Srinath Varadarajan Ekkad

Works (46)

Updated: June 9th, 2023 05:01

2023 article

Numerical study of heat transfer enhancement over a rotating surface. Part I: Effect of pin-pin shapes

Bhansali, P. S., & Ekkad, S. V. (2023, May 2). NUMERICAL HEAT TRANSFER PART A-APPLICATIONS.

By: P. Bhansali & S. Ekkad

author keywords: Cooling; jet impingement; pin fins; rotating disk; turbine disk
Source: Web Of Science
Added: June 5, 2023

2022 journal article

A new technique using background oriented schlieren for temperature reconstruction of an axisymmetric open reactive flow

MEASUREMENT SCIENCE AND TECHNOLOGY, 33(5).

By: B. Wahls & S. Ekkad

author keywords: background oriented schlieren; noninvasive; temperature; measurement; reactive flow
Source: Web Of Science
Added: March 7, 2022

2022 journal article

Characterization of Transient Wall Heat Load for a Low NOx Lean Premixed Swirl Stabilized Can Combustor Under Reacting Conditions

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 14(2).

By: K. Ramakrishnan, S. Ahmed & S. Ekkad

author keywords: gas turbine; combustion; heat transfer; low NOx; swirl stabilized; premixed; combustion and reactive flows; experimental; measurement techniques; very high-temperature heat transfer
Source: Web Of Science
Added: January 10, 2022

2022 journal article

Effect of Pin Fins on Jet Impingement Heat Transfer Over a Rotating Disk

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 144(4).

By: P. Bhansali, K. Ramakrishnan & S. Ekkad

author keywords: jet impingement; turbine disk; rotating disk; pin-fins
Source: Web Of Science
Added: April 4, 2022

2022 journal article

Effect of Rotation on Heat Transfer in AR=2:1 and AR=4:1 Channels Connected by a Series of Crossover Jets

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 144(6).

By: S. Madhavan, P. Singh & S. Ekkad

author keywords: measurement techniques; turbine blade and measurement advancements
Source: Web Of Science
Added: May 31, 2022

2022 journal article

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 144(7).

By: S. Ahmed, B. Wahls, S. Ekkad, H. Lee* & Y. Ho*

author keywords: heat transfer; effusion cooling; combustion; fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines; heat transfer and film cooling
Source: Web Of Science
Added: June 13, 2022

2022 journal article

Overall Cooling Effectiveness of Effusion Cooled Can Combustor Liner Under Reacting and Non-Reacting Conditions

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 14(2).

By: S. Ahmed, K. Ramakrishnan & S. Ekkad

author keywords: heat transfer; effusion cooling; combustion; combustion and reactive flows; experimental; measurement techniques; gas turbine heat transfer
Source: Web Of Science
Added: January 10, 2022

2022 journal article

Temperature reconstruction of an axisymmetric enclosed reactive flow using simultaneous background oriented schlieren and infrared thermography

MEASUREMENT SCIENCE AND TECHNOLOGY, 33(11).

By: B. Wahls & S. Ekkad

author keywords: background oriented schlieren; infrared thermography; noninvasive; temperature; measurement; enclosed; reactive flow
Source: Web Of Science
Added: August 22, 2022

2021 review

A Modern Review on Jet Impingement Heat Transfer Methods

[Review of ]. JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 143(6).

By: S. Ekkad & P. Singh

Source: Web Of Science
Added: June 10, 2021

2021 journal article

A numerical parametric study to enhance thermal hydraulic performance of a novel alternating offset oblique microchannel

NUMERICAL HEAT TRANSFER PART A-APPLICATIONS, 79(7), 489–512.

By: S. Panse & S. Ekkad

Source: Web Of Science
Added: February 15, 2021

2021 review

Detailed Heat Transfer Measurements for Rotating Turbulent Flows in Gas Turbine Systems

[Review of ]. ENERGIES, 14(1).

By: S. Ekkad & P. Singh

author keywords: gas turbines; rotating heat transfer
Source: Web Of Science
Added: February 1, 2021

2021 article

Effect of channel aspect ratio and fin geometry on fluid flow and heat transfer performance of sectional oblique fin microchannels

PROCEEDINGS OF THE TWENTIETH INTERSOCIETY CONFERENCE ON THERMAL AND THERMOMECHANICAL PHENOMENA IN ELECTRONIC SYSTEMS (ITHERM 2021), pp. 42–51.

