Kengo Deguchi

Dr

20092020

Research output per year

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Research Output

2020

Fully nonlinear mode competition in magnetised Taylor–Couette flow

Ayats, R., Deguchi, K., Mellibovsky, F. & Meseguer, A., 25 Aug 2020, In : Journal of Fluid Mechanics. 897, 28 p., A14.

Research output: Contribution to journalArticleResearchpeer-review

Streaky dynamo equilibria persisting at infinite Reynolds numbers

Deguchi, K., 10 Feb 2020, In : Journal of Fluid Mechanics. 884, 11 p., R3.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

Subcritical magnetohydrodynamic instabilities: Chandrasekhar’s theorem revisited

Deguchi, K., 10 Jan 2020, In : Journal of Fluid Mechanics. 23 p., A20.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2019

High-speed shear-driven dynamos. Part 1. Asymptotic analysis

Deguchi, K., 10 Jun 2019, In : Journal of Fluid Mechanics. 868, p. 176-211 36 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
3 Citations (Scopus)

High-speed shear-driven dynamos. Part 2. Numerical analysis

Deguchi, K., 10 Oct 2019, In : Journal of Fluid Mechanics. 876, p. 830-858 29 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
3 Citations (Scopus)

High-speed standard magneto-rotational instability

Deguchi, K., 25 Apr 2019, In : Journal of Fluid Mechanics. 865, p. 492-522 31 p.

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Inviscid instability of a unidirectional flow sheared in two transverse directions

Deguchi, K., 10 Sep 2019, In : Journal of Fluid Mechanics. 874, p. 979-994 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2018

Bifurcation of nonlinear Tollmien-Schlichting waves in a high-speed channel flow

Deguchi, K. & Walton, A. G., 25 May 2018, In : Journal of Fluid Mechanics. 843, p. 53-97 45 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
4 Citations (Scopus)

Free-stream coherent structures in a planar jet

Deguchi, K. & Hall, P., 25 Feb 2018, In : Journal of Fluid Mechanics. 837, p. 916-930 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
1 Citation (Scopus)
2017

Linear instability in Rayleigh-stable Taylor-Couette flow

Deguchi, K., 28 Feb 2017, In : Physical Review E . 95, 2, 5 p., 021102.

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)

Scaling of small vortices in stably stratified shear flows

Deguchi, K., 25 Jun 2017, In : Journal of Fluid Mechanics. 821, p. 582-594 13 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

The excitation of Görtler vortices by free stream coherent structures

Dempsey, L. J., Hall, P. & Deguchi, K., 10 Sep 2017, In : Journal of Fluid Mechanics. 826, p. 60-96 37 p.

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)
3 Citations (Scopus)
2016

Localized vortex/Tollmien-Schlichting wave interaction states in plane Poiseuille flow

Dempsey, L. J., Deguchi, K., Hall, P. & Walton, A. G., 15 Feb 2016, In : Journal of Fluid Mechanics. 791, p. 97-121 25 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

On the instability of vortex-wave interaction states

Deguchi, K. & Hall, P., 10 Sep 2016, In : Journal of Fluid Mechanics. 802, p. 634-666 33 p.

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)

The rapid-rotation limit of the neutral curve for Taylor-Couette flow

Deguchi, K., 10 Dec 2016, In : Journal of Fluid Mechanics. 808, 11 p., R2.

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)
2015

Asymptotic descriptions of oblique coherent structures in shear flows

Deguchi, K. & Hall, P., 2015, In : Journal of Fluid Mechanics. 782, p. 356-367 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Free-stream coherent structures in growing boundary layers: a link to near-wall streaks

Deguchi, K. & Hall, P., 2015, In : Journal of Fluid Mechanics. 778, p. 451-484 34 p.

