D. Childs

D. Childs, Joshua T. Bullock, 2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering.

Static Destabilizing Behavior for Gas Annular Seals at High Eccentricity Ratios

Dara W. Childs, Stephen P. Arthur, D. Childs, 2013 .

Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions

D. Childs, Min Zhang, Dung L. Tran, 2020, Journal of Engineering for Gas Turbines and Power.

Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures

D. Childs, H. Shrestha, Min Zhang, 2018, Journal of Engineering for Gas Turbines and Power.

Rotordynamic Performance of a Negative-Swirl Brake for a Tooth-on-Stator Labyrinth Seal

Stephen P. Arthur, D. Childs, Min Zhang, 2014 .

Experimental Rotordynamic Coefficient Results for (a) a Labyrinth Seal With and Without Shunt Injection and (b) a Honeycomb Seal

Dara W. Childs, D. Childs, A A Elias Soto, 1999 .

Eccentricity Effects on the Rotordynamic Coefficients of Plain Annular Seals: Theory Versus Experiment

Dara W. Childs, O. R. Marquette, L. Andrés, 1997 .

Theory Versus Experiment for the Rotordynamic Characteristics of a Smooth Annular Gas Seal at Eccentric Positions

Dara W. Childs, Z. Yang, D. Childs, 1995 .

Dynamic force performance of annular gas seals at off-center conditions

Luis San Andrés, Zhou Yang, Dara W. Childs, 1994 .

Analysis for Rotordynamic Coefficients of Helically-Grooved Turbulent Annular Seals

Dara W. Childs, D. Childs, Chang-Ho Kim, 1987 .

Convergent-tapered annular seals - Analysis and testing for rotordynamic coefficients

Dara W. Childs, D. Childs, John B. Dressman, 1985 .

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-stator Versus Grooved-Rotor/Smooth-Stator

D. Childs, L. San Andrés, Jing Yang, 2022, Journal of Engineering For Gas Turbines and Power.

Rotordynamic-Coefficients and Static (Equilibrium Loci and Leakage) Characteristics for Short, Laminar-flow Annular Seals

Dara W. Childs, Adnan Al-Ghasem, D. Childs, 2006 .

Measured Static and Rotordynamic Characteristics of a Smooth-Stator/Grooved-Rotor Liquid Annular Seal

D. Childs, Joshua T. Bullock, J. Moreland, 2017, Journal of Fluids Engineering.

Static and Rotordynamic Characteristics for a New Hole-Pattern Annular Gas Seal Design Incorporating Larger Diameter Holes

D. Childs, Michael Vannarsdall, 2012 .

Behaviors of a Hole-Pattern Seal With Wet-Gas

M. Zhang, D. Childs, 2021, Journal of Tribology.

Performance of a Long Smooth Multiphase Pump Seal in Different Flow Regimes

D. Childs, Min Zhang, 2021, Journal of Engineering for Gas Turbines and Power.

Effects of Increased Tooth Clearance On the Performance of a Labyrinth Seal with Oil-Rich Bubbly Laminar Flow

D. Childs, Min Zhang, 2021, Journal of Engineering for Gas Turbines and Power.

Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

M. Zhang, D. Childs, H. Shrestha, 2020, Journal of Engineering For Gas Turbines and Power.

Experimental Study on the Performance of a See-Through Labyrinth Seal With Two-Phase, Mainly-Liquid Mixtures

M. Zhang, D. Childs, 2020, Journal of Engineering for Gas Turbines and Power.

A Study on the Leakage and Rotordynamic Performance of a Long Labyrinth Seal Under Mainly Air Conditions

D. Childs, Min Zhang, 2019 .

Experimental Study of the Static and Dynamic Characteristics of a Long (L/D = 0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions

D. Childs, H. Shrestha, Min Zhang, 2019, Journal of Engineering for Gas Turbines and Power.

Preswirl and Mixed-Flow (Mainly Liquid) Effects on Rotordynamic Performance of a Long (L/D = 0.75) Smooth Seal

D. Childs, H. Shrestha, Min Zhang, 2019 .

A Study for Rotordynamic and Leakage Characteristics of a Long-Honeycomb Seal With Two-Phase, Mainly Air Mixtures

D. Childs, Min Zhang, 2019, Journal of Engineering for Gas Turbines and Power.

A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures

D. Childs, H. Shrestha, Min Zhang, 2019, Journal of Engineering for Gas Turbines and Power.

EXPERIMENTAL STUDY OF THE STATIC AND DYNAMIC CHARACTERISTICS OF A LONG SMOOTH SEAL WITH TWO-PHASE, MAINLY-AIR MIXTURES

D. Childs, Min Zhang, J. E. McLean, 2017 .

The Remarkable Turbomachinery-Rotordynamics Developments During the Last Quarter of the 20th Century

Dara W. Childs, D. Childs, 2015 .

Rotordynamic Coefficients for a Tooth-on-Stator Labyrinth Seal at 70 Bar Supply Pressures: Measurements Versus Theory and Comparisons to a Hole-Pattern Stator Seal

Dara W. Childs, Arthur Picardo, D. Childs, 2005 .

