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Topic: Thermal


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In the News (Mon 23 Nov 09)

  
  Thermal - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-06)
A thermal column (or thermal) is a column of rising air in the lower altitudes of the Earth's atmosphere.
Thermals are often indicated by the presence of visible cumulus clouds.
Thermals are one of the many sources of lift used by glider pilots to climb.
en.wikipedia.org /wiki/Thermal   (389 words)

  
 Thermal conductivity - Wikipedia, the free encyclopedia
Thermal conductivity is the quantity of heat, Q, transmitted through a thickness L, in a direction normal to a surface of area A, due to a temperature difference ΔT, under steady state conditions and when the heat transfer is dependent only on the temperature gradient.
A thermal conductance tester, one of the instruments of gemology, determines if gems are genuine diamonds using diamond's uniquely high thermal conductivity, which is higher still for natural blue diamond.
A third term, thermal transmittance, incoporates the thermal conductance of a structure along with heat transfer due to convection and radiation.
en.wikipedia.org /wiki/Watt_per_metre-kelvin   (806 words)

  
 Encyclopedia: Thermal conductivity
A third term, thermal transmittance, incoporates the thermal conductance of a structure along with heat transfer due to convection ((meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere) and radiation (Energy that is radiated or transmitted in the form of rays or waves or particles).
The thermal conductivity of a material is equivalent to the quantity of heat that passes in unit time through unit area of a plate, when its opposite faces are subject to unit temperature gradient (e.g.
Since diamond has such a high thermal conductivity, natural blue diamond much higher still, one may test gems to determine if they are genuine diamonds using a thermal conductance tester, one of the instruments of gemology.
www.nationmaster.com /encyclopedia/Thermal-conductivity   (410 words)

  
 Thermal Energy   (Site not responding. Last check: 2007-11-06)
Thermal energy of a material is the total kinetic and potential energies of all its particles and dependents on the amount of material.
Thermal energy that is transferred from one quantity of matter to another because of a difference in temperature.
Thermal energy would not be conducted through the spoon, and the end not in contact with the heat source would remain cool.
www.uh.edu /hti/cu/1999/v02/02.htm   (5419 words)

  
 Methods of Thermal Analysis   (Site not responding. Last check: 2007-11-06)
Thermal analysis includes a group of methods by which the physical and chemical properties of a substance, a mixture and/or reaction mixtures are determined as a function of temperature or time, while the sample is subjected to a controlled temperature program.
This thermoanalytical method allows the measurement of the thermal conductivity of a sample (solid or powder) as a function of temperature.
This is a thermoanalytical method which measures the thermal diffusivity of the sample (solid, liquid or powder) at constant temperatures while monitoring the temperature increase of the sample caused by the absorbed energy of a laser flash.
www.e-thermal.com /methods.html   (576 words)

  
 New Technique Developed for Studying Thermal Conductivity
Thermal conductivity is a property of prime importance in many advanced applications.
In the thermal conductivity image (b) the brighter shades represent areas of higher thermal conductivity (Si).
In the thermal conductivity image (2a), the fibers are clearly visible and appear to have a lower thermal conductivity than the matrix.
www.hsrd.ornl.gov /cfcc/n4/thermal.html   (578 words)

  
 Thermal Physics [encyclopedia]   (Site not responding. Last check: 2007-11-06)
Thermal physics is a particular interesting aspect of physics as it underlies the operation of engines and refrigeration systems.
The temperature of the object was then a measure of the thermal energy, essentially an average of the kinetic energy of all the molecules of that object.
Thermal action would also cause the ratchet to bounce out of place, and the skewed configuration of the gear teeth would make it more likely the gear would move in reverse if that happened.
kosmoi.com /Science/Physics/Thermodynamics   (7468 words)

  
 Thermal-Aid Testimonials
Thermal Aid products are superior to ice or gel packs because they cool down quickly, readily mold to the shape of the dog, don't create wet condensation, don't leak like gels and stay cool long enough to complete treatment.
Thermal Aid has recently been incorporated into my life, and I only wish I had this product when I was training for the Olympics.
Thermal Aid is proving its effectiveness in osteoarthritis, muscle injuries and spinal or joint problems.
www.thermal-aid.com /testimonials.html   (1755 words)

