What equipment for wind turbine performance testing in wind tunnel?

08 November 2023 4 9K Report

Hi,

I'm currently preparing for experiment which is supposed to test the performance of my wind turbine, but I have problem with finding a paper to find out the methodology and equipment that i need in order to properly measure my wind turbine. First i found a paper where they used Torque meter and Tachometer to get Cp and wing tip ratio. But my supervisor said that i should find a cheaper solution because torque meters are expensive. I found some papers in which scientists use Tachometer and Generator in order to measure their wind turbines. But i can't find any detailed information what kind of generator or any additional equipment i need. Can somebody give me a tipp where i can find useful information about suitable equipment for my experiment?

Kristaq Hazizi

It's great that you're conducting an experiment to test the performance of your wind turbine. When looking for cost-effective alternatives to measure the performance of a wind turbine in a wind tunnel, you might consider the following suggestions:

DIY Torque Sensor:Instead of purchasing an expensive torque meter, you could explore the possibility of building a DIY torque sensor. There are various guides and tutorials available online that demonstrate how to create a simple torque sensor using strain gauges and other affordable components.

Alternatives to Tachometer:For measuring the rotational speed of your wind turbine, you might consider using a photoelectric sensor or an optical encoder. These can be more cost-effective alternatives to traditional tachometers.

Generator Selection:When using a generator for performance measurement, consider using a low-cost DC (direct current) generator. You can find suitable DC generators that are relatively inexpensive and can be easily integrated into your experimental setup.

Data Acquisition System:A crucial aspect of wind turbine testing is the data acquisition system. Look for a cost-effective data acquisition system that can capture the necessary parameters, such as torque, rotational speed, and power output. This system will help you gather accurate and reliable data for analysis.

Literature Review:Explore academic journals, conference proceedings, and research papers related to wind turbine testing in wind tunnels. Look for studies that focus on cost-effective solutions for measuring performance parameters. This literature review can provide insights into methodologies and equipment choices made by other researchers.

Consult Experts or Forums:Reach out to experts in the field or participate in forums related to wind energy and experimental setups. Online communities often provide valuable insights and suggestions based on practical experiences.

Collaborate with Engineering Departments:If you are affiliated with an academic institution, consider collaborating with engineering departments or research groups that have experience in wind energy. They may offer guidance on suitable and cost-effective equipment.

Government and Industry Guidelines:Check guidelines provided by government agencies or industry standards related to wind turbine testing. These documents may offer recommendations on equipment and methodologies for performance testing.

Remember to document your experimental setup and methodology thoroughly, as this will be crucial for the reproducibility of your results and for future reference. Good luck with your wind turbine performance testing!

Ali K. Resen

You can use Arduino for testing your wind turbines,

The Adafruit Anemometer Sensor is a popular choice. It’s a cup-type anemometer capable of measuring wind speeds up to 70 m/s or 156 mph. You can interface it with an Arduino and display the wind speed on an OLED screen.

Ali K. Resen

To monitor the rotational speed of the wind turbine blades, use an RPM sensor.You can employ Hall effect sensors, optical encoders, or magnetic sensors to detect blade rotations. Connect the sensor to the Arduino and measure the frequency of blade passage to calculate RPM.

Ali K. Resen

A thrust sensor measures the force exerted by the wind on the turbine blades.You can use strain gauges or load cells to detect the thrust.Convert the strain or force readings into thrust values using calibration.

Torque sensors measure the twisting force applied to the wind turbine shaft.Strain gauges or rotary torque sensors can be used.By measuring the torque, you can assess the mechanical efficiency of the wind turbine.

Use thermocouples or digital temperature sensors (e.g., DS18B20) to measure temperature.

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