Aerodynamic influences and generator in ducting system

Renewable energy is commonly described as an energy that comes from natural resources such as sun, wind, biomass, biogas, rainfall, and geothermal. However, renewable energy or green technology as it is popularly known can also originates from engineering processes such as in pipe lines or ducting systems particularly in Heat Ventilation Air Conditioner (HVAC) system. One of the requirements is to ensure a consistent and stable temperature in buildings with a standard operating system. Harvesting energy in an HVAC system is efficient since the air supply which is based on the operating system of a building. In this paper, energy harvested in static equipment, which is a type of ducting system is explored for low power application of 50Watt power generation. The objectives are to investigate the design of blade for wind turbine in ducting system based in lift and drag force and also to observe the power production of the wind turbine by using 50Watt of generator. The experiment carried out through the reading of cubic feet per meter (CFM) air flow in the ducting system by using device such as anemometer to get the CFM in alternative current (AC) and directing current (DC). Based on the analysis on single ducting in PVC pipe, it is found that for 700CFM, the distance for generator of less than 20cm produce a desired more than 11V output voltage. For 1000CFM, all generators produce the desired output voltage of 11V. This project descries the design and development of harvesting energy in ducting system (exhaust) for low power application for 50 watt power generation. It can be conclude that I000CFM is the ideal parameter for the speed in the ducting. The analysis on the generator in HVAC system is successfully achieved.