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### Introduction
Thermal conductivity is an important physical property that plays a critical role in a variety of applications, including heat transfer, energy storage, and materials science. The ability to accurately measure and understand thermal conductivity is essential for optimizing the performance of materials in these applications. One of the most widely used methods for measuring thermal conductivity is the transient plane source (TPS) method, which involves measuring the temperature change of a sample when a heat pulse is applied. However, the TPS method can be time-consuming and requires specialized equipment.
### Objective
This project aims to develop a more efficient and accessible method for measuring thermal conductivity, utilizing a low-cost, open-source hardware platform. The goal is to create a system that can provide accurate and reliable measurements while being easy to use and cost-effective.
### Methodology
The project will involve the following steps:
1. **Design and Development**: Develop a hardware system using off-the-shelf components, including a microcontroller, temperature sensors, and a heating element. The system will be designed to measure the temperature change of a sample when a heat pulse is applied.
2. **Software Development**: Develop software to control the hardware system, collect data, and analyze the data to calculate thermal conductivity. The software will be designed to be user-friendly and easy to use.
3. **Testing and Validation**: Test the system on various materials with known thermal conductivities to validate its accuracy and reliability. Compare the results with measurements obtained using the TPS method.
### Expected Outcomes
The project is expected to result in a low-cost, open-source system for measuring thermal conductivity that is accurate, reliable, and easy to use. The system will provide an efficient alternative to the TPS method and can be used in a variety of applications, including heat transfer, energy storage, and materials science.
### Learning Objectives
Students participating in this project will gain valuable skills in:
- Circuit design and hardware development
2010年7月23日
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