HR job title
- Associate Professor
- Contact Info
- 1 979 845 1505
- ORCiD
- 0000-0001-5401-9020
Delgado, Adolfo Associate Professor
Positions
- Associate Professor, Mechanical Engineering, College of Engineering
- Faculty Affiliate, Energy Institute, Texas A&M Engineering Experiment Station (TEES)
My research focuses on rotordynamics, structural vibration, energy dissipation mechanisms, thin film lubrication and fluid-structure interaction applied to the design, modeling and improvement of rotating machinery systems and components.
- Overview
- Publications
- Research
- Teaching
- Background
- Contact
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Overview
Publications
selected publications
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academic article
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Ayyildiz, B., Sheriff, M. Z., Rahman, M. A., Delgado, A., Hassan, I., Nounou, H., & Nounou, M.
(2023).
Research on pinhole accidental gas release in pipelines: Statistical modeling, real gas CFD simulation, and validation. 176, 786-796.
-
Delgado, A., San Andres, L., Yang, J., & Thiele, J.
(2023).
Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types. Journal of Engineering for Gas Turbines and Power.
145(5),
-
Kasprzyk, M., Sentmanat, J., & Delgado, A.
(2023).
Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results. Journal of Engineering for Gas Turbines and Power.
145(4),
-
Kerr, T., & Delgado, A.
(2023).
Optically observed turbulence in thrust collars at low critical Reynolds number with numerical predictions. 179, 108107-108107.
-
Arole, K., Chen, Y., Delgado, A., Hubbard, J., & Liang, H.
(2022).
Urea-ZrP nanoparticle-enabled electro-responsivity. 363, 119803-119803.
-
Hidalgo, D., Ruiz, R. O., & Delgado, A.
(2022).
A novel framework for relationship of manufacturing tolerance and component-level performance of journal bearings. Applied Mathematical Modelling.
105, 566-583.
-
Ertas, B., Gary, K., & Delgado, A.
(2021).
Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions. Journal of Engineering for Gas Turbines and Power.
143(8),
-
Vandervort, J., Lukasik, G., Ayyildiz, B., Solom, M., Delgado, A., Kirkland, K. V., & Patil, A.
(2021).
Performance evaluation of a Terry GS-2 steam impulse turbine with air-water mixtures. Applied Thermal Engineering.
191, 116636-116636.
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Bian, Z., McClean, S., Delgado, A., & Patil, A.
(2021).
Development of A High-Load Capacity Test Rig to Evaluate the Static Performance of Process Fluid-Lubricated Thrust Bearings. 1909(1), 012074-012074.
-
Kerr, T., & Delgado, A.
(2021).
Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results. Journal of Engineering for Gas Turbines and Power.
143(1),
-
Patil, A., Kasprzyk, M., Delgado, A., & Morrison, G.
(2020).
Effect of Leakage Flow Path Wear on Axial Thrust in Downhole Electrical Submersible Pump Unit. Journal of Fluids Engineering, Transactions of the ASME.
142(5),
-
Patil, A., Yin, W., Agarwal, R., Delgado, A., & Morrison, G.
(2019).
Extending Classical Friction Loss Modeling to Predict the Viscous Performance of Pumping Devices. Journal of Fluids Engineering, Transactions of the ASME.
141(10),
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Kerr, T., Crandall, A., Childs, D., & Delgado, A.
(2019).
Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor. Journal of Engineering for Gas Turbines and Power.
141(5),
-
Ertas, B., & Delgado, A.
(2019).
Compliant Hybrid Gas Bearing Using Modular Hermetically Sealed Squeeze Film Dampers. Journal of Engineering for Gas Turbines and Power.
141(2),
-
Delgado, A., & Ertas, B.
(2019).
Dynamic Characterization of a Novel Externally Pressurized Compliantly Damped Gas-Lubricated Bearing With Hermetically Sealed Squeeze Film Damper Modules. Journal of Engineering for Gas Turbines and Power.
141(2),
-
Ertas, B., & Delgado, A.
