3 edition of Results of a low power ice protection system test and a new method of imaging data analysis found in the catalog.
Results of a low power ice protection system test and a new method of imaging data analysis
1992 by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, DC], [Springfield, Va .
Written in English
|Statement||Jaiwon Shin and Thomas H. Bondand Geert A. Mesander.|
|Series||NASA technical memorandum -- 105745.|
|Contributions||Bond, Thomas H., Mesander, Geert A., United States. National Aeronautics and Space Administration.|
|The Physical Object|
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The test results show that the de-icing performance of both systems mainly depends on the ice layer thickness and the environmental temperature.
The second aim of this work is to investigate the. Get this from a library. Results of a low power ice protection system test and a new method of imaging data analysis. [Jaiwon Shin; Thomas H Bond; Geert A Mesander; United States.
National Aeronautics and Space Administration.]. Fausto Pedro García MárquezJesús María Pinar-Pérez, in Non-Destructive Testing and Condition Monitoring Techniques for Renewable Energy Industrial Assets, Blades heating.
This system was developed by Kelly Aerospace .ThermaBlade provides ice protection for wind turbine. The product applies electric power to some external heaters that melt the small ice particles without.
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Measurement of Low-Impedance Grounding Systems by Power System Staged Faults Current Distribution in Extended Grounding Systems Introduction Test Considerations Analysis of Current Distribution in a Grounding SystemFile Size: 2MB.
Recent developments in sensor technologies, wearable computing, Internet of Things (IoT), and wireless communications have given rise to research on mobile and ubiquitous health-care and remote monitoring of peoples health and activities .Health monitoring systems include processing and analysis of data retrieved from smart-phones, smart watches, smart bracelets (that is, wristbands), as.
The change in geometry can provide new and useful information. Taking measurements at a series of points by moving a single antenna or with a multi-antenna system gathers even more information. Condensing the data into useful information-dense formats is a primary task of GPR signal processing.
The most common of these is a B-scan that presents. Total solution results demonstrated the following key points: (1) The highest accuracy, %, occurred in Model C from the use of decision tree learning with a percentage-split method for two classes in one run; (2) the highest accuracy mean, %, occurred in Models D and E from the use of naïve Bayes learning for cross-validation and.
inspection and acceptance testing of electrical power distribution equipment and systems. It is not intended that this document list how to test specific pieces of equipment or systems. Expected Test Results Section 7 consists of sections specific to each particular type of equipment.
Within those sections there are. A new laboratory with I.S.O. certification was selected to carry out the new tests. the first column indicates the test parameter and the last column indicates the method used to determine the test result (sometimes, more than one method may be used to determine residuals).
This system is designed to handle waters of low turbidity and. Also provides ice condition data and component status information for display to the pilots on the Cockpit Management System (CMS). ABIU relation to Ice Protection Control System Provides airspeed, outside air temperature (from the OAT Sensors), generator status, ECS status, engine status, weight on wheels condition, and commanded mode data to.
Sample Test Data. Depending on the size of the transformer winding under test, resistance readings will be expressed as ohms, milliohms, or microhms. The table below demonstrates how test data for a sim/V three-phase transformer with three primary de-energized tap changer positions can be recorded.
Learn about EPA's work to protect and study national waters and supply systems. Subtopics include drinking water, water quality and monitoring, infrastructure and resilience. Simplified Critical Movement Analysis - Introduction to Traffic Signal Phasing - Solar Energy: Principles and Applications - Overview of ADA Requirements - Electrical Power for Non-Electrical Engineers.
View All Webinars. Analysis for the Design and Test of an Ice Protection System for a Scoop Intake The European Union (EU) ‘Clean Sky’ [ 1 ] Joint Technology Initiative (JTI) is a research programme aimed at developing breakthrough technologies which will minimise the impact of aviation on the environment.
• IEEE Guide for Field Testing of Laminated Dielectric, Shielded Power Cable Systems Rated 5 kV and Above with High Direct Current Voltage. § IEEE - • IEEE Guide for Field Testing of Shielded Power Cable Systems Using Very Low Frequency (VLF) (Less Than 1 Hz).
§ IEEE - Appendix B - Stage 2 pull-out test results. 31 List of Figures. Figure 1: Illustrating a climber on an ice face. Figure 2: Showing how ice screw protection works. Figure 3: An ice screw.
Figure 4: A schematic crystal structure of Ih ice. Figure 5: A spring and dashpot model of ice. Figure 6: Stage 1 test. Wing anti-ice 2. Engine anti-ice 3. Windshield heating 4. Air data smart probe heating 5.
Windshield wipers 6. Ice detector. Power monitoring systems Electric utility requirements Trends in Systems Design There are many new factors to consider in the design of power distribution systems. Federal and state legislation has been introduced to reduce the output of carbon emissions into the environment; the intent being the reduction of.
