Fig. 8 Simultaneous imaging of hygroscopic moisture transport and swelling in wood-fiber composites. a) Experimental timespace moisture content ω distribution (top) and simulation fit (bottom) for test sample of Fig. 7. b) Regression of unsteady state diffusion coefficients (neutrons) with steady state values (dry/wet cup). c) and d) show the time evolution ofω with respect to thickness swelling εYY in the moist Isoroof layers for six test samples (L11 to L16), e) plots together the (ω, εYY) pairs, revealing two differentiated hygroscopic swelling regimes
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