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ASHRAE AB-10-024 - HEAT GAIN FROM ADJUSTABLE SPEED (VARIABLE FREQUENCY) DRIVES Organization: ASHRAE
Date: 2010-01-01
Description: AC motors are used more frequently than DC motors because they can be connected directly to the utility power lines. For this reason, VFDs have greater use than other ASDs.
SAE/TP - 2008-01-2919 - ENABLING MUCH HIGHER POWER DENSITIES IN AEROSPACE POWER ELECTRONICS WITH HIGH TEMPERATURE EVAPORATIVE SPRAY COOLING Organization: SAE/TP
Date: 2008-11-11
Description: Also, the use of lower coolant flow rates enables the use of a smaller and lighter liquid pump. These factors, combined with the higher power density achieved, mean that evaporative spray cooling has significant potential to yield a lightweight thermal management system for aerospace applications.
ASHRAE - LO-09-069 - FROST ACCUMULATION CONTROL ON AN UPWARD-FACING HORIZONTAL FLAT PLATE USING ELECTRIC FIELD Organization: ASHRAE
Date: 2009-01-01
Description: Every experiment was conducted under controlled environmental conditions (air dry bulb temperature and air relative humidity), which were appropriate for heat pump applications and not well investigated in open literature.
NACE TM0109 - ABOVEGROUND SURVEY TECHNIQUES FOR THE EVALUATION OF UNDERGROUND PIPELINE COATING CONDITION - ITEM NO. 21254 Organization: NACE
Date: 2009-03-21
Description: The items in the list are not intended to address all possible variables that may affect applicability of a technique to a specific pipe section: Pipeline diameter and pipe-wall thickness, fluid transmitted, temperature, direction of flow, and operating pressure; Pipeline coating type, age, and whether pipeline/sections are under concrete; Route maps and cathodic protection records, when available; Whether or not in-line inspection (ILI) correlation point locations are used together with global positioning system (GPS) information to compare known aboveground and underground survey data; Pipeline depth-of-cover and soil type; Whether or not the pipeline section is under frozen ground; Right-of-way (ROW) condition, including ground cover above the pipeline such as pavement, concrete, wetlands, bodies of water, and rocky terrain; Location, separation distance, and electrical isolation condition of metallic structures adjacent to the pipeline; Location, separation distance, and electrical isolation condition of underground parallel pipelines in the pipeline ROW; Location and electrical isolation condition of casings; Location, type, and status of CP systems influencing the pipeline section; Location of foreign CP systems influencing the pipeline section; Location and status of CP test points; Location and status of electrical isolation from aboveground features, such as valves and piping in compressor or pump stations, and electrical grounding; Location of overhead high-voltage AC transmission lines parallel to or crossing the pipeline ROW; Location of buried power cables parallel to or crossing the pipeline ROW; and Location and influence, if known, of DC traction systems, industrial facilities utilizing DC induction or welding equipment, or overhead DC power lines parallel to or crossing the pipeline ROW. Qualifications The provisions of this standard should be applied under the direction of competent persons who, by reason of knowledge of the physical sciences and the principles of engineering and mathematics acquired by education and related practical experience, are qualified to engage in the practice of corrosion control on buried or submerged metallic piping systems.

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