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Topic: Sensible heat

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Evaporative cooler

Air conditioning

Cooling tower

Aspen

	Global Climate Animations
		The surface energy balance is the resultant of radiative components such as incoming and outgoing short-wave and long-wave radiation, and also non-radiative components such as sensible heating, latent heating, and the change in energy storage in water or substrate on land.
		Sensible heat flux = direct heating, a function of surface and air temperature.
		Positive values for sensible and latent heat flux represent energy moving towards the atmosphere, negative values represent energy moving away from the atmosphere.
	geography.uoregon.edu /envchange/clim_animations (651 words)

	Heat Fluxes & the Energy Balance (Site not responding. Last check: 2007-10-25)
		Thus, a positive sensible heat flux indicates the dominant flow of energy between the air and the surface is away from the surface and towards the air.
		If sensible heat flux is negative, the dominant direction of energy flow is from the air to the surface; this means that the air is loosing energy and the surface of the earth is gaining energy.
		If sensible heat flux is positive, the dominant direction of energy flow is from the earth's surface to the air; this means the air is gaining energy and the surface of the earth is loosing energy.
	www.uwsp.edu /geo/faculty/lemke/geog101/miscellaneous/heat_fluxes.html (1732 words)

	Sensible heat - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-25)
		Sensible heat is heat energy that is transported by a body that has a temperature higher than its surroundings via conduction, convection, or both.
		In the atmosphere, large-scale transport of heat from the tropics to the poles is affected by both
		sensible and latent heat, the first of which is the poleward motion of warm air and equatorward motion of cold air, primarily driven by the cyclonic mixing taking place in the Ferrel cell in the midlatitudes, the latter of which is associated with the phase changes of atmospheric water vapor, mostly vaporization and condensation.
	en.wikipedia.org /wiki/Sensible_heat (165 words)

	Sensible Heat and Latent Heat (Site not responding. Last check: 2007-10-25)
		SENSIBLE HEAT is the heat absorbed or given off by a substance that is NOT in the process of changing its physical state.
		Sensible heat can be sensed, or measured, with a thermometer, and the addition or removal of sensible heat will always cause a change in the temperature of the substance.
		In other words, sensible heat is the heat that affects the temperature of things; latent heat is the heat that affects the physical state of things.
	www.tpub.com /engine3/en33-96.htm (872 words)

	Arrangement for recovering the sensible heat of dumpable hot stock - Patent 4615677
		The coolant, preferably water, which initially is heated while flowing through the cooling zone 10 of the lower run 8, subsequently flows through the cooling zone 9 of the carrier run 7 and is guided in a thermodynamic circulation.
		The storage plates 18 heated by the hot stock, are thus cooled by sliding contact with the cooling plates 12, which preferably are made of cast iron.
		Heating of the storage plates depends on the ratio of the thickness of the storage plates to the thickness of the material layer applied thereon.
	www.freepatentsonline.com /4615677.html (3004 words)

	Air Psychrometrics
		The enthalpy of moist and humid air consist of sensible heat and latent heat.
		Latent heat is the heat that when supplied to, or removed from air, there is a change in the moisture content of the air, but the temperature of the air is not changed
		Sensible heat is dry heat causing change in temperature but not in the moisture content
	www.engineeringtoolbox.com /air-psychrometrics-properties-t_8.html (1265 words)

	Physical State/Latent Heat
		Latent heat is absorbed upon evaporation, and released upon condensation to liquid (as in clouds).
		If the water is at a temperature of 100 degrees C (that is, the boiling point, or 212 degrees F) it takes an additional 540 calories of heat to convert one gram of water from the liquid state to the vapor state.
		If the water is liquid at a temperature of 0 degrees C, the latent heat of vaporization is 597 cal/g, compared to 540 cal/g at 100 degrees C. In between, at 50 degrees C, an input of 569 cal/g would be required for evaporation.
	daphne.palomar.edu /jthorngren/latent.htm (951 words)

	411B: M3, U3, P6: Latent and Sensible Heat
		Latent heat is not really heat you can feel, but energy required to break the molecular bonds that keep molecules in a single phase.
		Latent heat is absorbed from the surroundings to melt ice and evaporate water.
		Sensible heat is a flow of heat which does cause a change in temperature, and thus can be sensed by humans.
	www.shodor.org /os411/courses/411b/module03/unit03/page06.html (274 words)

