Keyword: Engine cooling systems

Briefs: Manufacturing & Prototyping

Inflatable tubular structures that have annular cross sections rigidized with foams, and the means of erecting such structures in the field, are undergoing development. Although the...

Articles: Electronics & Computers

As the cooling challenges in embedded system applications have multiplied due to increased processing performance, smaller package and system footprints, and the requirement to operate in more...

Briefs: Electronics & Computers

The cellular reflectarray antenna is intended to replace conventional parabolic reflectors that must be physically aligned with a particular satellite in geostationary orbit. These arrays are designed for...

Briefs: Mechanical & Fluid Systems

Assemblies of tanks having shapes that conform to each other and/or conform to other proximate objects have been investigated for use in storing fuels and oxidizers in small available spaces in upper stages of...

Briefs: Software

The Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL) High Flux Isotope Reactor (HFIR) is the highest- flux reactor-based source of neutrons for condensed-matter...

Articles: Test & Measurement

The fourth servicing mission (SM-4) for the Hubble Space Telescope (HST) offered an impressive and unprecedented set of advanced technologies that may yield the most...

Articles: Robotics, Automation & Control

Winner of an HP Workstation Small-Area Thin-Film Heat Flux Sensor Mahmoud Assaad
The Goodyear Tire & Rubber Co.
Akron, OH

This sensor is being used in tires of all types...

Articles: Electronics & Computers
Electronic Fog, Frost, and Ice Prevention Technology

Don Skomsky
Integrity Engineering, Inc.
West Chester, PA

This electronic device prevents condensation, frost, and ice from...

Briefs: Physical Sciences

A compact photonic microwave Fourier spectrum analyzer [a Fourier-transform microwave spectrometer, (FTMWS)] with no moving parts has been proposed for use in remote sensing of weak, natural...

Articles: Motion Control

For process industries, one of the greatest challenges plant operators face is finding a sensor technology that will provide reliable measurement of liquid levels in tanks while...

Articles: Electronics & Computers

For decades military platforms have included electronics for avionics, vehicle controls, radios, radar, sonar and fire control. From a computational standpoint most of these systems could be accomplished...

Briefs: Mechanical & Fluid Systems

Two hydrogen generators based on reactions involving magnesium and steam have been proposed as means for generating the fuel (hydrogen gas) for such fuel-cell power systems as...

Articles: Imaging

With increased digitalization in the field of industrial image processing, the industry sometimes rashly writes off conventional technologies. In actuality, many...

Briefs: Mechanical & Fluid Systems
Nonventing, Regenerable, Lightweight Heat Absorber

A lightweight, regenerable heat absorber (RHA), developed for rejecting metabolic heat from a space suit, may also be useful on Earth for short-term cooling of heavy protective garments. Unlike prior space-suit-cooling systems, a system that includes this RHA does not vent water. The closed...

Briefs: Materials

Applying an electric current to specially coated glass results in radiant heat energy. This process creates a transparent heating element with near- uniform surface temperatures. Manufacturing...

Application Briefs: Electronics & Computers

The design of enclosures to house networking servers and components should be guided by one overriding concern — heat. Servers, in particular, generate a great deal of heat, so an...

Briefs: Electronics & Computers

The figure depicts selected aspects of a very-high-frequency (VHF) microstrip-patch antenna designed and built to satisfy requirements specific to an airborne synthetic-aperture radar...

Books & Reports: Aerospace
Lightweight Carbon-Carbon High-Temperature Space Radiator

A document summarizes the development of a carbon-carbon composite radiator for dissipating waste heat from a spacecraft nuclear reactor. The radiator is to be bonded to metal heat pipes and to operate in conjunction with them at a temperature approximately between 500 and 1,000 K. A goal...

Briefs: Software
Computational Model of Heat Transfer on the ISS

SCRAM Lite ("SCRAM" signifies "Station Compact Radiator Analysis Model") is a computer program for analyzing convective and radiative heat transfer and heat-rejection performance of coolant loops and radiators, respectively, in the active thermal-control systems of the International Space Station...

Briefs: Mechanical & Fluid Systems
Safety Modification of Cam-and-Groove Hose Coupling

A modification has been made in the mating halves of a cam-and- groove hose coupling to prevent rapid separation of the halves in the event that the cam levers are released while the fluid in the hose is pressurized. This modification can be duplicated on almost any commercially available...

Articles: Electronics & Computers

The complexity of military and aerospace systems is growing — more components, interfaces, power, bandwidth, processing, features, and data — and these systems are...

Application Briefs: Photonics/Optics

Thermal issues are dominating today’s electronic product design landscape as never before. It is easy to see this in Intel’s move to a multi-core architecture as a methodology to manage...

Articles: Electronics & Computers

All electronic devices generate heat due to their unavoidable internal losses and inefficiencies. The higher the efficiency rating of the device, the less internal heat is generated...

Articles: Motion Control

The trend in aircraft design is toward more efficient brushless DC motors. A integrated motor drive module for brushless DC motors from International Rectifier (El Segundo, CA) reduces the effort...

Articles: Electronics & Computers

The need for commercial off the shelf (COTS) single board computer (SBC) products continues to grow as higher processing, smaller footprints and lower power requirements become more critical....

Briefs: Physical Sciences

An improved thermal modulator has been invented for use in a variant of gas chromatography (GC). The variant in question — denoted as two-dimensional gas chromatography (2DGC) or GC-GC...

INSIDER: Electronics & Computers

Since their introduction in 1991, PC/104 standard based systems have been widely adopted in various applications. Unmanned aircraft control, onboard vehicle control and navigation...

Briefs: Mechanical & Fluid Systems
Multistage Passive Cooler for Spaceborne Instruments

A document describes a three-stage passive radiative cooler for a cryogenic spectrometer to be launched into a low orbit around the Moon. This cooler is relatively lightweight and compact, and its basic design is scalable and otherwise adaptable to other applications in which there are...

Briefs: Semiconductors & ICs

A method of fabricating flexible assemblies comprising flexible integrated circuits bonded onto or into flexible membranes has been developed. The method provides for bonding of thinned...

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