SIMULATING TALL BUILDINGS USING ENERGYPLUS
... The effect of reflection is perhaps nonintuitive because one might expect reflections to increase the incident radiation on the building and therefore increase the cooling load and cooling energy. The explanation is that the glazed portions of surrounding buildings only provide a full reflection of ...
... The effect of reflection is perhaps nonintuitive because one might expect reflections to increase the incident radiation on the building and therefore increase the cooling load and cooling energy. The explanation is that the glazed portions of surrounding buildings only provide a full reflection of ...
Understanding Heat Transfers Conduction, Convection and Radiation
... •heat up to room temperature. ...
... •heat up to room temperature. ...
Eco-technologies for energy efficient buildings in Italy
... side of the wall, like a coat, avoids heat bridges (the transmittance of linear thermal bridge must be less than 0.01 W/mK) and protects the thermal mass of the structure, allowing the regulation of indoor comfort. To complete the building shell also glazed surfaces must be extremely efficient: in c ...
... side of the wall, like a coat, avoids heat bridges (the transmittance of linear thermal bridge must be less than 0.01 W/mK) and protects the thermal mass of the structure, allowing the regulation of indoor comfort. To complete the building shell also glazed surfaces must be extremely efficient: in c ...
FSK Shield - Fi-Foil
... FSK Shield™ is an economy grade single-sided foil facing that is comprised of 0.0003" aluminum foil bonded to 30 lb. natural kraft paper with a flame retardant adhesive and is reinforced with tri-directional fiberglass scrim. FSK Shield™ is intended for use as an attic, roof, or wall radiant barrier ...
... FSK Shield™ is an economy grade single-sided foil facing that is comprised of 0.0003" aluminum foil bonded to 30 lb. natural kraft paper with a flame retardant adhesive and is reinforced with tri-directional fiberglass scrim. FSK Shield™ is intended for use as an attic, roof, or wall radiant barrier ...
Thermal Comfort Temperature Standards for Cold Regions
... operative temperature would have to be 1.5 °C lower. As there is very little thermal comfort research in India other than by a few [4], thermal comfort standards are not defined in Indian Codes. For all climate and building types, the National Building Code of India specifies the use of two narrow r ...
... operative temperature would have to be 1.5 °C lower. As there is very little thermal comfort research in India other than by a few [4], thermal comfort standards are not defined in Indian Codes. For all climate and building types, the National Building Code of India specifies the use of two narrow r ...
central air-handling units
... than all-air systems. The distribution trees are slim. Water systems provide temperature control only. Air quality is provided by windows or infiltration, or by a separate fresh air supply system. Water for the HVAC system is heated in a boiler to between 71°C and 121°C. Cold water is cooled in a ch ...
... than all-air systems. The distribution trees are slim. Water systems provide temperature control only. Air quality is provided by windows or infiltration, or by a separate fresh air supply system. Water for the HVAC system is heated in a boiler to between 71°C and 121°C. Cold water is cooled in a ch ...
Process Heat Transfer Lab - University of Engineering and Technology
... Heat transfer by simultaneous conduction and convection whether free or forced forms the basis of most industrial heat exchangers and related equipment. Using the instrumentation provided, free and forced convective heat transfer coefficients may be determined for, a flat surface, an array of cylind ...
... Heat transfer by simultaneous conduction and convection whether free or forced forms the basis of most industrial heat exchangers and related equipment. Using the instrumentation provided, free and forced convective heat transfer coefficients may be determined for, a flat surface, an array of cylind ...
2 Pieces - cloudfront.net
... If two objects have different temperatures, which direction does the heat move? ...
... If two objects have different temperatures, which direction does the heat move? ...
HEAT GAIN CALCULATIONS
... • CLF for people is a function of – (i) the time people spending in the conditioned space, and – (ii) the time elapsed since first entering. ...
... • CLF for people is a function of – (i) the time people spending in the conditioned space, and – (ii) the time elapsed since first entering. ...
Passive House Standard Video Tutorial
... glazed areas designed to optimise solar gains, as well as healthy buildings in which to live and work due to fresh air supply through the ventilation system. The Passive House standard is a construction standard developed by the Passive House Institute (PHI) in Germany (http://www.passiv.de) followi ...
... glazed areas designed to optimise solar gains, as well as healthy buildings in which to live and work due to fresh air supply through the ventilation system. The Passive House standard is a construction standard developed by the Passive House Institute (PHI) in Germany (http://www.passiv.de) followi ...
Phy213_2 - Personal.psu.edu
... 0th Law of Thermodynamics If body A and B are each in thermal equilibrium with a third body T, then they are in thermal equilibrium with each other. Thermal equilibrium: two objects in thermal contact cease to have any exchange of heat. Thermal contact : Heat can be exchanged. Heat: energy exchange ...
... 0th Law of Thermodynamics If body A and B are each in thermal equilibrium with a third body T, then they are in thermal equilibrium with each other. Thermal equilibrium: two objects in thermal contact cease to have any exchange of heat. Thermal contact : Heat can be exchanged. Heat: energy exchange ...
Electrical Equivalent of Heat
... 5. Read both the voltmeter and the ammeter at intervals of one or two minutes keeping the water stirred so that the heat from the coil will not localize at any point. 6. Let the current flow until the temperature is the same number of degrees above the temperature of the room that it started below. ...
