Vernier Software and Technology
Vernier Software & Technology

Mechanical Power

Figure from experiment 6 from Renewable Energy with Vernier

Introduction

Power is the rate at which energy is converted from one form to another

\text{power} = \frac{\text{amount of work done}}{\text{how long it took}}

where power is measured in watts (W), work is measured in joules (J), and time is measured in seconds (s).

In this experiment you will use a wind turbine to do the work of lifting a mass. You will vary the pitch of the blades of the wind turbine and measure the time it takes to lift a mass a given distance. Based on these measurements, you will calculate the mechanical power (in watts) generated by the turbine as it lifts the weights.

Objectives

  • Define how power is calculated.
  • Identify the units that are used to measure power.
  • Determine the relationship between wind turbine blade pitch and power generated.
  • Measure the power developed by a wind turbine.

Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

Additional Requirements

You may also need an interface and software for data collection. What do I need for data collection?

Experiment 6 from Renewable Energy with Vernier Lab Book

<i>Renewable Energy with Vernier</i> book cover

Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.

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