Millifluidics, 4. Actual surfaces The effect of the roughness q a q - PowerPoint PPT Presentation

Aug 24, 2023 •44 likes •144 views

Millifluidics, 4. Actual surfaces The effect of the roughness q a q r rough flat wax surface Dettre & Jonhson Super-hydrophobic surfaces 200 m Onda et al. Apparent contact angle Cos q * q * cos q q Onda et al. A textured surface

Millifluidics, 4. Actual surfaces
The effect of the roughness q a q r rough flat wax surface Dettre & Jonhson
Super-hydrophobic surfaces 200 µm Onda et al.
Apparent contact angle Cos q * q * cos q q Onda et al.
A textured surface C. Marzolin
Effective wetting diagram cos q * 1 - f S r cos q -1 cos q c 1 -1 + f S
Aphids “pearls” 1 mm N. Pike, D. Richard, W. Foster, L. Mahadevan
Rotating marbles Pascale Aussillous
Doughnut or peanut ? Pascale Aussillous

Download Presentation

Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend

Millifluidics, 1. Surface Tension Shape of droplets by Dr Seuss The shape of me and other

Millifluidics, 1. Surface Tension Shape of droplets by Dr Seuss The shape of me and other stuff Theres a wocket in my pocket by Curious Georges from Opposites Nasa version M. Weislogel,

457 views • 11 slides

Millifluidics, 6. Instabilities Jet break-up free jet forced oscillations Rutland &

Millifluidics, 6. Instabilities Jet break-up free jet forced oscillations Rutland & Jameson Water fishbones A. Hasha & J. Bush Electrostatic fishbones D. Nikitopoulos, A. Kelly Vibration induced atomization B. Bukasinovic, A.

525 views • 7 slides

Millifluidics, 2. Contact with a solid Droplet on a solid Copper on saphir (at 1600C)

Millifluidics, 2. Contact with a solid Droplet on a solid Copper on saphir (at 1600C) D.Chatain Zisman plot cos q s c q liq Precursor films (perfect wetting) very small droplet small droplet A.M. Cazabat, F. Heslot, N. Fraysse Surface

205 views • 5 slides

Subdivision Surfaces CAGD Ofir Weber 1 Spline Surfaces Spline Surfaces Why use them?

Subdivision Surfaces CAGD Ofir Weber 1 Spline Surfaces Spline Surfaces Why use them? Smooth Good for modeling - easy to control Compact (complex objects are represented by less numbers) Flexibility (different

677 views • 38 slides

Normal and minimal surfaces The correspondence between normal surfaces and minimal surfaces has

Normal and minimal surfaces The correspondence between normal surfaces and minimal surfaces has more applications. It can be used to investigate classical problems in Differential Geometry. Classical Isoperimetric Inequality: A curve in R 2

1.14k views • 79 slides

CMSC427 Parametric surfaces (and alternatives) Generating surfaces From equations From

CMSC427 Parametric surfaces (and alternatives) Generating surfaces From equations From data From curves Extrusion Straight Along path Lathing (rotation) Lofting 2 Constructive Solid Geometry (CSG)

1.11k views • 41 slides

A Study of the Transition Between Metastable States of Droplets on Superhydrophobic Surfaces

Outline Background Pillared Surfaces Chemically Structured Surfaces Conclusions and Future Work A Study of the Transition Between Metastable States of Droplets on Superhydrophobic Surfaces Kellen Petersen Department of Mathematics Courant

1.07k views • 104 slides

From K 3 Surfaces to Noncongruence Modular Forms Explicit Methods for Modularity of K 3 Surfaces

From K 3 Surfaces to Noncongruence Modular Forms Explicit Methods for Modularity of K 3 Surfaces and Other Higher Weight Motives ICERM October 19, 2015 Winnie Li Pennsylvania State University 1 A K 3 surface with rank 20 There are thirteen

389 views • 22 slides

RIGIDITY OF POL YHEDRAL SURFACES (VARIATIONAL PRINCIPLES ON TRIANGULATED SURFACES) Feng Luo

RIGIDITY OF POL YHEDRAL SURFACES (VARIATIONAL PRINCIPLES ON TRIANGULATED SURFACES) Feng Luo Rutgers University Discrete Differential Geometry Berlin, July 19, 2007 SCHLAEFLI FORMULA (1853) V/x ij = -l ij /2 e i =-1 (1814-1895)

899 views • 54 slides

Surfaces in the space of surfaces Theorem (Shah, Ratner) The closure of f( H 2 ) is a compact,

Planes in hyperbolic manifolds f : H 2 M n = H n / Surfaces in the space of surfaces Theorem (Shah, Ratner) The closure of f( H 2 ) is a compact, immersed, totally geodesic submanifold N k inside M n. Curtis McMullen Harvard University

355 views • 8 slides

I have no actual I have no actual or potential or potential confli conflict of interest in

10/17/2017 Denise L. Davis, MD, FAACH Clinical Professor of Medicine UCSF Associate Director for Faculty Development SFVAMC Center of Excellence in Primary Care Education I have no actual I have no actual or potential or potential confli

