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SwRI Research Areas - Alphabetical Listing
Select a letter to jump to the associated alphabetic section of the research areas list.

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- D -

Damage Tolerance Analysis 
  Administration
  Aerospace Structures Section
DARWIN Software 
DARWIN is a computer program that determines the probability of fracture of a gas turbine engine rotor by integrating finite element stress results, fracture-mechanics-based fatigue life assessment, material anomaly data, probability of anomaly detection, and inspection schedules.
  Mechanics and Materials Section
Data Acquisition and Analysis 
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Powertrain Controls Section
  Administration
  Engine Development
  Performance and Instruction Department
  Fluids Filtration and Handling Research
  Unmanned Systems and Sensors
  Autonomous Systems and Control
  Aerospace Systems Engineering
  Administration
  Administration
  Network-Centric Systems
  Intelligent Transportation Systems Department
  Electrical Systems
  Department of Engineering Applications and Systems Development
  Department of Electronics Systems and Robotics
  Production and Operations Department
  Integrated Systems
  Staff Analysts
  Ballistics and Explosives Range
  Flow Measurement
  Marine Structures and Engineering Section
  Earth and Planetary Sciences
 
Data Acquisition Systems 
Design, development, and integration of hardware and software systems for the real-time acquisition, handling, routing, and display of data from sensors and sensor systems. Data acquisition systems may be comprised of custom and/or commercial-off-the-shelf hardware and software components.
  Powertrain Controls Section
  Advanced Vehicle Technology
  Integrated Diagnostics Section
  Unmanned Systems and Sensors
  Autonomous Systems and Control
  Aerospace Systems Engineering
  Administration
  Division Operations
  Automation and Data Systems Division
  Administration
  Network-Centric Systems
  Intelligent Transportation Systems Department
  Department of Engineering Applications and Systems Development
  Computer Technology Section
  Production and Operations Department
  Integrated Systems
  Staff Analysts
  Machinery Piping Design
  Flow Measurement
  Rotating Machinery
  Sensor Systems and Nondestructive Evaluation (NDE) Technology Department
 
Data Base Generation Tools 
  Administration
  Aerospace Systems Engineering
Data Base Technology 
  Aerospace Systems Engineering
  Administration
  Division Operations
  Automation and Data Systems Division
  Biomedical Engineering
  Automation and Data Systems Division
Data Communications 
Design and development of wired and wireless communications networks for the distribution of data to and from subsystems and/or end users.
  Computer and Instrument Services Section
  Division Operations
  Automation and Data Systems Division
  Administration
  Network-Centric Systems
  Network Communications and Infrastructure Group
  Department of Engineering Applications and Systems Development
Data Systems--Hardware 
  Aerospace Systems Engineering
  Administration
  Automation and Data Systems Division
  Network-Centric Systems
  Department of Engineering Applications and Systems Development
Data Systems--Medical Software 
  Division Operations
  Biomedical Engineering
  Biomedical Engineering Section
Data Systems--Software 
Design of software for Data Systems
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Administration
  Aerospace Systems Engineering
  Administration
  Division Administration
  Division Operations
  Administration
  Automation and Data Systems Division
  Department of Engineering Applications and Systems Development
  Sensor Systems and Nondestructive Evaluation (NDE) Technology Department
Data Visualization 
Format measured or sensed data in a graphical form representing an image of the sensed fields. Analysis and visualization with Matlab/Simulink.
  Powertrain Controls Section
  Administration
  Administration
  Immersive Technologies
  Aerospace Systems Engineering
  Administration
  Network-Centric Systems
  Administration
  Administration
  Sensor Systems and Nondestructive Evaluation (NDE) Technology Department
  Earth and Planetary Sciences
Graphical display of complex data sets.
  Earth and Planetary Sciences
Data Visualization Tools 
Visualizations that facilitate understanding the meanings and relationships of large data sets that may be derived from mathematical models or physical systems. Experience with applicable methods include renderings that use lines, vectors, surfaces, textures, glyphs, streamlines, animation and movies. Many enterprise information management systems contain data visualization modules. In other cases, these tools may exist as stand-alone software. Data visualization tools can help people conduct forms of analysis for which the human brain may be superior to computers, or for which understanding of an abstract context is required. Examples of such analyses are making comparisons between data sets to indentify trends, recognize patterns, and form hypothoses about relationships and casuality. In the Training, Simulation, and Performance Improvement Division, data visualization tools are most commonly associated with electronic performance support systems (EPSS). EPSS products are de
  Aerospace Systems Engineering
  Network-Centric Systems
Database Development 
  Integrated Diagnostics Section
  Traffic Management Systems Group
Database Modeling 
  Traffic Management Systems Group
DC Motors 
Selection and application of DC motors and design of DC motor control units.
