Flow Control with Ink-jet Printed Polymer Surfaces
喷墨印刷聚合物表面的流量控制
基本信息
- 批准号:EP/F004435/1
- 负责人:
- 金额:$ 23.17万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2008
- 资助国家:英国
- 起止时间:2008 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The overarching goal is to design a variety of textured surfaces (both static and time-dependent) fabricated using a variety of polymers, which, in the case of active surfaces, are electroactive. The textured surfaces will take a variety of forms: polymer ink-jet printing can straightforwardly produce a static array of riblets of dimensions designed for maximum drag reduction. The technique may be extended to the printing of Electroactive Polymer (EAP) with electrodes (e.g. graphite) so that the riblets are re-configurable for the flight condition. Therefore 'smart' riblets may be optimised in-flight for maximum drag reduction throughout the flight envelope, or, their configuration adjusted to account for any effects of erosion, so considerably extending their lifetime. In the longer term (i.e. as part of work in subsequent years), the techniques will be developed to drive spanwise travelling waves beneath the turbulent boundary layer. This technique, currently under development in the PI's group, is known to lead to drag reductions roughly three times that possible with static riblets ( 30%) at low Reynolds numbers. It has yet to be verified at high Reynolds numbers. Our proposal of a continuous monolithic EAP surface with embedded electrical actuation and control offers several advantages in terms of ease of manufacture, low maintenance and environmental robustness, all of which are very attractive to the aeronautical sector.
主要目标是设计各种纹理表面(包括静态的和时间相关的),使用各种聚合物制造,在活性表面的情况下,这是电活性的。纹理表面将采取多种形式:聚合物喷墨打印可以直接产生尺寸设计为最大减阻的静态肋骨阵列。该技术可扩展到具有电极(例如,石墨)的电活性聚合物(EAP)的印刷,从而使肋片可重新配置以适应飞行条件。因此,“智能”肋片可以在飞行中进行优化,以最大限度地减少整个飞行包线的阻力,或者调整它们的配置,以考虑到任何侵蚀的影响,从而大大延长它们的使用寿命。在较长期内(即作为以后几年工作的一部分),将开发出在湍流边界层下驱动跨向行波的技术。这项技术目前正在PI的小组中开发,众所周知,在低雷诺数时,这种技术的减阻效果大约是静态肋片(30%)的三倍。在高雷诺数的情况下,这一点还有待验证。我们提出的具有嵌入式电驱动和控制的连续整体式EAP表面在制造容易、维护成本低和环境稳健性方面具有几个优点,所有这些都对航空部门非常有吸引力。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Jonathan Morrison其他文献
Lanthanide electrodeposition in aqueous ammonium acetate: A surrogate approach for actinide film fabrication
乙酸铵水溶液中的镧系元素电沉积:一种用于锕系元素薄膜制备的替代方法
- DOI:
10.1016/j.jnucmat.2025.155698 - 发表时间:
2025-03-01 - 期刊:
- 影响因子:3.200
- 作者:
Jonathan Morrison;Robert Sacci;Kristian Myhre;Jisue Moon Braatz - 通讯作者:
Jisue Moon Braatz
Seq4SNPs: new software for retrieval of multiple, accurately annotated DNA sequences, ready formatted for SNP assay design
- DOI:
10.1186/1471-2105-10-180 - 发表时间:
2009-06-12 - 期刊:
- 影响因子:3.300
- 作者:
Helen I Field;Serena A Scollen;Craig Luccarini;Caroline Baynes;Jonathan Morrison;Alison M Dunning;Douglas F Easton;Paul DP Pharoah - 通讯作者:
Paul DP Pharoah
Where Do We Start
我们从哪里开始
- DOI:
10.1007/978-1-4302-0858-7_2 - 发表时间:
2000 - 期刊:
- 影响因子:0
- 作者:
Jonathan Morrison - 通讯作者:
Jonathan Morrison
Corrosion, transport, and deposition in pressurised water nuclear reactor primary coolant systems
- DOI:
- 发表时间:
2016-07 - 期刊:
- 影响因子:0
- 作者:
Jonathan Morrison - 通讯作者:
Jonathan Morrison
Understanding the effect of Li and flow velocity on corrosion deposition at 230 °C hydrogenated water
了解 Li 和流速对 230°C 氢化水中腐蚀沉积的影响
- DOI:
10.1016/j.corsci.2020.108588 - 发表时间:
2020 - 期刊:
- 影响因子:8.3
- 作者:
Stefano Cassineri;A. Cioncolini;M. Curioni;Jonathan Morrison;A. Banks;N. Stevens;F. Scenini - 通讯作者:
F. Scenini
Jonathan Morrison的其他文献
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{{ truncateString('Jonathan Morrison', 18)}}的其他基金
Understanding and exploiting non-equilibrium effects on turbulent boundary layers: Towards realisable drag reduction strategies
理解和利用湍流边界层的非平衡效应:实现可实现的减阻策略
- 批准号:
EP/R032467/1 - 财政年份:2018
- 资助金额:
$ 23.17万 - 项目类别:
Research Grant
Scale Interactions in Wall Turbulence: Old Challenges Tackled with New Perspectives
壁湍流中的尺度相互作用:用新视角应对旧挑战
- 批准号:
EP/I037938/1 - 财政年份:2012
- 资助金额:
$ 23.17万 - 项目类别:
Research Grant
Bluff-body drag reduction using feedback control
使用反馈控制的钝体减阻
- 批准号:
EP/I005684/1 - 财政年份:2010
- 资助金额:
$ 23.17万 - 项目类别:
Research Grant
Elastomer Surface Pressure Sensor and its Intergration to a 'Smart' surface for Active Flow Control
弹性体表面压力传感器及其与“智能”表面的集成以实现主动流量控制
- 批准号:
EP/C535847/1 - 财政年份:2006
- 资助金额:
$ 23.17万 - 项目类别:
Research Grant
Turbulent flows over rough walls
湍流流过粗糙的墙壁
- 批准号:
EP/D037166/1 - 财政年份:2006
- 资助金额:
$ 23.17万 - 项目类别:
Research Grant
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