By: V. Rudragoudar, H. Chhatija n, S. Panse & S. Ekkad

author keywords: enhanced micro-channel; heat sink; oblique fins; electronics cooling; aspect ratio; fin geometry
Source: Web Of Science
Added: October 18, 2021

2021 journal article

Enhanced fin-effectiveness of micro-scale concentric-shape roughened target surface subjected to array jet impingement

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 173.

By: R. Sundaram n, S. Madhavan, P. Singh & S. Ekkad

author keywords: Forced convection heat transfer; Jet impingement; Pin fin effectiveness
Source: Web Of Science
Added: June 10, 2021

2021 journal article

Experimental and Numerical Study of Chord-Wise Eight-Passage Serpentine Cooling Design for Eliminating the Coriolis Force Adverse Effect on Heat Transfer

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 13(1).

By: P. Singh, A. Sarja n & S. Ekkad

author keywords: forced convection
Source: Web Of Science
Added: January 25, 2021

2021 journal article

Forced convection cooling of additively manufactured single and double layer enhanced microchannels

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 168.

By: S. Panse & S. Ekkad

author keywords: Direct metal laser sintering; Additive manufacturing; Enhanced microchannels; Forced convection heat transfer
Source: Web Of Science
Added: May 10, 2021

2021 journal article

Heat Transfer Enhancement Through Array Jet Impingement on Strategically Placed High Porosity High Pore-Density Thin Copper Foams

JOURNAL OF ELECTRONIC PACKAGING, 143(3).

By: V. Rajamuthu n, S. Panse & S. Ekkad

Source: Web Of Science
Added: August 16, 2021

2021 review

Liquid Crystal Thermography in Gas Turbine Heat Transfer: A Review on Measurement Techniques and Recent Investigations

[Review of ]. CRYSTALS, 11(11).

By: S. Ekkad & P. Singh

author keywords: liquid crystal thermography; LCT; turbine heat transfer
Source: Web Of Science
Added: December 20, 2021

2020 journal article

Enhanced thermal hydraulic performance by V-shaped protrusion for gas turbine blade trailing edge cooling

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 149.

By: I. Kaur*, P. Singh & S. Ekkad

author keywords: Heat transfer enhancement; V-shaped protrusion; V-shaped concavity
Source: Web Of Science
Added: June 22, 2020

2020 journal article

Jet Impingement Heat Transfer Enhancement by U-Shaped Crossflow Diverters

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 12(4).

author keywords: jet impingement; crossflow diverter; liquid crystal thermography; forced convection; gas turbine heat transfer; heat exchangers; heat transfer enhancement; jets; wakes; and impingement cooling
Source: Web Of Science
Added: August 10, 2020

2020 journal article

Multifunctional Ceramic Composite System for Simultaneous Thermal Protection and Electromagnetic Interference Shielding for Carbon Fiber-Reinforced Polymer Composites

ACS APPLIED MATERIALS & INTERFACES, 12(52), 58005–58017.

By: Y. Jia, T. Ajayi, B. Wahls n, K. Ramakrishnan, S. Ekkad & C. Xu n

author keywords: polymer-derived ceramic; carbon nanotubes; multifunctional composites; electromagnetic interference shielding; thermal protection
Source: Web Of Science
Added: February 1, 2021

2020 journal article

Parallel rotation for negating Coriolis force effect on heat transfer

AERONAUTICAL JOURNAL, 124(1274), 581–596.

By: A. Sarja n, P. Singh & S. Ekkad

author keywords: heat transfer; rotation; Coriolis effect
Source: Web Of Science
Added: March 23, 2020

2020 article

Professor Satish G. Kandlikar on His 70th Birthday

Awad, M. M., Attinger, D., Bejan, A., Beskok, A., Celata, G. P., Colin, S., … Weisensee, P. B. (2020, December 1). JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, Vol. 12.

By: M. Awad, D. Attinger, A. Bejan, A. Beskok, G. Celata, S. Colin, V. Dhir, P. Di Marco ...

Source: Web Of Science
Added: January 4, 2021

2020 journal article

Thermal-Hydraulic Performance Enhancement by the Combination of Rectangular Winglet Pair and V-Shaped Dimples

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 12(2).

