Rheology Essentials of Cosmetic and Food Emulsions (Springer by Rüdiger Brummer

By Rüdiger Brummer

Cosmetic emulsions exist at the present time in lots of types for a wide selection of functions, together with face and hand lotions for regular, dry or oily epidermis, physique milks and creams, in addition to sun-block items. keeping an eye on them and their homes isn't continuously effortless regardless of informative product names or partial names (e.g. hand or face cream) that sincerely point out their use and homes. This functional guide presents an in depth evaluation that describes the major houses and explains the way to degree them utilizing sleek thoughts. Written by way of a professional in flows and stream houses, it specializes in the applying of rheological (flow) measurements to beauty and nutrients emulsions and the correlation of those effects with findings from different tests.

Beginning with a quick background of rheology and a few primary ideas, the handbook describes intimately using glossy viscometers and rheometers, together with concise factors of the several to be had tools. however the concentration is still on useful daily lab strategies: tips to symbolize beauty and meals emulsions with assorted rheological checks equivalent to temperature, time, rigidity and pressure, either static and dynamic. additionally the serious subject of the way the implications correlate with different vital product features, for example, pores and skin sensation, pumping functionality, balance and so on. is thoroughly explored. Many photos, illustrations, graphs and tables support readers new to the size of beauty emulsions of their day-by-day paintings in addition to to the more matured who search extra particular counsel and tricks.

Show description

Read Online or Download Rheology Essentials of Cosmetic and Food Emulsions (Springer Laboratory) PDF

Best fluid dynamics books

Methods for Constructing Exact Solutions of Partial Differential Equations: Mathematical and Analytical Techniques with Applications to Engineering

Differential equations, specially nonlinear, current the simplest method for describing advanced actual methods. tools for developing designated recommendations of differential equations play a massive position in utilized arithmetic and mechanics. This ebook goals to supply scientists, engineers and scholars with an easy-to-follow, yet entire, description of the equipment for developing specific ideas of differential equations.

Student Solutions Manual and Study Guide to accompany Fundamentals of Fluid Mechanics, 5th Edition

Paintings extra successfully and money strategies as you go together with the textual content! This pupil ideas guide and research consultant is designed to accompany Munson, younger and Okishi’s basics of Fluid Mechanics, fifth version. This scholar complement comprises crucial issues of the textual content, “Cautions” to warn you to universal error, 109 extra instance issues of options, and whole suggestions for the overview difficulties.

Compressibility, Turbulence and High Speed Flow, Second Edition

Compressibility, Turbulence and excessive velocity stream introduces the reader to the sector of compressible turbulence and compressible turbulent flows throughout a huge velocity diversity, via a special complimentary therapy of either the theoretical foundations and the dimension and research instruments at present used.

Asymptotic Modelling of Fluid Flow Phenomena (Fluid Mechanics and Its Applications)

For the fluctuations round the skill yet fairly fluctuations, and showing within the following incompressible method of equations: on any wall; at preliminary time, and are assumed recognized. This contribution arose from dialogue with J. P. Guiraud on makes an attempt to push ahead our final co-signed paper (1986) and the most notion is to place a stochastic constitution on fluctuations and to spot the big eddies with part of the chance house.

Additional resources for Rheology Essentials of Cosmetic and Food Emulsions (Springer Laboratory)

Example text

10) The shear stress is obtained as in the PP model: 3 · Mcp τ= . 11) 2 · π · R3 The cone angle must be small to allow the simplification tan β = β. To prevent wearing of the cone tip and friction arising from contact with the bottom plate, the cone tip is flattened by 30 to 100 µm. When filling the CP system care must be taken that the distance between the virtual cone tip and the bottom plate is maintained exactly. 5 to 4◦ are used for measurements. The preferred angle is 1◦ . e. 6 to 20 µm relative to the virtual gap).

In nature, however, harmonic vibrations or sinusoidal movements [47] are common. Examples of harmonic vibrations include a tuning fork or the movement of a pendulum in a place-time diagram. A tuning fork looks like a two-pronged fork in the shape of an elongated U. When tapped, the prongs vibrate back and forth, producing nearly a sinus tone. 5Hz). The tuning fork is thought to have been invented in 1711 by the English musician John Shore. A sinusoidal vibration (apart from dissipation of the vibration = damping) can be visualized (Fig.

13) adheres to the tube wall. As a result, a rate profile arises. 20) and in the center of the tube: r = 0 velocity v = max . Two forces are exerted on the liquid volume parallel to the tube axis: Fig. 13. 7 Flow Through Circular Capillary 37 1. 23) Fd 2. The frictional force: Fk The friction surface where the shear stress τ arises is in this case the cylinder area 2πr · l of the flowing medium. 27) This is the equation for a parabola where y = 1 − x2 . In other words, the velocity distribution is parabolic!

Download PDF sample

Rated 4.25 of 5 – based on 6 votes