Techniques and tools for wind energy resource assessment

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Reference no: EM132403932

University of the Philippines
College of Engineering
Energy Engineering Program
EgyE 205 - Energy Engineering Laboratory

Laboratory Exercise - TECHNIQUES AND TOOLS FOR WIND ENERGY RESOURCE ASSESSMENT

Introduction

The evaluation of wind potential involves a series of steps which represent restrictions on the exploitation of the potential. The first step is to determine or estimate the theoretical potential, which is defined as the maximum wind energy output in a region. It is determined by using a reference wind turbine, available wind speed data and the available sites in that region.

Objectives:

1. Apply basic physical principles of wind on actual measurement data.
2. Gain basic skills in resource assessment of available wind energy for a specific site.

Procedure:

Part 1: Wind energy analysis and calculations

Part 2: Requirements:

Write a report about your wind data, particularly the following:

1. Prepare the following graphs/diagram for your wind data
a. Plot of averaged diurnal variation (for the selected/assigned month).
b. Windrose diagram for average twenty-four hours (24hrs) data. You can use WRPLOT View Freeware (Lakes Environmental Software).
c. Frequency distribution of the wind intensities.

2. Compute the following:
a. Basic statistics of wind speed (minimum, maximum, average, etc.). In which periods do these values occur? Compute for the 1-year data and for each month.
b. The Melchor Hall rooftop is approximately 84 meters above the ground. The anemometer is installed 2m above the rooftop. What is the theoretical wind energy potential on this site if a 20m wind turbine is installed using a mast 25 meters above the rooftop. What will be total energy yield for day?
Assuming the distribution holds for the year, compute for YEY(vm).

3. Answer the following questions:
a. Describe the directional characteristics of wind in your site. In which direction are maximum speeds dominant? In general, higher values are observed during daytime and smaller values during the evening and night hours. Is this true for your site?
b. The Weibull function can also be represented as:

Attachment:- Energy Engineering Laboratory.rar

Reference no: EM132403932

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