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Topic: Thermal regulation

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	Thermal Design
		Passive internal temperature control is achieved by using matt-fl paint and thermal doublers to maximise radiative and conductive heat transfer between sub-units.
		Detailed thermal modelling of spacecraft is an extremely complex undertaking as it involved describing the spacecraft as an array of elements that exchange heat by mutual radiation and conduction.
		Thermal modelling of the basic design concept for the probe indicated that it would probably be possible to maintain a reasonable level of average temperature control using only passive measures.
	homepage.mac.com /sjbradshaw/msc/thermal.html (1800 words)

	Thermoregulation - Wikipedia, the free encyclopedia
		But for man the great heat regulator is undoubtedly the skin, which regulates heat loss by its vasomotor mechanism, and also by the nervous mechanism of perspiration.
		The cause of the variable temperature in infants and young immature animals is the imperfect development of the nervous regulating mechanism.
		The average temperature falls slightly from infancy to puberty and again from puberty to middle age, but after that stage is passed the temperature begins to rise again, and by about the eightieth year is as high as in infancy.
	en.wikipedia.org /wiki/Thermal_regulation (3065 words)

	Chapter 7: Thermal Regulation (Site not responding. Last check: 2007-10-15)
		Thermal regulation is necessary for a lunar rover due to the extremes of heat and cold experienced on the lunar surface during the lunar day and night.
		The general design for the thermal regulation system for the lunar rover calls for separate radiators for the Kr85 heat source and the electronics enclosure, a high-emittance/low-absorptance surface paint for all exposed rover surfaces, and panels of multilayer insulation and aerogel to isolate the underside of the rover from heat transfer with the lunar surface.
		Thermal insulation is needed on the lunar rover to protect the internal components from the excessive heat of the Kr85 heat source and to isolate the undercarriage of the rover from heat transfer.
	www.frc.ri.cmu.edu /projects/lri/Luna/report/therm_chap.html (2494 words)

	Thermal Insulation
		Thermal insulation is the term applied to methods or systems for reducing loss of heat from an enclosed area whilst, at the same time, reducing the influence of external temperature.
		Thermal conductivity (k) is a measure of the ability of a homogeneous material to conduct heat.
		Thermal Transmittance is the overall air to air coefficient of heat transmitted through a structure and the surface films.
	www.flourmilling.net /thermal.html (770 words)

	Patent 5034688: Temperature conditioning support for small objects such as semi-conductor components and thermal ...
		A process as claimed in claim 16, wherein temperature regulation is effected by an on-off control of the thermal fluid flow when the temperature of the platen indicated by the thermometric system reaches upper and lower thresholds straddling the reference temperature.
		A process as claimed in claim 15, wherein the thermal fluid is a dry gas and the outflow of said fluid is utilized to blow on the surface of the platen so as to prevent condensation on the latter.
		Thermal regulation of a silicon wafer on the external face of platen 1b can be performed by injecting into the entrance chamber 10 a fluid brought to the temperature corresponding to the reference temperature of the silicon wafer 2, under control of a thermometric probe associated to platen 1b.
	www.freepatentsonline.com /5034688.html (3696 words)

	13th International Conference on Thermal Enerieering and Thermogrammetry THERMO OKK-OSSKI MATE
		Furthermore, thermal properties of constituent materials were independently measured beforehand, so that composite multi-layer conductivity or insulation values could then be calculated and compared to a range of thermal power outputs of different users performing variable tasking functions, i.e., at variable metabolic rates.
		Clearly, thermal regulation, coupled with proper vapor (e.g., sweat) permeation, at the interface, prevents the human body from endeavoring self-regulatory thermal processes (further sweating, developing goose pumps, endeavoring postural adjustments, in chair movement, shivering, or excessive heat generation), which are all direct measures (indications) of discomfort.
		to process thermal images and retrieve their temperature and emissivity data, areas on the cushion were used to calculate, average and maximum temperatures, as well as standard deviation of all temperature measurements within that area.
	www.dsy.hu /thermo/habboub (3268 words)

	Patent 5053605: Device for thermal regulation of an enclosure
		The invention is accordingly directed to an improvement in the device for thermal regulation of an enclosure as described in European patent 4,233, which consists in connecting the negative feedback loop of the output amplifier of the temperature-measuring circuit between the emitter resistor of the control transistor and the input of said amplifier.
		In this case, the regulating system is no longer dependent on the electrical parameters of the control transistor and the current gain is related solely to the values of the emitter resistor, of the negative feedback resistor and of the measuring bridge resistors.
		In the case of these regulating devices, when the feedback loop of the output amplifier consists of a resistor, it is necessary to compensate for the voltage drop at the terminals of this resistor.
	www.freepatentsonline.com /5053605.html (3674 words)

	美国专利申请公开说明书 20030056432 - Artificial surface with integrated thermal regulation for sports and ... (Site not responding. Last check: 2007-10-15)
		Thermal regulating means are attached to the backing sheet in the spaces between the rows of the ribbons.
		A relatively thick infill layer is disposed on the top of the backing sheet, thereby burying the thermal regulating means and holding the ribbons upright.
		The thermal regulating system of the invention is energy-efficient and economical to install and operate.
	cxp.paterra.com /uspregrant20030056432cn.html (161 words)

	Thermal Design (Site not responding. Last check: 2007-10-15)
		Detailed thermal modelling of spacecraft is an extremely complex undertaking as it involved describing the spacecraft as an array of elements that exchange heat by mutual radiation and conduction.
		Thermal modelling of the basic design concept for the probe indicated that it would probably be possible to maintain a reasonable level of average temperature control using only passive measures.
		A slightly more detailed thermal model of the final design study configuration confirmed that average internal temperatures could be maintained with the range 267 K - 315 K over the environment in which the probe would be required to operate.
	www.cix.co.uk /~sjbradshaw/msc/thermal.html (1800 words)

	Thermal Regulation (Site not responding. Last check: 2007-10-15)
		Thermal regulation, especially cooling, is important to prevent the astronaut from overheating.
		The thermal system of the EMU can be simplified in terms of a heat exchanger model with three components: sublimator, LCVG, and water pump.
		Future thermal regulation systems will still have a liquid cooling garment type component, but heat removal may not be accomplished by sublimation.
	paperairplane.mit.edu /16.423J/Space/SBE/projects/LSSWEBSITE/Pages/thermalreg.htm (343 words)

	Thermal Physiology (Site not responding. Last check: 2007-10-15)
		The process of regulation of body temperature has been of great interest to Dr. Refinetti since his early days as an undergraduate student.
		The lab investigates behavioral and autonomic temperature regula- tion in animals and the psychophysics of thermal sensation in humans.
		REGULATION of body core temperature in vertebrates relies strongly on a region of the brain comprised of the preoptic area and anterior hypothalamus (POAH).
	www.circadian.org /thermal.html (452 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		Thermal Regulation in the Human Organism Ecology is the branch of biology that deals with the relations between living organisms and their environments.
		Regulating organisms are generally capable of living in more widely divergent environments (ecosystems) than organisms that conform to their environments.
		In the case of temperature regulation, it acts as a thermal sensor, an integrator of information from other locations in the body, and as a controller of various effector mechanisms, which are always ready to either increase or decrease the body’s ability to conserve or dissipate heat.
	www.fiu.edu /~clearym/Sports_Medicine/Thermoregulation_and_Acclimatization.doc (10690 words)

	- Roswell Park Cancer Institute
		Thermal stress was shown to enhance lymphocyte homing in vivo by controlling the ability of these gatekeeper adhesion molecules to initiate contact with endothelial receptors under hemodynamic shear.
		Thermal stimulation of L-selectin adhesion was shown in vitro and in vivo to involve an IL-6 trans-signaling mechanism whereby engagement of the gp130 signal transducing chain is initiated by IL-6 and a soluble form of the IL-6 receptor (sIL-6R).
		Studies are in progress to further investigate the molecular basis of thermal regulation of lymphocyte-endothelial adhesion and trafficking.
	www.roswellpark.org /Site/Research/Research_Staff/Evans_SharonS_PhD (2281 words)

	Thermal Angel TA-200 Product Information
		Because the Thermal Angel is Battery powered, it allows for a continuum of care with no interruption of the infusion of warm blood or intravenous fluids.
		The Thermal Angel can be used at first contact with the patient, whether at a trauma scene, in transport to a healthcare facility, or inside a hospital, clinic or surgery center.
		The Thermal Angel was designed to require a minimal capital expenditure with no commitments in order to encourage warming for all patients, not just a select few cases.
	www.thermalangel.com /html/products-thermalangel.html (491 words)

	Paper: Skadron, Abdelzaher, Stan, "Control-Theoretic Techniques and Thermal-RC Modeling for Accurate and Localized ...
		Dynamic thermal management (DTM) is used as a test vehicle, and variations of a PID controller (Proportional-Integral-Differential) are developed and tested for adaptive control of fetch "toggling." To accurately test the DTM mechanism being proposed, this paper also develops a thermal model based on lumped thermal resistances and thermal capacitances.
		This model is computationally efficient and tracks temperature at the granularity of individual functional blocks within the processor.
		Experiments using Wattch and the SPEC2000 benchmarks show that the thermal trigger threshold can be set within 0.2 degrees of the maximum temperature and yet never enter thermal emergency.
	www.cs.virginia.edu /~skadron/Papers/thermal_ct_hpca02.abstract.html (206 words)

	[No title]
		The purpose of the program shall be to assess the environmental effects of individual ocean thermal energy facilities and plantships, and to assess the magnitude of any cumulative environmental effects of large numbers of ocean thermal energy facilities and plantships.
		Such regulations shall also provide for the Administrator to mediate or arbitrate any disputes among licensees regarding the extent to which the thermal plume of one licensee's facility or plantship impinges on the operation of another licensee's facility or plantship.
		Such standards and regulations shall include, but not be limited to, requirements for the use of the safest and best available technology for submarine electric transmission cable shielding, and for the use of automatic switches to shut off electric current in the event of a break in such a cable.
	uscode.house.gov /download/pls/42C99.txt (6537 words)

	Thermal Regulation (Site not responding. Last check: 2007-10-15)
		The Earth's atmosphere is critical in regulating what forms of this radiation actually reach the surface and what happens to after after reaching the Earth.
		Thus, without an atmosphere to regulate temperatures, daytime temperatures are 800 degrees F; however, temperatures at night reach -280 degrees F. Venus, on the other hand is the hottest planet in the solar system.
		The Earth's atmosphere clearly regulates temperatures so that during the day the surface of the Earth is not exposed to extremely short wavelengths.
	www.cat.cc.md.us /courses/eas101/unit4/balance.html (493 words)

	Thermal regulation and comfort during a mild-cold exposure in young Japanese women complaining of unusual coldness -- ... (Site not responding. Last check: 2007-10-15)
		The rating score of thermal comfort for the body was greater in the C group than in the N group at 50-160 min in the cold
		Scores of thermal comfort of cold for body (A) and extremities (B) during the cold and control sessions in the C and N groups.
		The rating score of thermal comfort for the body was greater in the C group than in the N group in the cold session (Fig.
	jap.physiology.org /cgi/content/full/92/3/1029 (4074 words)

	DRUSCH magnetic field regulation system
		The temperature regulation is obtained with thermal liquid equipment available on the market.
		The interface with the liquid of the temperature regulation consists of copper tubes of 6mm and a pt100 temperature probe.
		The absolute regulation is better than +/- 10 mG PP with a resolution of 1 milliGauss and a relative accuracy of 1 milliGauss.
	www.drusch.com /products/psmfr.shtml.en (506 words)

