Keyword: Engine cooling systems

Articles: Test & Measurement

Have you ever felt nauseous reading a book in the back seat of a car? Did you ever wake up from a deep sleep feeling disoriented? Momentary incidents like these happen when the sensory systems that...

Briefs: Manufacturing & Prototyping
Development of a Precision Thermal Doubler for Deep Space

Thermal requirements and a need for a very flat mechanical interface led to the development of a copper doubler for the titanium vault on the Juno Spacecraft. The vault is designed to contain the science instruments on the spacecraft, protecting them from damage due to the extreme...

Briefs: Sensors/Data Acquisition

This research provides a capacitance-based method for monitoring the integrity of tires and other polymeric products during manufacturing and throughout the useful...

Briefs: Physical Sciences
ISS Ammonia Leak Detection Through X-Ray Fluorescence

Ammonia leaks are a significant concern for the International Space Station (ISS). The ISS has external transport lines that direct liquid ammonia to radiator panels where the ammonia is cooled and then brought back to thermal control units. These transport lines and radiator panels are...

Briefs: Physical Sciences
Hollow-Fiber Spacesuit Water Membrane Evaporator

The hollow-fiber spacesuit water membrane evaporator (HoFi SWME) is being developed to perform the thermal control function for advanced spacesuits and spacecraft to take advantage of recent advances in micropore membrane technology in providing a robust, heat-rejection device that is less...

Application Briefs: Sensors/Data Acquisition

NASA’s Landsat 8 Earth-observation satellite, part of the Landsat Data Continuity Mission (LDCM), launched into orbit on February 11, 2013. The satellite is intended to monitor...

Briefs: Information Technology
Deepak Condenser Model (DeCoM)

Development of the DeCoM comes from the requirement of analyzing the performance of a condenser. A component of a loop heat pipe (LHP), the condenser, is interfaced with the radiator in order to reject heat. DeCoM simulates the condenser, with certain input parameters. Systems Improved Numerical Differencing...

Briefs: Materials
Phase Change Material for Temperature Control of Imager or Sounder on GOES Type Satellites in GEO

An imager or sounder on satellites, such as the Geostationary Operational Environmental Satellite (GOES), in geostationary orbit (GEO) has a scan mirror and motor in the scan cavity. The GEO orbit is 24 hours long. During part of the orbit, direct...

Briefs: Mechanical & Fluid Systems

The FETS is a light and compact thermal surface (sun shade, IR thermal shield, cover, and/or deployable radiator) that is mounted on a set of offset tape-spring hinges. The thermal surface is...

Articles: Imaging

NASA’s twin Mars rovers, Spirit and Opportunity, remain one of the Agency’s greatest achievements in exploration. On Earth, these robots are best known for their stunning...

Briefs: Mechanical & Fluid Systems
Optimized Radiator Geometries for Hot Lunar Thermal Environments

The optimum radiator configuration in hot lunar thermal environments is one in which the radiator is parallel to the ground and has no view to the hot lunar surface. However, typical spacecraft configurations have limited real estate available for top-mounted radiators, resulting...

Products: Lighting

N2Power (Simi Valley, CA) a division of Qualstar Corporation, has announced constant current versions of its 375W AC-DC power supply dubbed XL375LED. The new units are designed to drive strings of LEDs in...

Briefs: Mechanical & Fluid Systems

Next-generation heat-pipe radiator technologies are being developed at the NASA Glenn Research Center to provide advancements in heat-rejection systems for space power and...

Products: Lighting

Axelsys LLC (Fremont, CA) has announced the latest addition to its line of Axelerator™ Products and IP — the AXPS3000, High- Lumens LED Lamp power supply unit (PSU). Developed as a complete system power...

Briefs: Materials
Using Pre-Melted Phase Change Material to Keep Payloads in Space Warm for Hours Without Power

Adding phase change material (PCM) to a mission payload can maintain its temperature above the cold survival limit, without power, for several hours in space. For the International Space Station, PCM is melted by heaters just prior to the payload...

Articles: Materials

The Partnership for Next Gen eration Vehicles (PNGV) is not a NASA initiative to develop powerful new rockets and spacecraft, even though it may sound like one. PNGV was a partnership...

Products: Lighting

Spectronics Corporation (Westbury, NY) has introduced the powerful Spectroline® TRITAN ™ 365, an ultra-high-intensity, multi-LED, broad-beam UV-A inspection lamp perfect for NDT applications. The TRITAN 365 features...

Briefs: Manufacturing & Prototyping

The NASA Human Space Flight program is interested in projects where humans, beyond low-Earth orbit (LEO), can make an important and unique contribution that cannot be reasonably...

Articles: Automotive

Having your car’s air conditioner lose its cool on a hot day can make for an uncomfortable ride. A breakdown in thermal control in space is far more than a matter of comfort; on the...

Application Briefs: Lighting

Branded Cities Network (“BCN”), a division of Phoenix, AZbased EL Media Holdings USA, LLC, announced an exclusive representation agreement to sell digital advertising and integrated...

Briefs: Mechanical & Fluid Systems

Future lunar landers and rovers will require variable thermal links that allow for heat rejection during the lunar daytime and passively prevent heat rejection during the...

Briefs: Software

The controlled transfer of heat from a component to its surroundings is critical for the operation of many industrial processes. For example, cooling of electronics components is needed to maintain safe operation and...

Articles: Electronics & Computers

AdvancedTCA (ATCA) continues to evolve to meet not just the market demands for the telecom central office, but networking, data center, medical, and military communications applications. The...

Products: Lighting

Light Efficient Design (North Barrington, IL) recently introduced its new LED-8025 Garage / Utility light. Designed for low bay applications in parking structures and warehouses, this patent pending lamp replaces...

Products: Lighting

GE Lighting (East Cleveland, OH) recently announced a light-emitting diode replacement for the 100-watt incandescent light bulb that packages 27 watts of input power in a standard “A-19” bulb shape. The GE Energy...

Briefs: Physical Sciences
360° Camera Head for Unmanned Sea Surface Vehicles

Autonomous navigation and control for unmanned sea surface vehicles requires a visual sensing system to provide a 360° view from the vehicle deck for situational awareness. Successful operation required a sensing system mechanically packaged to withstand weather, sea spray, and an environment...

Products: Lighting

EV Group (St. Florian, Austria) has announced the EVG620HBL Gen II, the second-generation, automated mask alignment system for volume manufacturing of high-brightness light-emitting diodes (HB-LEDs).

Briefs: Physical Sciences

Air gaging relies on a law of physics that states flow and pressure are directly proportionate to clearance and react inversely to each other. As clearance increases,...

Briefs: Materials
Non-Toxic, Low-Freezing, Drop-In Replacement Heat Transfer Fluids

A non-toxic, non-flammable, low-freezing heat transfer fluid is being developed for drop-in replacement within current and future heat transfer loops currently using water or alcohol-based coolants. Numerous water-soluble compounds were down-selected and screened for...

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