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Date of download: 10/11/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Gas path layouts showing (a) preturbo electric compressor, (b) post-turbo electric compressor, and (c) electrically assisted turbocharger

2 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Example swept frequency sine wave demand signal for varying frequency simulations

3 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Control for surge avoidance during steady-state simulations with electric compressor configurations

4 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Control of transient simulations with electric compressor configurations

5 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Control of transient simulations for diesel engine using electrically assisted turbocharger

6 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Rapid load step transients showing throttle, waste-gate, and electric power control for standard and forced transients as well as an example BMEP response at 2000 rpm

7 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Electric power against BMEP frequency for e-turbo application

8 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Example swept frequency sine wave demand signal for varying frequency simulations

9 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Achievable BMEP depending on electric power source for electric compressor installations (a) before and (b) after the turbocharger on the research gasoline engine (validated combustion limitation shown in gray)

10 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Compressor operating points for each e-booster configuration: (a) electric compressor and (b) turbocharger compressor

11 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: e-turbo operating showing surge problem due to compressor map width

12 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: Chirp results for VGT and electrically assisted turbocharger showing drop off at higher frequencies and recovery from e-turbocharger at 1750 rpm

13 Date of download: 10/11/2017 Copyright © ASME. All rights reserved. From: A Numerical Study of the Benefits of Electrically Assisted Boosting Systems J. Eng. Gas Turbines Power. 2016;138(9): doi: / Figure Legend: FFT for each speed showing target, VGT, and e-turbo


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