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Date of download: 12/21/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Schematic of a typical microchannel structure with five channels [18]

2 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Schematic of flow rates for microchannel structure with five channels, where the flow is biased towards channel 2

3 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Schematic of computational model, which was based on the topology depicted in Fig. 3. The model shown here had a biased flow in the first channel.

4 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Channel flow rates Qi, normalized by the design flow rate in each of the unbiased channels Qun for a system biased towards the first channel. The model used the exact correlation of Eq. (7), with a target bias, k, of five times the unbiased level. Reynolds numbers ReDh varied from 5 to 500.

5 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Channel flow rates Qi, normalized by the design flow rate in each of the unbiased channels Qun for systems biased towards each of the five channels. The designs used the approximate correlation of Eq. (8), with a target bias k of five times the unbiased level. The Reynolds number ReDh was 50.

6 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Channel flow rates Qi, normalized by the total flow rate Qtot for a randomly selected, nonuniform distribution. The design used the approximate correlation of Eq. (8). The Reynolds number ReDh was 50.

7 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Schematic of the modified computational model, which included five small planar heaters to produce local hot spots. The model shown here had a biased flow in the third channel. (a) Top view; (b) isometric view.

8 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Maximum heater temperatures (in °C) for laminar developing flow at ReDh = 60 and 300. The third heater had a 2 W output, while the other four heaters generated a baseline level of 1 W.

9 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Maximum heater temperature rise (in °C) due to convection for a design biased towards the third heater. The biased heater power level was varied to examine the effectiveness of the design. The Reynolds number ReDh was 300.

10 Date of download: 12/21/2017 Copyright © ASME. All rights reserved. From: Analysis of Parallel Microchannels for Flow Control and Hot Spot Cooling J. Thermal Sci. Eng. Appl. 2013;5(4): doi: / Figure Legend: Schematic of a microchannel structure with five channels of varying diameter. In this image, channel 2 is larger to bias the flow.


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