(2019).
Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments. Journal of Engineering for Gas Turbines and Power.
141(2),
-
Patil, A., Sundar, S., Delgado, A., & Gamboa, J.
(2019).
CFD based evaluation of conventional electrical submersible pump for highspeed application. JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING.
182, 106287-106287.
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Patil, A., Gudigopuram, S., Ayyildiz, B., Delgado, A., & Morrison, G.
(2019).
Performance Evaluation and Dimensional Analysis of Multistage Helicoaxial Pump for Two-Phase Flow. International Journal of Turbomachinery, Propulsion and Power.
4(3), 22-22.
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Jarroux, C., Dufour, R., Mahfoud, J., Defoy, B., Alban, T., & Delgado, A.
(2019).
Touchdown bearing models for rotor-AMB systems. Journal of Sound and Vibration.
440, 51-69.
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Delgado, A., & Ertas, B.
(2018).
Dynamic Force Coefficients of Hydrostatic Gas Films for Recessed Flat Plates: Experimental Identification and Numerical Predictions. Journal of Tribology.
140(6), 061703.
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Ertas, B., Delgado, A., & Moore, J.
(2018).
Dynamic Characterization of an Integral Squeeze Film Bearing Support Damper for a Supercritical Co2 Expander. 140(5), 052501.
-
Delgado, A.
(2015).
Experimental Identification of Dynamic Force Coefficients for a 110 MM Compliantly Damped Hybrid Gas Bearing. Journal of Engineering for Gas Turbines and Power.
137(7), 072502.
-
Andres, L. S., & Delgado, A.
(2012).
A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically. Journal of Engineering for Gas Turbines and Power.
134(5), 052509.
-
Ertas, B. H., Delgado, A., & Vannini, G.
(2012).
Rotordynamic Force Coefficients for Three Types of Annular Gas Seals With Inlet Preswirl and High Differential Pressure Ratio. Journal of Engineering for Gas Turbines and Power.
134(4), 042503.
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Delgado, A., Vannini, G., Ertas, B., Drexel, M., & Naldi, L.
(2011).
Identification and Prediction of Force Coefficients in a Five-Pad and Four-Pad Tilting Pad Bearing for Load-on-Pad and Load-Between-Pad Configurations. Journal of Engineering for Gas Turbines and Power.
133(9), 092503.
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Delgado, A., & San Andres, L.
(2010).
A Model for Improved Prediction of Force Coefficients in Grooved Squeeze Film Dampers and Oil Seal Rings. 132(3), 032202-12.
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Delgado, A., & San Andres, L.
(2010).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical Seal: Large Contact Force. 132(3), 032201-7.
-
Delgado, A., & Andres, L. S.
(2010).
Identification of Squeeze Film Damper Force Coefficients From Multiple-Frequency Noncircular Journal Motions. 132(4), 042501.
-
Andres, L. S., Baker, J., & Delgado, A.
(2010).
Rotordynamic Force Coefficients of a Hybrid Brush Seal: Measurements and Predictions. 132(4), 042503.
-
Delgado, A., & San Andres, L.
(2009).
Nonlinear Identification of Mechanical Parameters in a Squeeze Film Damper With Integral Mechanical Seal. 131(4), 042504.
-
Andres, L. S., Baker, J., & Delgado, A.
(2009).
Measurements of Leakage and Power Loss in a Hybrid Brush Seal. 131(1), 012505.
-
Andres, L. S., & Delgado, A.
(2008).
Squeeze film damper with a mechanical end seal:: Experimental force coefficients derived from circular centered orbits. Journal of Engineering for Gas Turbines and Power.
130(4), 042505.
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San Andrs, L., & Delgado, A.
(2007).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical End SealCentered Circular Orbit Tests. Journal of Tribology.
129(3), 660-668.
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Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal -: Part 1:: Unidirectional load tests. Journal of Engineering for Gas Turbines and Power.
129(3), 858-864.