  Engine, Emissions and Vehicle Research Division
  Powertrain Controls Section
  Engine Design and Analysis
  International
  Department of Electronics Systems and Robotics
DC to DC Converter Systems 
  Power Systems Section
Decontaminate/Decommission--Radiological 
  Administration
  Washington Technical Support Office
Dedicated Short Range Communications 
  Network Communications and Infrastructure Group
Deep Well Reactor 
  Chemical Engineering
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Administration
  Department of Electromechanical and Optical Systems
Deflegration to Detonation Transition 
  Ballistics and Explosives Engineering Section
Demodulation/Decoding 
  Institute Scientists
  SIGINT Solutions Department
  Staff Engineers and Specialists
Design and Analysis of Experiments (DOE) 
A branch of applied statistics dealing with planning, conducting, analyzing and interpreting controlled tests to evaluate the factors that control the value of a parameter or group of parameters.
  Department of Engineering Applications and Systems Development
Design Engineering--Fluid Systems 
  Fluids Filtration and Handling Research
  Department of Electromechanical and Optical Systems
  Administration
  Administration
  Fluid Dynamics and Multiphase Flow
  Machinery Piping Design
  Flow Measurement
Design Review 
SwRI Component-Analysis personnel have experience in conducting design reviews relating to electronic and electrical equipment. Such reviews include assessment of circuit configuration, component selection, electrical stresses on key components, and circuit-board layout and fabrication processes, as well as identification of potential failure mechanisms that may adversely long-term field reliability.
  Department of Electronics Systems and Robotics
  Computer Technology Section
Design--Mechanical 
Primarily focuses on machines performing a dynamic action e.g. test stands for dynamic tests of components, conveyors, and aircraft components.
  Hydraulic Vehicle Technology
  Administration
  Administration
  Department of Electromechanical and Optical Systems
  Fluids and Machinery Engineering Department
  Marine Structures and Engineering Section
Desktop Manufacturing/Rapid Prototyping 
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Administration
  Engine Development
  Division Administration
  Administration
  Department of Electromechanical and Optical Systems
  Administration
  Administration
Destructive Physical Analysis (DPA) 
Destructive physical analysis (DPA) of electronic and electrical components. Laboratory capabilities include optical and scanning-electron microscopy, energy-dispersive x-ray elemental analysis, x-radiography, fine-leak and gross-leak hermeticity testing, particle-impact-noise detection, decapsulation, disassembly, cross sectioning (both mounted and unmounted), delayering (both wet-chemical and plasma etching), and microprobing. Additional relevant capabilities that exist in other SwRI laboratories include Fourier-transform infrared spectrometry, gas and liquid chromatography, gas chromatography and mass spectrometry, inductively coupled plasma atomic-emission spectrometry, atomic-absorption spectrometry, thermogravimetric analysis, differential scanning calorimetry, x-ray diffraction, and scanning-Auger microprobing.
  Department of Electronics Systems and Robotics
Destructive Testing of Hardware 
The physical enviromental testing testing can reach limits that will destroy hardware. This can be accomplished through vibration, shock, blasts, thermal, humidity, salt laden air, immersion, and other simulated environments. Destructive mechanical disassembly can also be performed to inspect hardware to determine cause of failer or mechanical and/or materials properties.
  Fluids and Machinery Engineering Department
  Fluids and Machinery Engineering Department
  Fluids and Machinery Engineering Department
  Administration
  Marine Structures and Engineering Section
  Structural Engineering Department
Detonation/Flame Arresters 
Product involves the testing and analysis of detonation/flame arresters. Testing is performed according to standard ASTM, FM, EN, SAE, UL, or custom developed test procedures. Measurements may include detonation/flame speed and pressure wave characteristics. Detonation Flame Arrestors are certified to suppress deflagration and detonation propagation in piping up to 24 inches in diameter. Fuel and air is mixed within flammability limits. Piping length is adjusted to produce deflagration or detonation. Evaluations are conducted with Group C (ethylene) or Group D (propane). Combustion propagation range from low and high deflagrations to stable and overdriven detonations.
  Engineering and Research Section
  Science & Analysis
  Administration
  Computational Mechanics
Detonations/Explosions 
  Administration
  Administration
  Computational Mechanics
  Ballistics and Explosives Engineering Section
Diagnostics--Turbine Engine 
  Administration
  Unmanned Systems and Sensors
  Aerospace Systems Engineering
  Rotating Machinery
Diagnostics--Vibration 
  Fluids and Machinery Engineering Department
Dialectic Constant Measurement 
Dialectic constant measurement of jet fuel.