... 5. Read both the voltmeter and the ammeter at intervals of one or two minutes keeping the water stirred so that the heat from the coil will not localize at any point. 6. Let the current flow until the temperature is the same number of degrees above the temperature of the room that it started below. ...
Flat Plate Boundary Layer
... mounted in a parallel arrangement. The fins conduct the heat from the tubes and transfer it to the air flowing through the radiator. The tubes sometimes have a type of fin inserted into them called a turbulator, which increases the turbulence of the fluid flowing through the tubes. If the fluid flow ...
... mounted in a parallel arrangement. The fins conduct the heat from the tubes and transfer it to the air flowing through the radiator. The tubes sometimes have a type of fin inserted into them called a turbulator, which increases the turbulence of the fluid flowing through the tubes. If the fluid flow ...
Heat and Thermal Energy Word Problems
... 13. A 500 g block of metal absorbs 5016 J of heat when its temperature changes from 20.0oC to 30.0oC. Calculate the specific heat of the metal. 14. A copper wire has a mass of 165 g. An electric current runs through the wire for a short time and its temperature rises from 21oC to 39oC. What minimum ...
... 13. A 500 g block of metal absorbs 5016 J of heat when its temperature changes from 20.0oC to 30.0oC. Calculate the specific heat of the metal. 14. A copper wire has a mass of 165 g. An electric current runs through the wire for a short time and its temperature rises from 21oC to 39oC. What minimum ...
Cases – Chapter 7 1. Baking a potato takes a long time, even in a
... b. Convection dictates where the water pipes attach to the container. Where should hot water be extracted from the container, and where should cold water be introduced into the container to replace that hot water? c. Why does the water heater’s bottom heating element operate more often and age more ...
... b. Convection dictates where the water pipes attach to the container. Where should hot water be extracted from the container, and where should cold water be introduced into the container to replace that hot water? c. Why does the water heater’s bottom heating element operate more often and age more ...
Notes - hrsbstaff.ednet.ns.ca
... A sample of mercury (c = 0.14 J/goC) is heated from 25.5oC to 52.5oC. In the process 3050J of heat are absorbed. What mass of mercury was contained in the sample? ...
... A sample of mercury (c = 0.14 J/goC) is heated from 25.5oC to 52.5oC. In the process 3050J of heat are absorbed. What mass of mercury was contained in the sample? ...
1-14 The filament of a 150 W incandescent lamp is 5 cm long and
... 1-14 The filament of a 150 W incandescent lamp is 5 cm long and has a diameter of 0.5 mm. The heat flux on the surface of the filament, the heat flux on the surface of the glass bulb, and the annual electricity cost of the bulb are to be determined. Assumptions Heat transfer from the surface of the ...
... 1-14 The filament of a 150 W incandescent lamp is 5 cm long and has a diameter of 0.5 mm. The heat flux on the surface of the filament, the heat flux on the surface of the glass bulb, and the annual electricity cost of the bulb are to be determined. Assumptions Heat transfer from the surface of the ...
P.EN.06.41 Fall 08
... and my skin feels comfortable, but when I touch the monkey bar, it feels cold?” Students will be asked to suppose their mom is baking a chocolate cake in the oven and they open the oven door to check if it’s done. “What happens to the heat in the over? Does it hit you in the face?” They will be told ...
... and my skin feels comfortable, but when I touch the monkey bar, it feels cold?” Students will be asked to suppose their mom is baking a chocolate cake in the oven and they open the oven door to check if it’s done. “What happens to the heat in the over? Does it hit you in the face?” They will be told ...
Page 1 of 2 Gerbing`s Heated Clothing // How it Works 02/11/2009
... In the R&D process, we found that by altering the number of these strands in each wire, we were able to custom-tune the amount of heat. Additionally, by using these wires either in a heating pad, in a woven pattern or in our patented ribbon matrix, we could further tune how the heat is delivered. Mo ...
... In the R&D process, we found that by altering the number of these strands in each wire, we were able to custom-tune the amount of heat. Additionally, by using these wires either in a heating pad, in a woven pattern or in our patented ribbon matrix, we could further tune how the heat is delivered. Mo ...
Influence of supercritical ORC parameters on plate heat
... Aim paper: investigate influence of ORC parameters on the HX design basic HX design parameters in SC fluid parameters and convective coefficients + calculating HX surface for various fluid parameters. Working fluid: R134a, R227ea and R245fa Investigation HTC U o Influence of Tmax and pmax on ...
... Aim paper: investigate influence of ORC parameters on the HX design basic HX design parameters in SC fluid parameters and convective coefficients + calculating HX surface for various fluid parameters. Working fluid: R134a, R227ea and R245fa Investigation HTC U o Influence of Tmax and pmax on ...
Implimenting a Simple Heat Exchanger Unit with
... any temperature difference between the hot side and the air adds to the overall temperature difference, which reduces the efficiency of the system. It is thus advantageous to use the maximum cooling potential available since this translates directly to a more efficient system, where ...
... any temperature difference between the hot side and the air adds to the overall temperature difference, which reduces the efficiency of the system. It is thus advantageous to use the maximum cooling potential available since this translates directly to a more efficient system, where ...
Chapter 19
... • Coefficient of thermal expansion: --the stress-free strain induced by heating by a unit T. --polymers have the largest values. ...
... • Coefficient of thermal expansion: --the stress-free strain induced by heating by a unit T. --polymers have the largest values. ...