นวัตกรรมกังหันลมแกนนอนขนาดเล็กแบบไร้เพลาสำหรับผลิตกระแสไฟฟ้าจากระบบลมระบายอุตสาหกรรม
The industrial exhaust air, which is consistent and high-speed wind, is a high potential wind resource for generating electricity. However, it is not widely used because of the negative impacts on the ventilation system observed when the conventional wind turbine was employed. Thus, the author innov...
محفوظ في:
| المؤلف الرئيسي: | |
|---|---|
| مؤلفون آخرون: | |
| التنسيق: | Theses and Dissertations |
| اللغة: | Thai |
| منشور في: |
จุฬาลงกรณ์มหาวิทยาลัย
2022
|
| الموضوعات: | |
| الوصول للمادة أونلاين: | https://digiverse.chula.ac.th/Info/item/dc:56503 |
| الوسوم: |
إضافة وسم
لا توجد وسوم, كن أول من يضع وسما على هذه التسجيلة!
|
| المؤسسة: | Chulalongkorn University |
| اللغة: | Thai |
| الملخص: | The industrial exhaust air, which is consistent and high-speed wind, is a high potential wind resource for generating electricity. However, it is not widely used because of the negative impacts on the ventilation system observed when the conventional wind turbine was employed. Thus, the author innovated the shaftless horizontal-axis wind turbine (SHWT) to solve these limitations. The objectives of this research are to demonstrate the SHWT for electricity generation from the industrial exhaust air system, evaluate technology acceptable from a customer viewpoint, and evaluate the capability for commercialization.This research consists of 5 steps. The first step is to review the related theories, research papers, and patents to identify the research gaps. Then, come up with a divergence idea and select a feasible design to make a mockup for concept proof. The result showed that the SHWT started rotating at 5 m/s wind speed. The second is to design and fabricate the prototype SHWT to study airflow characteristics through the SHWT with a flow simulation program and visualization testing in the laboratory, the effect on the exhaust air system, and the performance of the prototype SHWT at different turbine blade holder angle. It was found that the SHWT which the range of blade holder angle from 105 to 150 degrees could rotate s in the range of 25 to 275 rpm at 4 m/s wind speeds onward. It proved to be able to generate electricity and have a potential to improve for a better performance. The exhaust air could flow through the SHWT to the environment without negative impacts on the ventilation system. The third step is to modify the prototype SHWT and evaluate it in the field test. It was found that the SHWT could install in a limited area without a negative impact on the ventilation system. Moreover, the direction for further product development is known to achieve better product performance and cost/benefit for the customers. The fourth step is to conduct technology acceptance measurement with questionnaires by surveying the target group of 322 persons. It was found that the assessors had a high level of technology acceptance and were interested in using the product. The final step is to provide a commercialization plan. A commercialization plan can be carried out in the form of establishing a start-up business to produce the SHWT. The initial investment will be 100 million baht. Based on the financial feasibility analysis, the payback period is 3.37 years, the Internal Rate of Return (IRR) is 16.1% at the end of 5 years, and a positive Net Present Value (NPV). This business is feasible. |
|---|