  Fluids Filtration and Handling Research
Dielectric Test--Oil 
  Engine Design and Analysis
  International
Diesel Aftertreatment 
  Administration
Diesel Analytical Fuel/Additive 
  Chemical Engineering
  Administration
  Chemistry and Unregulated Emissions
  Engine, Emissions and Vehicle Research Division
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
Diesel Analytical Fuel/Additive (Cost) 
Diesel testing, diesel analysis, lubricity testing, lubricity additive testing, or diesel additive testing.
  Engine, Emissions and Vehicle Research Division
  Fuel Lab Prof Staff
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
Diesel Emission Control Systems 
  Administration
Diesel Engine Component Wear Testing 
Wear components include: a) cylinder liner, b) valvetrain, c) bearings, d) piston rings. Techniques used: 1) before and after test part measurements (micrometer; weight), 2) radioactive tracer methods, 3) wear metals concentration in used oil, 4) visual distress rating.
  Diesel Engineers and Technicians
  Fleet and Field Evaluations Section
  Lee Grant
  Department of Electromechanical and Optical Systems
Diesel Engine Development 
  Engine, Emissions and Vehicle Research Division
  Administration
  Engine and Vehicle R&D
  Diesel Technology Section
  Particle Science
Diesel Engine Lubricant Testing 
Division 08 provides diesel engine lubricant evaluations, using both industry standard lubricant tests and specialized, one of a kind tests. These tests cover the gamut from petroleum chemistry lab bench tests to engine tests. For more specific detail on standard tests offered, see the 08 web site.
  Engine, Emissions and Vehicle Research Division
  Engine Design and Analysis
  Engine, Emissions and Vehicle Research Division
  Diesel Engineers and Technicians
  Lee Grant
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
  Filtration and Fine Particle Technology
Diesel Engine Performance/Generators 
  Engineering and Research Section
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Engine and Vehicle R&D
  Diesel Technology Section
  Medium Speed Diesel Engine Section
  Fuels and Lubricants Research Division
Diesel Engine Testing 
Div. 08 provides industry standard lubricant evaluation tests, several of which use operating diesel engines. Also, durability and performance testing of diesel engines and their components.
  Engine, Emissions and Vehicle Research Division
  Medium Speed Diesel Engine Section
  Fuels and Lubricants Research Division
  Diesel Engineers and Technicians
  Lee Grant
Diesel Engines 
  Administration
  Engine, Emissions and Vehicle Research Division
  Engine and Vehicle R&D
  Diesel Technology Section
Diesel Fuel Fingerprinting by GC/MS 
Speciates diesel fuels by the chemical types contained in them. Up to 120 chemical types will be reported in a quantitative manner. For example, n-C10 through n-C25 alkanes, tetraline, methyltetralines, Trimethyltetralines, naphthalene, methylnaphthalenes, alkyl benzenes, alkyl cyclohexanes, etc. will be among the 120 chemical types reported.
  Fuel Lab Prof Staff
Diesel Fuel Injection Wear 
Radioactive tracer technology is used to measure injector wear, in real-time, under actual (in-engine) or simulated (test bench) operation.
  Engine, Emissions and Vehicle Research Division
  Engine Design and Analysis
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
  Filtration and Fine Particle Technology
Diesel Fuel Production/Formulation 
  Chemical Engineering
  Administration
Diesel Fuel Properties 
  Chemical Engineering
  Engine, Emissions and Vehicle Research Division
  Fuel Survey Projects
  Fuel Lab Prof Staff
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
Diesel Fuel Systems 
  Engine, Emissions and Vehicle Research Division
  Hydraulic Vehicle Technology
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Fuels, Lubricants, and Fluids Applications
  Fluids Filtration and Handling Research
  Fuel Systems and Contamination Research
Diesel Particulate Characterization 
  Engine, Emissions and Vehicle Research Division
  Department of Emissions Research and Development
  Chemistry and Unregulated Emissions
  Fuels and Lubricants Research Division
Diesel Particulate Filter (DPF) Testing 
Diesel Particulate Filters (DPFs) will be heavily used to remove particulate emissions from diesel engine exhaust. DPF testing can be performed to measure efficiency, durability, balance point temperature, temperature profiles, and numerous other functions.
  Aftreatment Research and Development Section
  Certification, Audit, and Compliance
  Aftertreatment Technology
Differential Scanning Calorimetry 
Provides precise determinations of transition temperatures. Common temperature measurements include melting, oxidation onset, solid-state transition, crystallization, thermal stability, glass transition, liquid crystal, and cure onset.