Previous research has shown that job insecurity is linked to a range of performance outcomes, but the number of studies exploring this relationship is still limited and the results are somewhat mixed. The first aim of this study was to meta-analytically investigate how job insecurity is related to task performance, contextual performance, counterproductive work behavior, creativity, and safety.
The low contrast performance of the fluoroscopic system shall resolve a minimum hole size of 3 mm using a test tool composed of a mm aluminum sheet with two sets of four holes of dimension, and mm and 1 inches of Type aluminum or an equivalent device.
To be able to determine, verify and monitor the ice-and snow performance of different insulation solutions, laboratory test methods and an on-site, on-line web based surveillance system are needed.
Thermal imaging technology has become one of the most valuable diagnostic tools for industrial applications. By detecting anomalies that are usually invisible to the naked eye, thermal imaging allows corrective action to be taken before costly system failures occur.
Thermal imaging cameras are a unique tool to determine when. Most of the electric motor failures occur at the start up. Most of them are caused by the over-heating of motor. There are also other factors which greatly affect the performance of electric motors such as low resistance, dirt, moisture, over-current and vibrations.
Electric motors should be installed very carefully and should be looked after at regular intervals. or package test modifies card/system test. One method for doing data feed-forward is to store results in on-chip memory (e.g., Flash) that will be read and used at subsequent test steps.
Off-tester optimization of test flows (Feed-back): Off-tester data analysis drives test flow changes for future devices (fully automated). Figure 4–Typical record of insulation resistance of a mill motor. Curve A shows test values as measured; Curve B shows same values corrected to 20°C (see page 22), giving a definite downward trend toward an unsafe condition.
Reverse side of card (at right) is used to record the test data. Figure 3–Typical scale on the Megger insulation tester. Ice protection systems are designed to keep atmospheric ice from accumulating on aircraft surfaces (particularly leading edges), such as wings, propellers, rotor blades, engine intakes, and environmental control ice is allowed to build up to a significant thickness it can change the shape of airfoils and flight control surfaces, degrading the performance, control or handling.
Instrumentation, Cycling and the Power Industry. This information white paper discusses how changes in the power generation industry have impacted the adoption of future-proof water analysis. Radar is a detection system that uses radio waves to determine the range, angle, or velocity of objects.
It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same.
Modified GRO method and EPA Methodrespectively. These methods require the use of methanol as a preservative for most sampling. When methanol is used as the preservative, GRO and VOC results can be obtained from the same sample. Approximately 25 grams of soil is preserved with 25 ml of methanol in a tared ml vial.
Ice samples pulled from nearly a mile below the surface of Greenland glaciers have long served as a historical thermometer, adding temperature data to studies of the local conditions up to the Northern Hemisphere’s climate.
But the method — comparing the ratio of oxygen isotopes buried as snow fell over millennia — may not be such a straightforward indicator of air temperature.
Otherwise, if the data quality fails to satisfy the baseline standard, it is necessary to acquire new data. Strictly speaking, data analysis and data mining do not belong to the scope of big data quality assessment, but they play an important role in the dynamic adjustment and feedback of data quality assessment.
Ice Shape Analysis. CAV conducts icing related analysis using NASA’s LEWICE codes to simulate potential ice formation and calculates droplet impingement characteristics using trajectory computer codes. This allows us to subsequently optimise the placement and scale of ice protection systems to address predicted ice build-up.
The developed method of iceb e rg detection is based on statistical criteria for finding gradient zones in the analysis of two-dimensional fields of satellite images. The approaches proposed to detect icebergs from satellite data allow improving the quality and efficiency of service for a wide number of users with ensuring the efficiency and.
The most common non-destructive pile testing techniques are described with particular reference to low-strain integrity tests and cross-hole sonic logging. Guidance is given on the analysis, interpretation and reporting of the results of such tests, including computer-aided signal matching and modelling techniques to enhance the interpretation.
Analysis Tools. Analysis tools help users extract and read data from a variety of formats, display data within packages such as Research System's IDL, or assist in the geolocation of gridded products.
For more information or to download a tool, click on the tool's name in the table below. Ice screws are protection devices that allow climbers to anchor themselves to ice. This project is a response to the current lack of any controlled testing procedure for ice screws, and the perceived margin for improvement of ice screw design and usage in the field.
This project develops a quantitative, repeatable test methodology for ice screws. This feature news channel highlights experts, research, and feature stories related to alternative and renewable energy sources and the oil and gas economic situation that stimulates the industry.
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Immunoassays and total protein. Post-translational modification. Protein charge heterogeneity. Protein aggregation and particle analysis. Protein stability and formulation testing. Learn. Assay Retriever Tool (ART) Simple Western Kit Builder. Simple Western Ab database R&D Systems, Novus Biologicals, Tocris.ASTM's industrial hygiene and safety standards specify the materials and detail the test methods that are relevant in recognizing, assessing, and controlling the physical, chemical, and environmental hazards involved in the workplace that could disrupt worker's health and well-being.