By: I. Kaur n, P. Singh & S. Ekkad

author keywords: extended surfaces/fins; heat exchangers; heat transfer enhancement
Source: Web Of Science
Added: April 27, 2020

2020 journal article

Three-Dimensional Transient Heat Conduction Equation Solution for Accurate Determination of Heat Transfer Coefficient

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 142(5).

By: S. Ahmed, P. Singh & S. Ekkad

author keywords: convective heat transfer; jet impingement; 3D heat conduction; alternating direction implicit
Source: Web Of Science
Added: May 18, 2020

2019 journal article

Effect of micro-roughness shapes on jet impingement heat transfer and fin-effectiveness

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 132, 80–95.

By: P. Singh, M. Zhang*, S. Ahmed n, K. Ramakrishnan & S. Ekkad

author keywords: Convective heat transfer; Pin fins; Jet impingement; Fin effectiveness; Thermal hydraulic performance
Source: Web Of Science
Added: March 11, 2019

2019 journal article

Jet Impingement Heat Transfer Enhancement by Packing High-Porosity Thin Metal Foams Between Jet Exit Plane and Target Surface

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 11(6).

By: S. Madhavan, P. Singh & S. Ekkad

author keywords: jet impingement; metal foam; heat transfer enhancement
Source: Web Of Science
Added: January 27, 2020

2019 journal article

Multi-Pass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: Smooth Channels

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 141(7).

By: P. Singh, Y. Ji* & S. Ekkad

Source: Web Of Science
Added: July 22, 2019

2019 journal article

Multipass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: 45-deg Angled Rib Turbulated Channels

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 141(7).

By: P. Singh, Y. Ji* & S. Ekkad

author keywords: Coriolis force; centrifugal buoyancy; serpentine passage; rib turbulators; liquid crystal thermography
Source: Web Of Science
Added: July 22, 2019

2019 journal article

Rib Turbulator Heat Transfer Enhancements at Very High Reynolds Numbers

JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS, 11(6).

By: M. Zhang*, P. Singh & S. Ekkad

Source: Web Of Science
Added: January 27, 2020

2019 journal article

Thermal hydraulic performance augmentation by high-porosity thin aluminum foams placed in high aspect ratio ducts

APPLIED THERMAL ENGINEERING, 161.

By: S. Panse, P. Singh & S. Ekkad

author keywords: Forced convective heat transfer; Metal foams; Electronics cooling
Source: Web Of Science
Added: October 21, 2019

2018 journal article

Flow Field and Wall Temperature Measurements for Reacting Flow in a Lean Premixed Swirl Stabilized Can Combustor

JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME, 140(9).

By: S. Park*, D. Gomez-Ramirez*, S. Gadiraju*, S. Kedukodi*, S. Ekkad, H. Moon*, Y. Kim*, R. Srinivasan*

Source: Web Of Science
Added: October 16, 2018

2017 journal article

Effect of crossflow regulation by varying jet diameters in streamwise direction on jet impingement heat transfer under maximum crossflow condition

Numerical Heat Transfer, Part A: Applications, 72(8), 579–599.

By: Y. Ji*, P. Singh*, S. Ekkad & S. Zang*

Source: Crossref
Added: February 24, 2020

2017 journal article

Experimental investigation of the onset of sand deposits on Hastelloy-X between 1,000°C and 1,100°C

The Aeronautical Journal, 121(1242), 1187–1199.

By: A. Boulanger, J. Hutchinson, W. Ng, S. Ekkad, M. Keefe, W. Xu, B. Barker*, K. Hsu*

author keywords: Sand; deposition; turbines; Arizona Road Dust
Source: Crossref
Added: August 28, 2020

2017 journal article

Heat Transfer Measurements inside Narrow Channels with Ribs and Trenches

Heat Transfer Engineering, 39(9), 750–759.

By: S. Srinivasan*, S. Ekkad & A. Tolpadi*

Source: Crossref
Added: August 28, 2020

2017 journal article

Numerical investigation of turbulent flow and heat transfer in two-pass ribbed channels

International Journal of Thermal Sciences, 112, 31–43.

By: B. Ravi*, P. Singh* & S. Ekkad

author keywords: Internal cooling; Two-pass channel; Ribs; Heat transfer; CFD
Source: Crossref
Added: February 24, 2020

2017 journal article

Numerical study on thermoelectric–hydraulic performance of a thermoelectric power generator with a plate-fin heat exchanger with longitudinal vortex generators

Applied Energy, 185, 1343–1354.