	AAVID THERMAL TECHNOLOGIES INC Annual Report (Regulation S-K, item 405) (10-K405) ITEM 1. BUSINESS
		Thermal Management Solutions involve the provision of thermal management solutions for problems associated with the dissipation of unwanted heat in electronic and electrical components and systems.
		Aavid's attachment devices are designed to promote a highly efficient thermal transfer between the component and the thermal management products, as well as to reduce the cost of the customer's installation and to provide for ease of repair.
		Aavid believes that Fluent is a leader in CFD software technology for thermal management due to its Icepak software tools, comprehensive set of algorithms, state of the art mesh generation methodology and interactive post processing that allows extensive visualization and analysis of results.
	sec.edgar-online.com /1997/03/31/00/0000950135-97-001554/Section2.asp (6196 words)

	Details and datasheet on part: AMS1086CT (Site not responding. Last check: 2007-10-15)
		Junction-to-case thermal resistance is specified from the IC junction to the bottom of the case directly below the die.
		A thermally conductive spacer can be used, if the case of the device must be electrically isolated, but its added contribution to thermal resistance has to be considered.
		The best load regulation is obtained when the top of the resistor divider R1 is connected directly to the case not to the load.
	www.digchip.com /datasheets/parts/datasheet/015/AMS1086CT.php (1819 words)

	PHYSIOLOGY AND PATHOPHYSIOLOGY OF TEMPERATURE REGULATION
		It presents the bases of the modern concepts in thermal physiology and pathophysiology, bringing together the disciplines encompassed by this highly integrative field — physiology, anatomy, biophysics, molecular and cellular biology, pharmacology, neuroscience, pathology, medicine, and others — into a clear and concise form that can be read comfortably in a relatively short time.
		This text was conceived by the Commission on Thermal Physiology of the International Union of Physiological Sciences in response to its concern over the inadequate and outdated coverage of this topic in traditional textbooks.
		The membership of this Commission comprises international experts in each of the subfields of thermal physiology, with extensive research and teaching experience in their respective specialties.
	www.worldscibooks.com /medsci/3507.html (397 words)

	Encyclopedia: Thermal regulation (Site not responding. Last check: 2007-10-15)
		And in such animals as the dog, who do not perspire easily by the skin, respiration becomes far more important.
		behavorial regulation: This is when an organism changes its behavior to changes it body temperature.
		However, since a lizard is an ectoderm, she is not able to control the body temperature through metabolic regulation.
	www.nationmaster.com /encyclopedia/Thermal-regulation (3026 words)

	ASM \| ITSC Thermal Spray Technology
		Thermal spray technology and coatings are receiving increased attention as "solutions" to surface engineering problems involving wear, high temperature and aqueous corrosion, and thermal regulation and degradation.
		Thermal spray is also increasingly being used to manufacture net-shapes, advanced sensors, and materials for the bio-medical and energy/environmental marketing sectors.
		Graduate students and other professionals who are entering the thermal spray field or who want to update their knowledge will also benefit greatly from this course.
	www.asminternational.org /MSTemplate.cfm?Section=ITSC_20041&Site=Thermal_Spray_Society&Template=ConferenceDescription.cfm&ConferenceID=543 (661 words)

	Enable a robust system design using a linear charger
		As a general rule all integrated charger ICs must have an internal thermal shutdown that is triggered once the IC internal junction temperature exceeds a maximum junction temperature value in order to ensure that no thermal damage occurs during operation.
		The thermal constants can be in the order of seconds, depending on the PCB layout, and this mode of operation can generate a "flashing" pattern on the charge status LEDs.
		The thermal regulation function in conjunction with the DTC circuit provides a robust thermal management and fault protection scheme to protect the charger stage and system from thermal faults caused by transient or other overvoltage conditions.
	www.embedded.com /shared/printableArticle.jhtml?articleID=191901594 (1454 words)

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