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Author:

张灿灿 (张灿灿.) | 张维恩 (张维恩.) | 王娅萱 (王娅萱.) | 张淼淼 (张淼淼.) | 吴彤 (吴彤.) | 刘舒萱 (刘舒萱.)

Indexed by:

incoPat

Abstract:

本发明涉及风电设备技术领域,具体而言,涉及一种风电叶片、风轮和风电叶片的翼型线的确定方法。风电叶片包括叶片本体,其上两个侧面为迎风面和背风面;迎风面的翼型线公式为:式中,s为迎风面的翼型线的轨迹,g为重力加速度,t为空气微段从翼型线前缘流动到后缘的时间。风电叶片的翼型线的确定方法为:确定风电叶片的翼型弦长l,以翼型弦前缘或后缘为坐标原点,以t为横坐标,s为纵坐标建立直角坐标系,再根据公式s2+t2=l2和公式求出t,最后,以0~t为自变量,得到风电叶片的翼型。本发明可降低风电机组额定风速,提高风能利用率和风能转化率。

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Patent Info :

Type: 发明申请

Patent No.: CN202010690004.2

Filing Date: 2020-07-17

Publication Date: 2020-09-15

Pub. No.: CN111664053A

Applicants: 北京工业大学

Legal Status: 驳回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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