Theory versus experiment for the rotordynamic characteristics of a high pressure honeycomb annular gas seal at eccentric positions

Dara W. Childs, Mark Weatherwax, D. Childs, 2003 .

Measurements Versus Predictions for the Dynamic Impedance of Annular Gas Seals—Part I: Test Facility and Apparatus

Stephen Phillips, Dara W. Childs, Matthew P. Dawson, 2002 .

Experimental Test Results for Four High-Speed, High-Pressure, Orifice-Compensated Hybrid Bearings

Dara W. Childs, D. Childs, N. M. Franchek, 1994 .

Experimental and theoretical comparison of two swirl brake designs

D. Childs, K. Nielsen, C. Myllerup, 2000 .

Test Results for Rotordynamic Coefficients of the SSME HPOTP Turbine Interstage Seal With Two Swirl Brakes

Dara W. Childs, Christopher Ramsey, Erian A. Baskharone, 1991 .

Annular Gas Seals And Rotordynamics Of Compressors And Turbines.

Dara W. Childs, John M. Vance, D. Childs, 1997 .

Measurements of the Leakage and Rotordynamic Performance of Interlocking Labyrinth Seals

D. Childs, Keith Gary, M. A. Ramirez, 2018, Volume 7B: Structures and Dynamics.

Predicted Rotordynamic Behavior of a Labyrinth Seal as Rotor Surface Speed Approaches Mach 1

Manish R. Thorat, Dara W. Childs, D. Childs, 2010 .

Rotordynamic Coefficient and Leakage Test Results for Interlock and Tooth-on-Stator Labyrinth Seals

Dara W. Childs, D. Elrod, Keith Hale, 1988 .

Development and Validation of Test Rig for Measurements of Leakage and Rotordynamic Performance of Interlocking Labyrinth Seals

D. Childs, Keith Gary, M. A. Ramirez, 2018, Volume 7B: Structures and Dynamics.

Theory Versus Experiment for the Rotordynamic Coefficients of an Interlocking Labyrinth Gas Seal

Dara W. Childs, D. Elrod, Joseph M. Pelletti, 1995 .

An Iwatsubo-Based Solution for Labyrinth Seals: Comparison to Experimental Results

Dara W. Childs, J. K. Scharrer, D. Childs, 1986 .

Experimental rotordynamic coefficient results for teeth-on-rotor and teeth-on-stator labyrinth gas seals

Dara W. Childs, J. K. Scharrer, D. Childs, 1986 .

A Comparison of Experimental Rotordynamic Coefficients and Leakage Characteristics Between Hole-Pattern Gas Damper Seals and a Honeycomb Seal

Dara W. Childs, D. Childs, Zeping Yu, 1997 .

The Acoustic Influence of Cell Depth on the Rotordynamic Characteristics of Smooth-Rotor/Honeycomb-Stator Annular Gas Seals

Dara W. Childs, George F. Kleynhans, D. Childs, 1996 .

Friction Factor Behavior From Flat-Plate Tests of 12.15 mm Diameter Hole-Pattern Roughened Surfaces

Thanesh Deva Asirvatham, D. Childs, Stephen Phillips, 2011 .

A Design to Increase the Static Stiffness of Hole Pattern Stator Gas Seals

Dara W. Childs, Jonathan L. Wade, Yoon-Shik Shin, 2006 .

A Parameter Identification Method for the Rotordynamic Coefficients of a High Reynolds Number Hydrostatic Bearing

Dara W. Childs, C. Rouvas, D. Childs, 1993 .

Experimental Study on the Leakage and Rotordynamic Coefficients of a Long Smooth Seal at Laminar Flow Conditions

D. Childs, Min Zhang, 2018, Volume 11: Acoustics, Vibration, and Phononics.

A Lateral Rotordynamics Primer On Electric Submersible Pumps (ESPS) For Deep Subsea Applications

Stephen Phillips, Dara W. Childs, Clay S. Norrbin, 2014 .

Vibration characteristics of the HPOTP (high-pressure oxygen turbopump) of the SSME (space shuttle main engine)

Dara W. Childs, D. S. Moyer, D. Childs, 1985 .

Static and Rotordynamic Characteristics of Liquid Annular Seals With a Circumferentially-Grooved Stator and Smooth Rotor Using Three Levels of Circumferential Inlet-Fluid Rotation

D. Childs, Joshua T. Bullock, Jose Torres, 2018, Volume 7B: Structures and Dynamics.

Rotordynamic Coefficients and Leakage Flow of Circumferentially Grooved Liquid-Seals

Dara W. Childs, J. J. Kilgore, D. Childs, 1990 .

Measurements Versus Predictions for the Dynamic Impedance of Annular Gas Seals—Part II: Smooth and Honeycomb Geometries

D. Childs, M. Dawson, 2002 .

Experimental Leakage and Rotordynamic Results for Helically Grooved Annular Gas Seals

D. Childs, Anthony J. Gansle, 1995 .

Identification of Rotordynamic Forces in a Flexible Rotor System Using Magnetic Bearings

Dara W. Childs, Zachary S. Zutavern, D. Childs, 2008 .