	Sensible Heat Flux Estimates (Site not responding. Last check: 2007-10-25)
		There are several quantities output by Cupid which describe the sensible heat flux from the plant-soil-atmosphere system.
		Sensible heat flux is always positive when heat is being tranported upwards (as opposed to soil heat conduction, where heat flux down into the soil is positive).
		This is the sensible heat flux from the soil into the canopy.
	www.soils.wisc.edu /~norman/cupid/sensible.html (171 words)

	[No title]
		The large heat fluxes necessary to generate and maintain a hurricane are not sufficiently described by simple bulk transfer of sensible and latent heat at the ocean-atmosphere interface.
		The large heat fluxes that seem necessary to sustain hurricanes and other strong cyclonic storms are not accounted for by simple interfacial fluxes of sensible and latent heat.
		To determine the amount of latent heat transported by bubbles across the air-sea interface, Andreas and Monahan adopt terms from Pruppacher and Klett (1978) and Andreas (1989) describing the vapor pressure at the interior surface of a bubble submerged in seawater.
	lasp.colorado.edu /~madry/thermopaper/thermopaper.html (3207 words)

	Syvum Physics Theory : Sensible Heat & Heat Capacity
		or hidden heat is the heat gained or lost by a body during a change of state when it does not result in any change in temperature.
		of a substance is defined as the amount of heat required to raise the temperature of a unit mass of it by 1
		The very high value for the specific heat capacity of water is responsible for land breezes, sea breezes and the weather.
	www.syvum.com /cgi/online/serve.cgi/squizzes/physics/heat_capacity.html (244 words)

	sensible heat
		The air warms under a positive sensible heat flux.
		Sensible heat (H) is the heat used to change the temperature of the air.
		Sensible heat is conducted and convected between the surface and the air aloft.
	www.uwsp.edu /geo/faculty/ritter/glossary/s_u/sensible_heat.html (47 words)

	HEAT - The Wiggle Wiggle Dance, - The Atomic Dance That Keeps Us Warm
		In the ordinary sense, heat is the measure of vibration between atoms in a molecule.
		LATENT HEAT: The additional heat required to change the state of a substance from solid to liquid at its melting point, or from liquid to gas at its boiling point, after the temperature of the substance has reached either of these points.
		It is possible to "Pump Heat" from one place to another, even if the destination is at a higher energy level than the source.
	www.hbci.com /~wenonah/new/heat.htm (1077 words)

	HiddenWires - Sensible Heat announces update of Integration products, and Integration partners
		Sensible Heat are delighted to announce an update of 2 products released earlier in the year which integrate with the Hometronic wireless automation system, the Web Interface and Data Interface.
		Sensible Heat is working with a number of manufacturers to develop standard software "drivers" which will make it easy for Systems Integrators to seamlessly join the products together.
		Sensible Heat are Sole UK and Ireland distributors for the Hometronic system; our Head Office is in Sussex, but we work nationwide; with a Sales & Support offices in the Midlands and Scotland, a partner company in the Channel Isles, and technical personnel distributed across the country, we offer services to the UK and Ireland.
	www.hiddenwires.co.uk /resourcesnews2006/news20060616-02.html (816 words)

	Air Conditioning - Latent Heat Removal
		The amount of heat energy in BTU's that must be removed to change the state of one pound of a vapor to one pound of liquid at the same temperature.
		As compared to the amount of air infiltration and increased rate of sensible heat load during an hour, —four (4) conditioned space air changes per hour compared to six or 8 changes per hour also makes a big difference in the amount of latent and sensible cooling a system will produce.
		Considering the restriction between the large oil burner heat exchanger and the bottom of the evaporator coil and supplies and returns at floor levels, —a study of the blower graph indicates these figures may be relevant.
	www.udarrell.com /air-conditioning-latent-heat.html (3561 words)

	Heat Flux (Site not responding. Last check: 2007-10-25)
		Surface sensible heat flux (Qh) is strongly conditioned by surface temperature.
		One part of my research is looking at how well urban surface heat flux can be modelled and how remotely-observed surface temperature can best be used in estimating Qh.
		Modelling of the sensible heat flux incorporates the source area concept (see Schmid, 1994) which estimates the area most likely contributing to the heat flux measurement.
	publish.uwo.ca /~javoogt/heatflux.htm (205 words)

	Dry Ice Sensible Heat Secrets And Facts (Site not responding. Last check: 2007-10-25)
		Sensible heat is heat sensible and latent heat.
		The sensible brewers and distillers in the food sector egg.
		I would guess that the majority of the latent and sensible heat from the dry ice went towards cooling the outer surface of the freezer.
	www.dryiceuses.info /dry-ice-sensible-heat.html (777 words)