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Delgado, A., San Andrs, L., & Justak, J. F.
(2005).
Measurements of leakage, structural stiffness and energy dissipation parameters in a shoed brush seal. Sealing Technology.
2005(12), 7-10.
-
Ayyildiz, B., Sheriff, M. Z., Rahman, M. A., Delgado, A., Hassan, I., Nounou, H., & Nounou, M.
(2023).
Research on pinhole accidental gas release in pipelines: Statistical modeling, real gas CFD simulation, and validation. 176, 786-796.
-
conference paper
-
AYYILDIZ, B., RAHMAN, M. A., DELGADO, A., HASSAN, I., NOUNOU, H., HASSAN, R., & NOUNOU, M.
(2021).
STUDY ON PINHOLE LEAKS IN GAS PIPELINES: CFD SIMULATION AND ITS VALIDATION. Wit Transactions on Engineering Sciences.
129-140.
-
Kerr, T., & Delgado, A.
(2021).
Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions
-
Gary, K., Ertas, B., & Delgado, A.
(2020).
A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings
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Norrbin, C. S., & Delgado, A.
(2020).
A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps
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Ertas, B., Gary, K., & Delgado, A.
(2020).
Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions
-
Kerr, T., & Delgado, A.
(2020).
Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results
-
Delgado, A., Sanandres, L., Thiele, J., Yang, J., & Cangioli, F.
(2020).
Rotordynamic Performance of a Fully-Partitioned Damper Seal: Experimental and Numerical Results
-
Patil, A., Ayyildiz, B., Pirouzpanah, S., Delgado, A., & Morrison, G.
(2019).
PREDICTIVE MODEL FOR TWO-PHASE FLOW PERFORMANCE OF MIXED FLOW PUMPS
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Kerr, T., Delgado, A., & Childs, D.
(2019).
STATIC STIFFNESS MEASUREMENTS FOR A THRUST COLLAR USED IN AN INTEGRALLY GEARED COMPRESSOR
-
Patil, A., Morrison, G., Delgado, A., & Casillas, H.
(2018).
Centrifugal Pump Head Prediction using Affinity Laws Modified for Viscosity
-
Kerr, T., Crandall, A., Childs, D., & Delgado, A.
(2018).
STATIC AND DYNAMIC COEFFICIENT MEASUREMENTS FOR A THRUST COLLAR USED IN AN INTEGRALLY GEARED COMPRESSOR. v07bt34a011-v07bt34a011.
-
Ertas, B., & Delgado, A.
(2018).
COMPLIANT HYBRID GAS BEARING USING MODULAR HERMETICALLY-SEALED SQUEEZE FILM DAMPERS. v07bt34a036-v07bt34a036.
-
Delgado, A., & Ertas, B.
(2018).
DYNAMIC CHARACTERIZATION OF A NOVEL EXTERNALLY PRESSURIZED COMPLIANTLY DAMPED GAS-LUBRICATED BEARING WITH HERMETICALLY SEALED SQUEEZE FILM DAMPER MODULES. v07bt34a050-v07bt34a050.
-
Patil, A. R., Morrison, G. L., & Delgado, A.
(2018).
Further Evaluation of the Modified Affinity Laws for the Prediction of Viscosity Effect on the Pump Head Performance
-
Ertas, B., & Delgado, A.
(2018).
HERMETICALLY SEALED SQUEEZE FILM DAMPER FOR OPERATION IN OIL-FREE ENVIRONMENTS. v07bt34a035-v07bt34a035.
-
Ertas, B., Delgado, A., & Moore, J.
(2017).
Dynamic Characterization of an Integral Squeeze Film Bearing Support Damper for a Supercritical CO2 Expander. v07at34a009-v07at34a009.
-
Ertas, B., Delgado, A., & Moore, J.
(2017).
DYNAMIC CHARACTERIZATION OF AN INTEGRAL SQUEEZE FILM BEARING SUPPORT DAMPER FOR A SUPERCRITICAL CO2 EXPANDER
-
Jarroux, C., Dufour, R., Mahfoud, J., Defoy, B., Alban, T., & Delgado, A.
