on contact with textiles

There are several tests and methods that can be used to evaluate cooling sensation on contact with textiles. Here are a few examples:

1. Thermal conductivity: This test measures how well the textile material absorbs and dissipates heat. Textiles with higher thermal conductivity will feel cooler to the touch.

2. Skin temperature measurement: This method involves measuring the skin temperature before and after contact with the textile. A decrease in skin temperature indicates a cooling effect.

3. Subjective assessments: These methods involve asking people to rate the cooling sensation of a textile using a scale or questionnaire.

4. Infrared thermography: This technique uses infrared imaging to measure skin temperature changes before and after contact with the textile.

5. Physiological measurements: Measurements such as heart rate variability and electroencephalography (EEG) can also be used to assess the cooling effect of textiles on the body.

6. Contact cooling measurements: This method involves measuring the skin temperature changes caused by contact of the textile with the skin. The cooling sensation can be evaluated by measuring how much the skin temperature decreases when it comes into contact with the textile.

7. Wicking and evaporative cooling: Textiles with good wicking and evaporative properties can promote cooling by drawing sweat away from the skin and allowing it to evaporate, which can help to reduce skin temperature.

8. Fabric types: Different types of fabrics can also have an impact on the cooling sensation, with materials such as bamboo and cotton often providing a more breathable and cool feel against the skin.

Overall, there are a variety of methods and techniques that can be used to evaluate the cooling sensation of textiles, and determining the most appropriate method will depend on the specific needs and goals of the evaluation.