By: T. Ma*, X. Lu*, J. Pandit*, S. Ekkad, S. Huxtable*, S. Deshpande*, Q. Wang*

author keywords: Thermoelectric power generator; Longitudinal vortex generator; Equivalent thermal-electrical properties; Heat transfer enhancement; Plate-fin heat exchanger
Source: Crossref
Added: August 28, 2020

2015 journal article

Simulation of thermoelectric-hydraulic performance of a thermoelectric power generator with longitudinal vortex generators

Energy, 84, 695–703.

By: T. Ma*, J. Pandit*, S. Ekkad, S. Huxtable* & Q. Wang*

author keywords: Thermoelectric generator; Longitudinal vortex generator; Heat transfer enhancement; Pressure drop; Power output
Source: Crossref
Added: February 24, 2020

2015 journal article

Study on Thermoelectric-hydraulic Performance of Longitudinal Vortex Generators in a Large-scale Thermoelectric Power Generator

Energy Procedia, 75, 639–644.

By: T. Ma*, J. Pandit*, S. Ekkad, S. Huxtable*, S. Deshpande* & Q. Wang*

author keywords: Thermoelectric power generator; Longitudinal vortex generator; Equivalent thermal-electrical properties; heat transfer enhancement; plate-fin heat exchanger
Source: Crossref
Added: February 24, 2020

2015 journal article

Thermal-Hydraulic Performance of Different Discontinuous Fins Used in a Printed Circuit Heat Exchanger for Supercritical CO2

Numerical Heat Transfer, Part A: Applications, 68(10), 1067–1086.

By: X. Xu*, Q. Wang*, L. Li*, S. Ekkad & T. Ma*

Source: Crossref
Added: January 5, 2021

2013 journal article

Measuring the coefficient of restitution of high speed microparticle impacts using a PTV and CFD hybrid technique

Measurement Science and Technology, 24(10), 105303.

By: C. Reagle, J. Delimont, W. Ng, S. Ekkad & V. Rajendran

author keywords: particle tracking velocimetry; microparticle; coefficient of restitution
Source: Crossref
Added: August 28, 2020

2012 journal article

Experimental study on solid circulation in a multiple jet fluidized bed

AIChE Journal, 58(10), 3003–3015.

By: G. Agarwal*, B. Lattimer*, S. Ekkad & U. Vandsburger*

author keywords: fluidization; multiple jets; particle image velocimetry; solid volume fraction; solid circulation; particle entrainment
Source: Crossref
Added: January 5, 2021

2011 journal article

Experimental and numerical investigation of confined oblique impingement configurations for high heat flux applications

International Journal of Thermal Sciences, 50(6), 1037–1050.

By: P. Parida*, S. Ekkad & K. Ngo*

author keywords: Jet impingement cooling; Electronic cooling; Thermal management
Source: Crossref
Added: August 28, 2020

2011 journal article

Influence of multiple gas inlet jets on fluidized bed hydrodynamics using Particle Image Velocimetry and Digital Image Analysis

Powder Technology, 214(1), 122–134.

By: G. Agarwal*, B. Lattimer*, S. Ekkad & U. Vandsburger*

author keywords: Two-dimensional beds; Multiple jets; Phenomenological model; Grid-zone; Particle Image Velocimetry; Digital Image Analysis
Source: Crossref
Added: August 28, 2020

2010 journal article

Experimental Investigation of Cooling Performance of Metal-Based Microchannels

Heat Transfer Engineering, 31(6), 485–494.

By: P. Parida*, F. Mei*, J. Jiang*, W. Meng* & S. Ekkad

Source: Crossref
Added: August 28, 2020

2010 journal article

Selected Papers From the 19th National & 8th ISHMT-ASME Heat and Mass Transfer Conference

Selected Papers From the 19th National & 8th ISHMT-ASME Heat and Mass Transfer Conference. Heat Transfer Engineering, 31(6), 431–432.

By: S. Revankar* & S. Ekkad

Source: Crossref
Added: August 28, 2020

2008 journal article

Predictions of Flow and Heat Transfer in Low Emission Combustors

Heat Transfer Engineering, 29(4), 375–384.

By: Y. Lu*, E. Esposito* & S. Ekkad

Source: Crossref
Added: August 28, 2020