(2016).
Non-linear models for Rotor-AMB system drop. MATEC Web of Conferences.
05005-05005.
-
Delgado, A.
(2014).
Experimental Identification of Dynamic Force Coefficients for a 110 mm Compliantly Damped Hybrid Gas Bearing. v07bt32a025-v07bt32a025.
-
San Andres, L., & Delgado, A.
(2012).
A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically. 499-509.
-
Delgado, A., Librashi, M., & Vannini, G.
(2012).
Dynamic Characterization of Tilting Pad Journal Bearings From Component and System Level Testing. 1007-1016.
-
Delgado, A., & Ertas, B.
(2012).
Identification of damping and stiffness coefficients of a shape memory alloy wire mesh damper
-
Ertas, B. H., Delgado, A., & Vannini, G.
(2011).
Rotordynamic Force Coefficients for Three Types of Annular Gas Seals With Inlet Preswirl and High Differential Pressure Ratio. 511-522.
-
Childs, D. W., Delgado, A., & Vannini, G.
(2011).
Tilting-Pad Bearings: Measured Frequency Characteristics of Their Rotordynamic Coefficients. 33-45.
-
Delgado, A., Ertas, B., Drexel, M., Vannini, G., & Naldi, L.
(2010).
A component level test rig for dynamic characterization of oil lubricated bearings using different input excitations. 423-429.
-
Delgado, A., Vannini, G., Ertas, B., Drexel, M., & Naldi, L.
(2010).
Identification and Prediction of Force Coefficients in a Five-Pad and Four-Pad Tilting Pad Bearing for Load-on-Pad and Load-Between-Pad Configurations. 463-472.
-
Childs, D. W.
(2010).
TILTING-PAD BEARINGS: MEASURED FREQUENCY CHARACTERISTICS OF THEIR ROTORDYNAMIC COEFFICIENTS. 1-8.
-
San Andrs, L., Ashton, Z., & Delgado, A.
(2009).
Comparison of leakage performance in three types of gas annular seals operating at a high temperature. 42-45.
-
Delgado, A., & San Andres, L.
(2009).
IDENTIFICATION OF SQUEEZE FILM DAMPER FORCE COEFFICIENTS FROM MULTIPLE-FREQUENCY, NON-CIRCULAR JOURNAL MOTIONS. 669-678.
-
San Andres, L., Delgado, A., & Baker, J.
(2009).
ROTORDYNAMIC FORCE COEFFICIENTS OF A HYBRID BRUSH SEAL: MEASUREMENTS AND PREDICTIONS. 613-620.
-
Andres, L. S., Baker, J., & Delgado, A.
(2008).
MEASUREMENTS OF LEAKAGE AND POWER LOSS IN A HYBRID BRUSH SEAL. 1453-1460.
-
Delgado, A., & Andres, L. S.
(2008).
NONLINEAR IDENTIFICATION OF MECHANICAL PARAMETERS IN A SQUEEZE FILM DAMPER WITH INTEGRAL MECHANICAL SEAL. 1059-1066.
-
Delgado, A., & Andres, L. S.
(2007).
Identification of structural stiffness and damping coefficients of a shoed-brush seal. Journal of Vibration and Acoustics: Transactions of the ASME.
648-655.
-
Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal - Centered circular orbit tests. Journal of Tribology.
660-668.
-
Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal-centered circular orbit tests. 833-841.
-
San Andres, L., & Delgado, A.
(2006).
Identification of force coefficients in a squeeze film damper with a mechanical seal. Part I - Unidirectional load tests. 1285-1293.
-
San Andres, L., & Delgado, A.
(2006).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical End Seal: Centered Circular Orbit Tests. 309-318.
-
Delgado, A., & Andres, L. S.
(2005).
Identification of structural stiffness and damping coefficients of a shoed brush seal. 959-966.