  
 MEROPE Thermal   (Site not responding. Last check: 2007-11-06)
Among the many factors to account for are the nature of the harsh outer space environment, the type of orbit that the satellite will be in, the various heat transfer mechanisms that may affect the temperature of the satellite, and the size, shape, weight, and configuration of the satellite.
If we must thermally isolate a certain component, (this would be done if it is deemed that the satellite as a whole will not operate within a given component's operating temperature range), we will use thermal insulation and various other thermal stand-offs in order to maintain the component's temperature within its given temperature range.
A thermal vacuum test is performed in an oxygen-free chamber that is subject to cyclic hot and cold conditions that are designed to simulate the actual orbit that the satellite must endure.
www.ssel.montana.edu /merope/subsystems/subsys_thermal.html   (2706 words)

  
 Intel® Pentium® III Processor - Thermal Management
It is critical when building quality systems using the boxed Pentium III processor to carefully consider the thermal management of the system and verify the system design with thermal testing.
The term "thermal management" refers to two major elements: a heatsink properly mounted to the processor, and effective airflow through the system chassis.
Proper thermal management is achieved when heat is transferred from the processor to the system air, which is then vented out of the system.
support.intel.com /support/processors/pentiumiii/sb/CS-007589.htm   (1239 words)

  
 Intel® Pentium® 4 Processor - Thermal Management
In its active state, the Thermal Monitor feature scales back processor power consumption, if the factory programmed thermal design temperature is exceeded (see Table 2 or the Pentium 4 Processor Datasheet for complete thermal specifications.).
Thermal interface material (either attached to the bottom of the heatsink or applied during system integration with an applicator) provides effective heat transfer from the processor to the fan heatsink.
Thermal interface material is required for proper heat transfer from the processor to the fan heatsink.
support.intel.com /support/processors/pentium4/sb/CS-007999.htm   (2079 words)

  
 BETAsoft Thermal Analysis Software
For anyone who ever worked on the thermal management of electronics, the interesting experience may have been that you did not encounter thermal analysis for many days, but once it comes, you are required to finish it in a very short time.
Unfortunately, when you conduct the thermal analysis it is usually not one shot to resolve a thermal problem.
Thermal analysis includes the trade off among various ideas of solutions and their magnitudes.
www.betasoft-thermal.com /newsletter0903.asp   (438 words)

  
 Thermal Geophysics Group: Research
These data, coupled with GPS and InSAR, which give a measure of elevation changes, are being used to understand the elastic and inelastic response of aquifer systems to groundwater withdrawal and recharge.
Derrick Hasterok (B.S. Caltech) is conducting research into the thermal state of the continents.
Cal State Fullerton) studied the Taranaki basin, New Zealand where plate tectonics and recent volcanism provide a mouth-watering variety of thermal events and fields that control the maturation of hydrocarbons.
thermal.gg.utah.edu /research   (638 words)

  
 Learn About - What is thermal expansion, selecting an expansion tank, Potable vs. Non-Potable systems.   (Site not responding. Last check: 2007-11-06)
Thermal expansion of water in a closed plumbing system can create a number of annoying and potentially dangerous problems.
Thermal expansion of heated water may occur wherever potable water is heated in a closed system (when the potable water is isolated from the public water supply by a one-way valve, such as a pressure reducing valve, backflow preventer or check valve).
Thermal expansion of heated water may occur wherever water is heated in a closed system (when the boiler water is isolated from the public water supply by a one-way valve, such as a feed water pressure reducing valve, backflow preventer, check valve, etc.).
www.watts.com /pro/divisions/watersafety_flowcontrol/learnabout/learnabout_thermexpansion.htm   (1350 words)

