Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / (a) Photograph of microchannel heat exchanger/reactor. (b) Exploded illustration showing hot inert (red) and cold reactive (blue) gas-flow paths in a counterflow configuration. Magnified section highlights lamination points required for hermetic sealing during fabrication. (Reprinted with permission from Murphy et al., 2013, International Journal of Hydrogen Energy, 38, pp. 8741–8750. Copyright 2013 Elsevier [16].) Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Geometrically simplified four-layer model geometry (with dimensions) Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / (a) 2D temperature field down the center length of reactive channel 1; (b) net heat of reaction on the reactive surface within reactive channel 1; (c) 2D temperature field down the center length of inert channel 1. In all figures, the width (x direction) is magnified by a factor of five. Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Temperature profiles in the vertical (y) direction located at (a) z = 17.9 mm; and (b) z = 53.7 mm. Transverse position is held constant in the center of the reactor at x = 2.3 mm. Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Geometrically simplified model geometry for the five-layer design (with dimensions) Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Average wall temperatures in the four- and five-layer designs as a function of axial position z within the reactive channels Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Microchannel-reactor model results comparing performance of four- and five-layer designs. Experimental results for four-layer reactor are shown as symbols. (a) Temperature of exhaust streams, (b) product mole fractions, and (c) methane conversion, hydrogen yield, and carbon monoxide selectivity as a function of GHSV. Figure Legend:

Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: The Interplay of Heat Transfer and Endothermic Chemistry Within a Ceramic Microchannel Reactor J. Thermal Sci. Eng. Appl. 2014;6(3): doi: / Model-predicted thermal and mole-fraction fields: (a) reactive-side gas temperature, (b) mole fraction of CH 4, and (c) mole fraction of H 2 as a function of channel width (x) and axial position (z) down the center of reactive channel two for the 50,000 h −1 GHSV case. The x-axis is scaled by a factor of 5 relative to the z-axis. Figure Legend: