Numerical investigation of ice accretion and mitigation on GPS antennas
Numerical investigation of ice accretion and mitigation on GPS antennas
批准号:
513458-2017
负责人:
Etele, Jason
金额:
$1.82万
依托单位:
依托单位国家:
加拿大
项目类别:
Engage Grants Program
财政年份:
2017
资助国家:
加拿大
项目状态:
已结题
起止时间:
2017-01-01 至 2018-12-31
中文摘要
该项目的目标是发展预测放置在偏远和恶劣环境条件下的GNSS天线上冰的增长的能力。此信息将用于确定操作限制,超过该限制性能将不再可接受。此外,该项目还将探索使用空气动力学整形的可能性,以最大限度地减少冰的增加,从而提高操作极限,减少现场服务的频率。采用数值模拟确定天线的流场,采用基于Stefan问题的自定义冰积模型确定冰积。
英文摘要
The goal of this project is to develop the capability to predict the growth of ice on GNSS antennas placed inremote and harsh environmental conditions. This information will be used to determine operational limitsbeyond which performance is no longer acceptable. Furthermore, this project will explore the possibility ofusing aerodynamic shaping to minimize ice accretion to enhance operational limits and reduce the frequency ofon site service. Numerical simulations will be used to determine the flowfield about the antennas while acustom ice accretion model based on the Stefan problem will be used to determine ice accretion.
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