  
 Thermal Corporation - Quality Air Handling Equipment Since 1945
Quality - Because THERMAL has manufactured quality air handling equipment since 1945 using only the finest materials, equipment, workmanship and design expertise, many tens of thousands of THERMAL air handlers remain in service after 30-40-50 years of service and longer.
Custom Capability - THERMAL is renowned for the design and manufacturing expertise and flexibility which is often required to meet the special needs for custom installations.
Located in Houston, Texas, THERMAL is a wholly owned subsidiary of Industrial Data Systems (Amex:IDS), a publicly-owned, Houston-based firm with other interests in industrial products manufacturing and engineering services.
www.thermal-corp.com   (302 words)

  
 Honeywell - Thermal Switch
THERMAL SWITCHES exported from the United States must be done in accordance with the Export Administration Regulations (EAR) and/or the International Traffic in Arms Regulations (ITAR) as applicable.
Flat wound strip sensors start as thin as 0.020" and our thermal sensing coil wound probes begin with diameters as small as 0.25".
Honeywell is a key thermal control supplier for a long history of military aircraft platforms - both fixed wing and rotor wing craft.
www.thermalswitch.com   (271 words)

  
 MH&W: Thermal Home
Keratherm products produce a heat transfer on the thermal profile that is nearly free of loss.
: thermally conductive electrical insulating single component polymer that is filled with a ceramic material and is highly flexible.
The outstanding flexibility allows for the formation of flexible thermal circuits, interfaces and cable harnesses.
www.mhw-thermal.com   (236 words)

  
 Thermal Printers : FUJITSU EMEA
Fujitsu’s thermal printers are renowned for more than 20 years for their quality, which in turn has helped us become established as one of the major thermal printer manufactures.
Our thermal printers can be found in many day to day applications such as cash registers, offices, car parks, trucks and POS terminals.
The Fujitsu thermal printers are also used for applications in emerging markets such as the agriculture and the medical industry.
www.fujitsu.com /emea/services/components/printers   (367 words)

  
 Thermal-eye infrared imaging cameras
The L3 thermal Eye 250D camera is a lightweight thermal imaging system that is ideal for surveillance, energy audits, condition monitoring, flat roof inspections and a wide variety of industrial applications.
The Fusion 1000x Thermal imager is an ultra long range surveillance thermal imager which packs super sensitive Indium Antimonide sensor for detection ranges in excess of 20 kilometers for vehicular target and 17 kilometers for man sized target.
The RP long-range mid-wave thermal imaging systems operate in the 3-5 micron spectral region, which is the best choice for marine and high humidity environments.
www.x20.org /spygear   (2415 words)

  
 COSMOS Products - Thermal Analysis   (Site not responding. Last check: 2007-11-06)
COSMOSWorks Thermal analysis allows design engineers and analysis experts to perform heat transfer analysis of their SolidWorks models.
Thermal analysis allows engineers to study temperature changes encountered by mechanical parts and structures in their normal operating conditions, which influence a product's performance.
Due to underlying integration of the design and analysis products, thermal analysis can be performed as an integral part of the design process.
www.cosmosm.com /pages/products/analysis_thermal_works.html   (124 words)

  
 Thermal carb - DRDB: SBAPCD 359 FLARES AND THERMAL OXIDIZERS   (Site not responding. Last check: 2007-11-06)
Thermal carb - DRDB: SBAPCD 359 FLARES AND THERMAL OXIDIZERS
The old thermal pad is shot i'm sure so What's the safest way to remove it so i can put some thermal Carb or brake cleaner dissolves it in a heartbeat.
The provisions of this Rule shall apply to the use of flares and thermal oxidizers at oil and CO2 and O2 concentrations -- USEPA Method 3 or CARB 100.
rye-whiskey.surferlight.com /?q=rye-whiskey-thermal-carb   (268 words)

  
 Thermal Sensors - Honeywell Sensing and Control
Commercial, precision and high reliability thermostats, heaters, thermal cutoffs, thermistors and temperature and humidity sensors for a variety of temperature and humidity sensing requirements.
These sensors are suitable for applications that require small package size, accuracy and linear outputs.
Thermal cutoffs (also known as thermal links or thermal fuses) provide the most cost-effective "one-shot" or single operation over-temperature protection for small appliances, resistive heating elements and office automation equipment.
content.honeywell.com /sensing/products/thermalhumidity   (217 words)