Theory versus experiment for the rotordynamic coefficients of annular gas seals. Part 1: Test facility and apparatus

Dara W. Childs, D. Elrod, Keith Hale, 1986 .

Seal-rotordynamic-coefficient Test Results for a Model SSME ATD-HPFTP Turbine Interstage Seal with and Without a Swirl Brake

Dara W. Childs, Christopher Ramsey, D. Childs, 1991 .

Dynamics in Engineering Practice

D. Childs, A. Conkey, 2004 .

Thermohydrodynamic Analysis of Process-Liquid Hydrostatic Journal Bearings in Turbulent Regime, Part I: The Model and Perturbation Analysis

Dara W. Childs, Zhou Yang, L. San Andres, 1995 .

Transient rotordynamic analysis for the Space-Shuttle main engine high-pressure oxygen turbopump

Dara W. Childs, D. Childs, 1974 .

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Dara W. Childs, Clay S. Norrbin, D. Childs, 2017 .

Thermal Effects in Cryogenic Liquid Annular Seals—Part II: Numerical Solution and Results

Luis San Andrés, Dara W. Childs, Zhou Yang, 1993 .

Angled Injection—Hydrostatic Bearings Analysis and Comparison to Test Results

Luis San Andrés, Dara W. Childs, L. Andrés, 1997 .

Theory Versus Experiment for the Rotordynamic Coefficient of Labyrinth Gas Seals: Part II—A Comparison to Experiment

Dara W. Childs, J. K. Scharrer, D. Childs, 1988 .

A Design to Improve the Effective Damping Characteristics of Hole-Pattern-Stator Annular Gas Seals

D. Childs, Yoon-Shik Shin, B. Seifert, 2006 .

Theory Versus Experiment for the Effects of Pressure Ratio on the Performance of an Orifice-Compensated Hybrid Bearing

Dara W. Childs, D. Childs, P. Mosher, 1998 .

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a High-Speed, High-Pressure, Orifice-Compensated Hybrid Bearing

Luis San Andrés, Dara W. Childs, L. Andrés, 1995 .

INCLUDING HOUSING-CASING FLUID IN A LATERAL ROTORDYNAMICS ANALYSIS ON ELECTRIC SUBMERSIBLE PUMPS

Stephen Phillips, Dara W. Childs, Clay S. Norrbin, 2016 .

Rotordynamic Stability Predictions for Centrifugal Compressors Using a Bulk-Flow Model to Predict Impeller Shroud Force and Moment Coefficients

Dara W. Childs, Manoj K. Gupta, D. Childs, 2010 .

Fluid-Structure Interaction Forces at Pump-Impeller-Shroud Surfaces for Rotordynamic Calculations

Dara W. Childs, D. Childs, 1989 .

The Impact of Real Gas Properties on Predictions of Static and Rotordynamic Properties of the Annular Gas Seals for Injection Compressors

D. Childs, Yoon-Shik Shin, 2008 .

A Comparison of Rotordynamic-Coefficient Predictions for Annular Honeycomb Gas Seals Using Three Different Friction-Factor Models

Dara W. Childs, D. Childs, Rohan J. D’Souza, 2002 .

Importance of heat transfer from fluid film to stator in turbulent flow annular seals

Luis San Andrés, Dara W. Childs, L. Andrés, 1993 .

Influence of impeller shroud forces on turbopump rotor dynamics

Dara W. Childs, Jim P. Williams, D. Childs, 1991 .

A comparison of experimental and theoretical results for leakage, pressure gradients, and rotordynamic coefficients for tapered annular gas seal

D. A. Elrod, D. W. Childs, D. Childs, 1986 .

Theory Versus Experiment for the Rotordynamic Coefficients of Annular Gas Seals: Part 2—Constant-Clearance and Convergent-Tapered Geometry

Dara W. Childs, D. Elrod, C. C. Nelson, 1986 .

The SSME HPFTP interstage seals: Analysis and experiments for leakage and reaction-force coefficients

D. W. Childs, D. Childs, 1983 .

Testing of Turbulent Seals for Rotordynamic Coefficients

Dara W. Childs, John B. Dressman, D. Childs, 1982 .

A COMPARISON OF EXPERIMENTAL AND THEORETICAL RESULTS FOR LEAKAGE, PRESSURE DISTRIBUTION, AND ROTORDYNAMIC COEFFICIENTS FOR ANNULAR GAS SEALS PROGRESS REPORT

D. Childs, D. Elrod, J. Scharrer, 2008 .

Test Results for Liquid “Damper” Seals Using a Round-Hole Roughness Pattern for the Stators

Patrice Fayolle, Dara W. Childs, D. Childs, 1999 .

Force and moment rotordynamic coefficients for pump-impeller shroud surfaces

Dara W. Childs, D. Childs, 1987 .