-
Delgado, A., San Andres, L., & Justak, J. F.
(2004).
Analysis of Performance and Rotordynamic Force Coefficients of Brush Seals With Reverse Rotation Ability. 681-689.
-
AYYILDIZ, B., RAHMAN, M. A., DELGADO, A., HASSAN, I., NOUNOU, H., HASSAN, R., & NOUNOU, M.
(2021).
STUDY ON PINHOLE LEAKS IN GAS PIPELINES: CFD SIMULATION AND ITS VALIDATION. Wit Transactions on Engineering Sciences.
129-140.
-
patent
-
Patil, A. R., Morrison, G., & Delgado, A.
(2021).
High energy density turbomachines
-
Delgado, A., Van Dam, J. D., Sakamoto, S. M., & Garcia, R. J.
(2020).
Load-sharing bearing system and an associated method thereof
-
Delgado, A., Van Dam, J. D., Nobrega, K., Sakamoto, S. M., & Marvel III, R. L.
(2019).
Downhole electric submersible pumps with high rotordynamic stability margin
-
Wolfe, C. E., Delgado, A., Gibson, N., Trivedi, D., & Ertas, B.
(2019).
Machine thrust bearing assembly
-
McCabe, J. J., Hebert, M. S., Hunt, I. S., Triscari, A. T., Kruse, K. S., Ryan, A. T., & Delgado, A.
(2019).
System and method for reducing relative bearing shaft deflection in an X-ray tube
-
Delgado, A., Van Dam, J. D., Sakamoto, S. M., & Garcia, R. J.
(2018).
Load-limiting thrust bearing system and an associated method thereof
-
Bidkar, R. A., Wolfe, C. E., Ertas, B. H., Delgado, A., & Gibson, N.
(2018).
Seal assembly for rotary machine
-
Davidson, D. E., Butkieweicz, J. J., Delgado, A., & Van Dam, J. D.
(2016).
Mechanical drive architectures with hybrid-type low-loss bearings and low-density materials
-
Ertas, B. H., & Delgado, A.
(2016).
Bearing having integrally formed components
-
Ertas, B. H., Delgado, A., Hallman, D. L., & Smith, W. J.
(2016).
Journal bearing assemblies and methods of assembling same
-
Ertas, B. H., & Delgado, A.
(2016).
Compliant hybrid gas lubricated thrust bearing
-
Davidson, D. E., Butkiewicz, J. J., Delgado, A., & Van Dam, J. D.
(2016).
Power train architectures with hybrid-type low-loss bearings and low-density materials
-
Delgado, A., Ertas, B. H., Hallman, D. L., & Smith, W. J.
(2015).
Hermetically sealed damper assembly and methods of assembling same
-
Patil, A. R., Morrison, G., & Delgado, A.
(2021).
High energy density turbomachines
Research
principal investigator on
Teaching
teaching activities
- ENTC491 Hnr-research Instructor
- MEEN363 Dynamics And Vibrations Instructor
- MEEN485 Directed Studies Instructor
- MEEN491 Hnr-research Instructor
- MEEN613 Engineering Dynamics Instructor
- MEEN617 Mechanical Vibration Instructor
- MEEN626 Lubrication Theory Instructor
- MEEN668 Rotordynamics Instructor
- MEEN684 Professional Internship Instructor
- MEEN684 Professional Internship Instructor
- MEEN685 Directed Studies Instructor
- MEEN691 Research Instructor
Background
education and training
- Ph.D. in Mechanical Engineering, Texas A&M University - (College Station, Texas, United States) 2008
- M.S. in Mechanical Engineering, Texas A&M University - (College Station, Texas, United States) 2005
- B.Sc. in Mechanical Engineering, Simon Bolivar University - (Caracas, Venezuela) 2002
Contact
first name
- Adolfo
has last name
- Delgado
mailing address
-
Texas A&M University
Mechanical Engineering
3123 TAMU
College Station, TX 77843-3123
USA
Other
- adelgado@tamu.edu