  Lubricant Analysis, Administrative Staff
  Fluids Filtration and Handling Research
  Science & Analysis
  Surface Engineering and Materials Chemistry Section
  Environmental Performance of Materials
Differential Thermal Analysis 
  Engine, Emissions and Vehicle Research Division
  Fluids Filtration and Handling Research
  Instrument Systems Section
  Surface Engineering and Materials Chemistry Section
  Environmental Performance of Materials
Digital Acoustic Analysis--Compressors and Pump Installations 
Digital acoustical simulation techniques are used to assess the pressure pulsation characteristics of the compressor or pump installation and to design a pulsation and vibration control system.
  Engine, Emissions and Vehicle Research Division
  Fleet and Field Evaluations Section
  Administration
  Machinery Piping Design
  Fluids and Machinery Engineering Department
Digital Design--Hardware 
Digital design is a skill that involves the ability to build digital systems out of lower level digital devices. This includes electrical interfacing, schematic capture, simulation and board layout.
  Integrated Diagnostics Section
  Network-Centric Systems
  Electrical Systems
  Department of Engineering Applications and Systems Development
Digital Signal Processing (DSP) 
  Automation and Data Systems Division
  Administration
  Network-Centric Systems
  Administration
  Biomedical Engineering Section
  Science & Analysis
  Electrical Systems
  Applied Physics Division
  Institute Scientists
Digital to Analog Converter 
  Autonomous Systems and Control
  Network Communications and Infrastructure Group
DIN 53769-2 
  Fluids Filtration and Handling Research
Dioxins/Furans by High Resolution/Low Resolution Mass Spectrometry 
Multi-media analysis of polychlorinated dibenzo-p-dioxins (PCDD's) and polychlorinated dibenzofurans (PCDF's) using EPA Method 8280 (Low Resolution Mass Spectrometry), EPA Method 8290 (High Resolution Mass Spectrometry), and EPA method 1613 (High Resolution Mass Spectrometry).
  Division Quality Assurance
  Organic
  Fuel Lab Prof Staff
 
Direction Finding Equipment 
  Office of the Vice President
  SIGINT Solutions Department
  Program Management
  Staff Engineers and Specialists
  Signal Exploitation and Geolocation Division
  Project and Operations Support
Distillation (Petroleum) 
  Chemical Engineering
  Administration
Distinct/Discrete Element Analysis 
Distinct/discrete element analysis is a numerical simulations of static and dynamic behavior of systems with discontinuities or fractures using the distinct/discrete element method.
  Mining Geotechnical and Facility Engineering
Distributed Interactive Simulation 
  Administration
  Training, Simulation and Performance Improvement Division
  Administration
  Systems Engineering
  Emerging Technologies
Distributed Learning 
Distributed Learning
 
Distributed Systems 
Experience in the design and development of computer-based systems whose functionality is distributed across multiple compute nodes over local and/or wide area networks. Relevant concepts and technologies include software design; wired and wireless network design; network protocols and programming such as TCP/IP, UDP/IP, and multicast; client/server design; design for scalability; and web-based interfaces and services. SwRI has experience with distributed systems in the database/information systems domain, the multimedia domain, as well as the distributed real-time systems domain.
  Administration
  Administration
DOD-D-1000 (MIL Std Documentation) 
  Aircraft Systems Integration Section
  Division Administration
  Administration
Door/Window Certification 
Third-party listing, labeling and follow up inspection services for doors and windows, to comply with building, fire and/or marine safety codes."
  Administration
  Automation and Data Systems Division
  Department of Electromechanical and Optical Systems
Downhole/Borehole Camera--Mine Studies 
  Administration
Drilling 
  Administration
  Department of Electromechanical and Optical Systems
  Department of Electronics Systems and Robotics
  Mining Geotechnical and Facility Engineering
  Geosciences and Engineering Division
Drilling Hydraulics/Chip Transport 
We have conducted several projects for oil and gas companies where they are determining the influence of a number of parameters on the transport of drilling cuttings up the annulus of an oil/gas well. These parameters include hole angle, penetration rate, cutting size, drill string rotation rate, drill string size, drill string eccentricity, and drilling mud properties. We have also conducted projects to determine improved geometries for bottom hole assemblies, in order to reduce the torque and drag required to remove a drill string from a hole laden with drill cuttings.