  
 Soviet Mars Propulsion - Nuclear Thermal
Soviet nuclear thermal propulsion was initially pursued as an alternative to nuclear electric propulsion.
Further investigation of nuclear thermal stages for the N1 does not seem to be pursued by OKB-1.
A nuclear thermal Mars spacecraft proposed by the Kurchatov Institute in 1989 featured a new design powerplant of 20,000 kgf, a thermal power of 1200 MW, operating time of 5 hours, and a specific impulse of between 815 and 927 seconds.
www.astronautix.com /articles/sovermal.htm   (1042 words)

  
 Thermal Infrared Imaging
The first affordable thermal weapon sight designed specifically for homeland security, police and security professionals.
The 59x is one of the all time greatest handheld thermal imaging systems ever produced.
Featuring high performance uncooled thermal imaging, full radiometric data, sharp color and the easiest to use control set of any camera out there.
www.imaging1.com /thermal/IR_Cam.html   (607 words)

  
 Tukwila Ladder54 Thermal Imaging Infrared camera
Ladder54 firefighters were the crew that integrated the thermal imaging camera into the Tukwila Fire Department and thus have some images for visitor viewing.
He was found in a matter of seconds with the thermal imager camera.
The thermal imager comes with an option that allows it to TRANSMIT the image to a screen (TV) outside the fire (ex- to the command car).
www.ladder54.com /thermal.htm   (653 words)

  
 thermal weaponsight
Weighing only three pounds, the TWS2000 Thermal imaging scope is one of the lightest thermal sights available to today's warfighter.
The Thermal sight is based on the combat-proven technology that drives SPI's successfully fielded line of thermal imaging products.
The compact design and light weight of the TWS2000 Thermal Weapon Sight make it ideal for use as both a hand-held thermal imager and a rifle-mounted sight.
www.imaging1.com /thermal/Thermal_weapon_sight.html   (420 words)

  
 Thermal Containers
Most thermal carafes with stainless or glass inner liners will hold foods hot for 8 to 12 hours, and cold for 8 to 24 hours, depending on the model.
All-plastic thermal containers will hold a reasonable temperature for about 4 to 8 hours.
The pocket of air, or vacuum, between the glass or stainless liner and the exterior surface is what keeps heat or cold from reaching the contents of the container.
fantes.com /thermal.htm   (295 words)

  
 NETZSCH Thermal Analysis Products   (Site not responding. Last check: 2007-11-06)
The 400 Series is designed primarily for high-temperature applications in the thermal analysis of ceramics, minerals, metals, polymer composites, etc. and the determination of thermophysical properties.
Thermal expansion of solids and, in some cases, liquids and softening behavior
Heat flow meters are typically used to test foam, fiberglass or fill insulations used in building and home applications as well as some structural materials and moisture barrier material.
www.e-thermal.com /products.htm   (534 words)

  
 BETAsoft SiP/MCM Thermal Analysis Software Validations
Sometimes the hottest components are very small and require delicate thermal design, such as a film resistor.
Mini-Systems modeled one of their 1W thick film resistors in the BETAsoft program.
The temperature predicted by BETAsoft is compared to an infrared thermal image from a thermal camera.
www.betasoft-thermal.com /bga-mcm/validations.asp   (156 words)

  
 Thermal-Eye   (Site not responding. Last check: 2007-11-06)
Our thermal imaging cameras make the world a safer place by allowing people to see in total darkness.
Through applications in public safety, fire and rescue, industry, security and transportation, customers use Thermal-Eye products to prevent and investigate crimes, to improve the safety of nighttime driving, to monitor business facilities and to assist in search and rescue operations.
Press Release: Thermal Imaging Being Used to Curb Looting on Florida Coast
www.thermal-eye.com /home_flash.asp   (114 words)

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