User profiles for J. Andries

Jans Andries

Verified email at skpnet.nl
Cited by 1273

Isoacids in ruminant nutrition: Their role in ruminal and intermediary metabolism and possible influences on performances—A review

JI Andries, FX Buysse, DL De Brabander… - Animal Feed Science and …, 1987 - Elsevier
Isoacids is the collective term for the branched-chain fatty acids: isobutyric, 2-methylbutyric
and isovaleric acid and the straight-chain valeric acid, which are naturally produced in …

Coronal seismology by means of kink oscillation overtones

J Andries, T Van Doorsselaere, B Roberts… - Space Science …, 2009 - Springer
The detection of overtones of coronal loop kink oscillations has been an important advance
in the development of coronal seismology. It has significantly increased the potential of …

Chewing activity of ruminants as a measure of physical structure—A review of factors affecting it

JL De Boever, JI Andries, DL De Brabander… - Animal Feed Science …, 1990 - Elsevier
Sheep not only spend longer eating and ruminating kg −1 DM than cattle, but also react
differently according to the quality of the feed. Variation in chewing activity within species is very …

Determination of the coronal density stratification from the observation of harmonic coronal loop oscillations

J Andries, I Arregui, M Goossens - The Astrophysical Journal, 2005 - iopscience.iop.org
… Since the equilibrium quantities are independent of J and t, the perturbed quantities can
be set proportional to exp[i(mJ qt)] because no coupling between different Fourier modes can …

Biomass pyrolysis/gasification for product gas production: the overall investigation of parametric effects

G Chen, J Andries, Z Luo, H Spliethoff - Energy conversion and …, 2003 - Elsevier
The conventional biomass pyrolysis/gasification process for production of medium heating
value gas for industrial or civil applications faces two disadvantages, ie low gas productivity …

Coronal loop oscillations-An interpretation in terms of resonant absorption of quasi-mode kink oscillations

M Goossens, J Andries, MJ Aschwanden - Astronomy & Astrophysics, 2002 - aanda.org
Damped quasi-mode kink oscillations in cylindrical flux tubes are capable of explaining the
observed rapid damping of the coronal loop oscillations when the ratio of the inhomogeneity …

Catalytic pyrolysis of biomass for hydrogen rich fuel gas production

G Chen, J Andries, H Spliethoff - Energy Conversion and Management, 2003 - Elsevier
Hydrogen is a clean and efficient energy source and is expected to take an important role in
future energy demand. A possibly good route to produce hydrogen is by using cheap …

[HTML][HTML] On the nature of kink MHD waves in magnetic flux tubes

M Goossens, J Terradas, J Andries, I Arregui… - Astronomy & …, 2009 - aanda.org
Context. Magnetohydrodynamic (MHD) waves are often reported in the solar atmosphere
and usually classified as slow, fast, or Alfvén. The possibility that these waves have mixed …

Nonlinear instability of kink oscillations due to shear motions

J Terradas, J Andries, M Goossens… - The Astrophysical …, 2008 - iopscience.iop.org
First results from a high-resolution three-dimensional nonlinear numerical study of the kink
oscillation are presented. We show in detail the development of a shear instability in an …

Observational tests of damping by resonant absorption in coronal loop oscillations

…, RW Nightingale, J Andries… - The Astrophysical …, 2003 - iopscience.iop.org
One of the proposed damping mechanisms of coronal (transverse) loop oscillations in the
kink mode is resonant absorption as a result of the Alfvén speed variation at the outer …