  Fluid Dynamics and Multiphase Flow
Drilling Oil Field 
  Department of Electromechanical and Optical Systems
  Marine Structures and Engineering Section
  Mining Geotechnical and Facility Engineering
  Geosciences and Engineering Division
Drilling Platform--Marine Application 
  Marine Structures and Engineering Section
Drilling Systems 
  Administration
  Administration
  Department of Electromechanical and Optical Systems
  Department of Electronics Systems and Robotics
Drilling--Automated and Adaptive 
  Department of Electromechanical and Optical Systems
driveline testing services 
specification testing, OEM licensing or research, friction, fluid properties, performance
  Specialty and Driveline Fluids Evaluations Section
Drivetrain Engineering 
  Drivetrain Engineering
Drop/Impact Test 
Drop/impact testing is performed to simulate mechanical shock that products will be exposed to in service. Either free-fall or guided shock testing is performed to provide a broad spectrum of acceleration and duration of the required shock simulation. Guided shock tables and Electrodynamic shakers are utilized on product to provide a finer tuned shock simulation. Mechanical shocks simulated include transportation, product handling, impact, pyrotechnic, and other high accelerations environments.
  Fluids and Machinery Engineering Department
  Fluids and Machinery Engineering Department
  Fluids and Machinery Engineering Department
  Fluids and Machinery Engineering Department
  Administration
  Structural Engineering Department
Drug Analysis and Testing 
  Technology Development
  Chemistry and Unregulated Emissions
DSRC 
  Network Communications and Infrastructure Group
Dummy Crash Testing 
  Marine Structures and Engineering Section
  Structural Engineering Department
Dust Explosibility 
Product includes the simulation or modeling and analysis of explosions, intentional or unintentional, involving dust. Measurements may include pressure, impulse, speed, temperature, strain, etc.
  Engineering and Research Section
  Engine, Emissions and Vehicle Research Division
  Science & Analysis
Dust Explosion Tests 
Product includes the simulation or modeling and analysis of explosions, intentional or unintentional, involving dust. Measurements may include pressure, impulse, speed, temperature, strain, etc.
  Engineering and Research Section
  Science & Analysis
Dust Testing--hygroscopic 
This hygroscopic test simulates approximately 15 years of dust accumulation on an electronics card. The subject card is then subjected to a high humidity environment while operating to determine if operation is affected.
  Fluids and Machinery Engineering Department
  Structural Engineering Department
Dynamic Balance--Disk and Blade Sets (machine fixtures) 
Single stage disk and blade sets (sets in sufficient number to complete the assembly). Comprised of multiple sets of blade pairs, within moment tolerance; assemvly includes a disk that meets the OEM residual imbalance of the disk (marked for location and magnitude on the disk rim); Martched blade sets must meet OEM tolerance before calculating the optimum assembly distribution onto the disk.
  Aerospace Systems Engineering
Dynamic Balance--Rotor System 
Can be rotor assemblies, one to several stages. Subassembly is run on calibrated machine fixtures, to provide corrective weight and location. Machine rpms are typically <10% of the design speed (100%). End item engine assembly, run on test cell or installed in an aircraft and is measured for vibration exceedance of limits. Empirical relationships are developed to equate vibs to required weight additional and the associated location.
  Aerospace Systems Engineering
Dynamic Calculations 
Advanced computational methods and computer codes are used to solve a wide range of dynamic or transient engineering or environmental problems, including fluid mechanical systems response, materials response, structural response, and environmental response to dynamic forces.
  Administration
  Computational Mechanics
  Administration
  Machinery Piping Design
  Fluids and Machinery Engineering Department
Dynamic Material Response Impact 
  Administration
Dynamic Mechanical Thermal Analysis 
Mesurement of modulus of polymer and other semi-solid materials as a function of temperature. Identifies glass transition temperatures and melting temperatures of polymer materials.
  Science & Analysis
Dynamic Wear Test 
  Filtration and Fine Particle Technology
  Materials Engineering Department
Dynamometer Engine Testing 
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Engine, Emissions and Vehicle Research Division
  Administration
  Medium Speed Diesel Engine Section
  Engine Development
  Engine Design and Analysis
  SwARC Support and Business Development Administration
  Engine, Emissions and Vehicle Research Division
  Fuels and Lubricants Research Division
  Fuels and Lubricants Research Division
  International
  JAB Supervisors
  Lee Grant
  Fuels, Lubricants, and Fluids Applications
Dynamometer Testing--Heavy Duty Engines 
Testing of diesel engines, in a test stand, using a dynamometer to apply load to the engine and hence absorb its power output.
  Engine, Emissions and Vehicle Research Division
  Medium Speed Diesel Engine Section
  Fuels and Lubricants Research Division
  Diesel Engineers and Technicians
Dynamometer--Test Stand Fabrication 
  Engine, Emissions and Vehicle Research Division
  Engine Design and Analysis
  Lee Grant
  Instrumentation

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Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 12 technical divisions.

April 13, 2009