	Experimental Analysis of Latent and Sensible Heat Contributions During Pool Boiling from Wires Immersed in Saturated ... (Site not responding. Last check: 2007-10-25)
		The volumetric flow rate data are used to calculate the latent heat and, indirectly, sensible heat transfer mechanisms which comprise the nucleate boiling heat flux.
		The measurement technique is applied to platinum wires of varying diameter (390-, 75-, and 25-µm) immersed in saturated FC-72 to determine the effect of wire size on the relative contributions of the heat transfer mechanisms.
		The present data are compared with data taken for a 390-µm-diameter platinum wire immersed in saturated water with varying concentrations (0, 500, and 1000 ppm) of an anionic surfactant.
	www-heat.uta.edu /publications/1996c2.html (177 words)

	Relationship between sensible heat and latent heat. (Site not responding. Last check: 2007-10-25)
		Page Title: Relationship between sensible heat and latent heat.
		Figure 2-9.—Relationship between sensible heat and latent heat.
		sensible heat and latent heat for water at
	www.tpub.com /content/fc/14104/css/14104_47.htm (233 words)

	HVAC/R engineering - Sensible Heat Gain Caculation (Site not responding. Last check: 2007-10-25)
		Also can I conclude that for the fumehood there will be no heat gain for heat gain is equal to heat loss due to its outdoor supply and exhaust unit that is electrically interlocked mounted on the roof.
		Hood heat gain in most applications is negligible as compared to other typical equipment in labs (freezers, refrigerators, centrifuges, lights, etc.).
		I also had another issue, the same lab, the fume hood fresh make-up air is being supplied, what is the requirement for the air make-up, does it need to be an air conditioned unit (exhaust fan is electrically interlocked fresh make-up).
	www.eng-tips.com /viewthread.cfm?qid=37358 (488 words)

	Re: sensible heat flux
		I think attaching a known heat source must be better then fixing the temp.
		Maybe the person should be solid water as we are mostly made out of it.
		sensible heat flux - tj, Thu, 24 Mar 2005, 4:07 a.m.
	www.cfd-online.com /Forum/phoenics_archive.cgi?read=2470 (184 words)

	Home Automation Systems from Sensible Heat
		Did you know that 66% of the energy we use in a typical UK home is used for space heating, and a further 16% is used for heating hot water ?
		That’s why Sensible Heat offers goods and services to address some of these problems.
		We can design, supply and commission Home Automation systems which can control not only your Heating and Hot Water systems, but also your lighting, blinds, awnings, security and other systems within your home.
	www.sensibleheat.com (310 words)

	Sensible Heat - Home Automation Systems - other systems and devices
		Home Cinema, Multi-room audio, video distribution are all things that you may be considering for your home – or perhaps you already have them.
		There may be an opportunity to integrate the Hometronic system with the Lighting system so that you can, for instance, control your heating from some extra buttons on the lighting keypads.
		No problem; using the Data Interface developed by Sensible Heat, it is easy for your supplier to integrate the systems controlled by the Hometronic system with other systems so they can all be viewed and adjusted from the touchscreens.
	www.sensibleheat.com /other-devices.html (397 words)

	sensible heat flux
		afford heat flux (60 watts/person) and obstruction to
		fixed temp instead of a fixed heat flux.
		Re: sensible heat flux - mick, Thu, 14 Apr 2005, 8:17 p.m.
	www.cfd-online.com /Forum/phoenics_archive.cgi?read=2402 (133 words)

	Sensible Heat - Home Automation Systems Links
		Sensible Heat's associate company for sales in the Channel Isles
		HiddenWires - your guide to home automation and home entertainment
		Services include a visitor centre open 7 days a week, practical and informative publications, a mailorder service of 'green' books and products, educational services for schools, consultancy for individuals and businesses, residential courses, membership and a free information service.
	www.sensibleheat.com /links.html (123 words)

	Amazon.com: Heat Antigua Women's NBA Sensible Polo: Apparel (Site not responding. Last check: 2007-10-25)
		Amazon.com: Heat Antigua Women's NBA Sensible Polo: Apparel
		Ships from and sold by NBA and WNBA Store.
		The Antigua Women's Sensible Polo is a 100% cotton 1x1 baby rib 3/4 length sleeve shirt with an open placket, self-fabric collar and cuff and twill tape on side slits.
	www.amazon.com /Heat-Antigua-Womens-Sensible-Polo/dp/B000BW1O8Y (386 words)

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