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)

Self-sustained states at Kolmogorov microscale

Deguchi, K., 25 Oct 2015, In : Journal of Fluid Mechanics. 781, 10 p., R6.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
14 Citations (Scopus)
2014
Open Access
File
14 Citations (Scopus)

Free-stream coherent structures in parallel boundary-layer flows

Deguchi, K. & Hall, P., 10 Aug 2014, In : Journal of Fluid Mechanics. 752, p. 602-625 24 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
28 Citations (Scopus)

Subcritical equilibria in Taylor-Couette flow

Deguchi, K., Meseguer, A. & Mellibovsky, F., 8 May 2014, In : Physical Review Letters. 112, 18, 5 p., 184502.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
7 Citations (Scopus)

Suction-shear-Coriolis instability in a flow between parallel plates

Deguchi, K., Matsubara, N. & Nagata, M., 10 Dec 2014, In : Journal of Fluid Mechanics. 760, p. 212-242 31 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2 Citations (Scopus)

The high-Reynolds-number asymptotic development of nonlinear equilibrium states in plane Couette flow

Deguchi, K. & Hall, P., 1 Jan 2014, In : Journal of Fluid Mechanics. 750, p. 99-112 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
24 Citations (Scopus)
2013

A swirling spiral wave solution in pipe flow

Deguchi, K. & Walton, A. G., Dec 2013, In : Journal of Fluid Mechanics. 737, p. 1-12 12 p., R2.

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)

Axisymmetric travelling waves in annular sliding Couette flow at finite and asymptotically large Reynolds number

Deguchi, K. & Walton, A. G., Apr 2013, In : Journal of Fluid Mechanics. 720, p. 582-617 36 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Fully nonlinear mode competitions of nearly bicritical spiral or Taylor vortices in Taylor-Couette flow

Deguchi, K. & Altmeyer, S. A., 30 Apr 2013, In : Physical Review E . 87, 4, p. 1-13 13 p., 043017.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Mirror-symmetric exact coherent states in plane Poiseuille flow

Nagata, M. & Deguchi, K., 2013, In : Journal of Fluid Mechanics. 735, p. 1-11 11 p., R4.

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)

The emergence of localized vortex-wave interaction states in plane Couette flow

Deguchi, K., Hall, P. & Walton, A. G., 2013, In : Journal of Fluid Mechanics. 721, p. 58 - 85 28 p.

Research output: Contribution to journalArticleResearchpeer-review

33 Citations (Scopus)
2012

Bifurcation of flows of a fluid with internal heat sources in a vertical pipe

Senoo, T., Deguchi, K. & Nagata, M., 1 Jan 2012, Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer: 7th International Symposium On Turbulence, Heat and Mass Transfer, THMT 2012; Palermo; Italy; 24 September 2012 through 27 September 2012. Vol. 2012-September. p. 2180-2191 12 p. (Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

Exact Coherent State with Travelling Hairpin Vortex in Plane Couette Flow

Deguchi, K. & Nagata, M., 2012, Progress in Turbulence and Wind Energy IV: Proceedings of the iTi Conference in Turbulence 2010. Oberlack, M., Peinke, J., Talamelli, A., Castillo, L. & Hölling, M. (eds.). Heidelberg Germany: Springer, Vol. 141. p. 129-138 10 p. (Springer Proceedings in Physics; vol. 141).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

2011

Bifurcations and instabilities in sliding Couette flow

Deguchi, K. & Nagata, M., 10 Jul 2011, In : Journal of Fluid Mechanics. 678, p. 156-178 23 p.

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)
2010

Traveling hairpin-shaped fluid vortices in plane Couette flow

Deguchi, K. & Nagata, M., 29 Nov 2010, In : Physical Review E . 82, 5, p. 1-5 5 p., 056325.

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)
2009

Linear and nonlinear instabilities of sliding Couette flow

Deguchi, K. & Nagata, M., 2009, Advances in Turbulence XII - Proceedings of the 12th EUROMECH European Turbulence Conference. p. 79-82 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review