Abstract
Recent results obtained for lubricating oils containing polymer additives will be described. Pressure distributions measured in a Truncated-Cone & Plate apparatus yield values for N3 = N1 + 2N2. The SEISCOR/Lodge Stressmeter, a new slit-die apparatus, yields values for hole pressure P, wall shear stress σ, and wall shear rate s. According to the Higashitani-Pritchard-Baird theory, Nl - N2 = 3 dP/dσ. N1 and N2 denote the first and second normal stress differences in unidirectional shear flow.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1980 Springer Science+Business Media New York
About this chapter
Cite this chapter
Lodge, A.S., Hou, T.H., Tong, P.P. (1980). Normal Stress Measurements in Low-Elasticity Liquids. In: Astarita, G., Marrucci, G., Nicolais, L. (eds) Rheology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3743-0_32
Download citation
DOI: https://doi.org/10.1007/978-1-4684-3743-0_32
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-3745-4
Online ISBN: 978-1-4684-3743-0
eBook Packages: Springer Book Archive