412 views • 18 slides

Minimal and normal surfaces There is a correspondence between the theory of minimal surfaces in

Minimal and normal surfaces There is a correspondence between the theory of minimal surfaces in differential geometry and the theory of normal surfaces. We will explore the correspondence and use it to derive: Problem : 3-SPHERE RECOGNITION

1.36k views • 77 slides

BEZIER SURFACES 1 OUTLINE Quadratic Bezier Surfaces Cubic Bezier Surfaces 2 DE

BEZIER SURFACES 1 OUTLINE Quadratic Bezier Surfaces Cubic Bezier Surfaces 2 DE CASTELJAU RECURSION REVISITED l 0 =p 0 , r 3 =p 3 l 1 =1/2(p 0 +p 1 ), r 2 =1/2(p 2 +p 3 ) l 2 =1/2(l 1 +1/2(p 1 +p 2 )), r 1 =1/2(r 2

315 views • 20 slides

SURFACES SURFACES A specialty division of FORM inc. offering custom cut to size, finished

SURFACES SURFACES A specialty division of FORM inc. offering custom cut to size, finished products. - Quartz color match - Natural Stone granite, marble, quartzite, onyx - Companion Vanity Bases, Cabinetry - Shower Doors custom

182 views • 5 slides

Interactive Surfaces Interactive Surfaces Referent: Xiaoping Yin Supervisor: Marc Langheinrich

Interactive Surfaces Interactive Surfaces Referent: Xiaoping Yin Supervisor: Marc Langheinrich 03/05/2005 Further more.. Further more.. Challenge Project Examples Existing Products Outlook Seminar: Distributed Systems --

568 views • 19 slides

Restricted Voronoi Diagrams for (re)meshing Surfaces and Volumes Curves and Surfaces 2014 Bruno

Mathmatiques - Informatique Restricted Voronoi Diagrams for (re)meshing Surfaces and Volumes Curves and Surfaces 2014 Bruno Lvy ALICE Gomtrie & Lumire CENTRE INRIA Nancy Grand-Est OVERVIEW Part. 1. Introduction Motivations The

1.64k views • 136 slides

Will Start at 2:35 pm Data Visualization The Good, the Bad, the Weird Nam Wook Kim Mini-Courses

Will Start at 2:35 pm Data Visualization The Good, the Bad, the Weird Nam Wook Kim Mini-Courses January @ GSAS 2018 Goal Rules of thumbs to critique visualization design 45 Ways to Communicate Two Quantities [Santiago Ortiz 2012]

1.2k views • 105 slides

How to write a Letter to the Editor David P. Billings Disclaimer / Legal Fine Print The

How to write a Letter to the Editor David P. Billings Disclaimer / Legal Fine Print The foregoing materials and information are provided solely for informational purposes, and are not offered as or intended to constitute legal advice, nor do

459 views • 9 slides

A friendly introduction to knots in three and four dimensions Arunima Ray Rice University SUNY

A friendly introduction to knots in three and four dimensions Arunima Ray Rice University SUNY Geneseo Mathematics Department Colloquium April 25, 2013 What is a knot? Take a piece of string, tie a knot in it, glue the two ends together.

570 views • 55 slides

Using Spreadsheets to Manage and Analyze Data Data & Donuts Series, Fondren Library

Using Spreadsheets to Manage and Analyze Data Data & Donuts Series, Fondren Library November 10, 2017 Monica Rivero | mpr1@rice.edu Best Practices for Managing your Data Tips for Using Excel Productively Importing Data Data

400 views • 7 slides

Self-supervised learning in computer vision Ishan Misra Facebook AI Research With slides from

Self-supervised learning in computer vision Ishan Misra Facebook AI Research With slides from Andrew Zisserman, Carl Doersch Success story of supervision: Pre-training Features from networks pre-trained on ImageNet can be used for a variety

2.09k views • 102 slides

Magnetic Field of a Wire Fundamental Laws for Calculating B-field Biot-Savart Law (long

Magnetic Field of a Wire Fundamental Laws for Calculating B-field Biot-Savart Law (long method, but works always) Amperes Law (high symmetry) B-Field of a Straight Wire For a thin straight conductor carrying current the

459 views • 20 slides

Reviews Using Off-The-Shelf Argumentation Mining Marco Passon, Marco Lippi, Giuseppe Serra ,

Predicting the Usefulness of Amazon Reviews Using Off-The-Shelf Argumentation Mining Marco Passon*, Marco Lippi, Giuseppe Serra* , Carlo Tasso* * University of Udine University of Modena and Reggio Emilia Artificial Intelligence Laboratory

471 views • 18 slides

Natural Language Processing Info 159/259 Lecture 3: Text classification 2 (Aug 30, 2018)

Natural Language Processing Info 159/259 Lecture 3: Text classification 2 (Aug 30, 2018) David Bamman, UC Berkeley Bayes Rule Likelihood of really really the Prior belief that Y = positive worst movie ever (before you see

1.02k views • 54 slides