Sentences with phrase «thermal spacing heating»

You wonder whether rising energy prices will make an expensive investment in a solar thermal spacing heating system cost - effective.

The easiest way to retrofit an active solar thermal space heating system in such a house would probably be to install a hydronic coil in your air handler.

Not exact matches

Along with Mars 2020, STMD is hard at work, advancing promising technology for potential infusion into these Mars missions including: Heat - shield for Extreme Entry Environment, a tailorable, woven thermal protection system that would reduce entry loads and greatly reduce heat - shield mass; Deep Space Optical Communications, which will improve the data - return capacity from space to Earth by more than 10 times the current state - of - the - art; and the Deep Space Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks like Heat - shield for Extreme Entry Environment, a tailorable, woven thermal protection system that would reduce entry loads and greatly reduce heat - shield mass; Deep Space Optical Communications, which will improve the data - return capacity from space to Earth by more than 10 times the current state - of - the - art; and the Deep Space Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks like heat - shield mass; Deep Space Optical Communications, which will improve the data - return capacity from space to Earth by more than 10 times the current state - of - the - art; and the Deep Space Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks likeSpace Optical Communications, which will improve the data - return capacity from space to Earth by more than 10 times the current state - of - the - art; and the Deep Space Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks likespace to Earth by more than 10 times the current state - of - the - art; and the Deep Space Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks likeSpace Atomic Clock project which will revolutionize deep space travel by improving the precision of space navigation and enabling more efficient use of tracking networks likespace travel by improving the precision of space navigation and enabling more efficient use of tracking networks likespace navigation and enabling more efficient use of tracking networks like GPS.

The gases of most interest — GHGs — strongly emit / absorb some of the thermal infrared wavelengths that transfer heat from the earth to space.

Human civilization has depended on our ability to «gather» solar energy through photosynthesis for millennia — this is called «agriculture» — and today's solar thermal and photovoltaic technologies make it VERY easy to gather solar energy for electricity, water and space heating, etc..

This is odd because solar — including photovoltaics, concentrating solar thermal, and solar space & water heating — is a mature, commercialized technology that is already being installed in quantity today, both as centralized utility - scale electricity generation and as distributed, small - to - mid-scale electricity and heat generation.

The oceans tend toward a thermal constant and big El Ninos or Arctic thaws will regulate the backlog by shoving the heat back out into space.

They include the energy we receive from the sun as well as the solar energy we reflect back to space and the thermal energy we emit to space to shed the solar heat that we absorb.

The building has a closed loop geoexchange system with 280 boreholes 400 feet deep; this cools or heats water which is piped through the thermal mass of the concrete floors, heating or cooling the space.

Atmospheric convection is the «only» significant transport of both sensible and latent «heat», to the higher altitudes for more effective dispatch of thermal electromagnetic flux to space.

If you reduce the rate of heat flux from the the planet to space by increasing the density of greenhouse gases and thus altering the thermal gradient, less heat will flow from the heat sink (ocean) to space.

Solar Thermal Sensor and Control elements link to a central controller that directs the energy from the solar array to the LDW regenerator, domestic hot water supply, or supplemental space heating based on house temperature and humidity levels.

Green roofs reduce stormwater runoff, filter out water and air pollutants, moderate the urban heat - island effect, add green space to the built environment, shade and insulate rooftops to improve buildings» thermal performance (thereby reducing energy use and costs), and extend the service life of structural roof systems.

Location: Cameron Close, Freshwater, Isle of Wight Completion date: August 2015 Budget: Total scheme costs circa # 4.9 m Passive house certification: Part certified with remainder pending Space heating demand (PHPP): 14.4 kWh / m2 / yr Heat load (PHPP): 9 W / m2 Primary energy demand (PHPP): 98 kWh / m2 / yr Environmental assessment method: Code for Sustainable Homes level 3 Airtightness (at 50 Pascals): 0.48 ACH Energy performance certificate (EPC): B 84 - 88 Thermal bridging: Details developed to minimise thermal bridging, concentrating on critical junctions and window installThermal bridging: Details developed to minimise thermal bridging, concentrating on critical junctions and window installthermal bridging, concentrating on critical junctions and window installations.

Bated, Yes, the net result of a warmer troposphere OVER THE LONG RUN is that more heat stays in the ocean, as the thermal gradient between ocean and space is altered.

R GATES: The Longer - term rate of ocean heat storage is modulated by the total amount of greenhouse gases in the atmosphere which ultimately alter the net overall thermal gradient between ocean heat and space.

The Longer - term rate of ocean heat storage is modulated by the total amount of greenhouse gases in the atmosphere which ultimately alter the net overall thermal gradient between ocean heat and space.

A thermal model of the building was created early in the project, allowing the design to be tested and modified to make sure it would meet the desired passive house target space heating demand of 15kWh / m2 per annum.

For instance they make different assumptions about thermal comfort levels, and this profoundly effects the assumptions about space heating demand.

Evacuated tube solar thermal provides all domestic hot water, space and pool heating.

For maximum space heating of the attached house, the greenhouse space should have little thermal mass in order to provide a maximum of heat to the house during the sunny period.

The building incorporates passive design features that create an improved thermal envelope that will maintain a comfortable living environment with minimal space heating or cooling.

Figure 9: Bottom Side Approach — Columns are still thermal bridges that can be a real problem in very cold climates like climate zone 8 and climate zone 9 — in which case small heaters are added to this space or the columns wrapped with «heat tape.»

I initially pointed out that satellite makers do thermal testing of the satellites in a vacuum chamber whose walls are cooled by liquid nitrogen to simulate the heat - transfer conditions of space: no conductive / convective transfer, and virtually no ambient thermal radiation.

These include reducing the volume and velocity of stormwater runoff, improving stormwater quality, moderating the urban heat island effect, adding urban green space, and improving buildings» thermal performance and energy efficiency.

The crawl space is a sealed plenum that will be used to distribute the air heated by the Low Thermal Mass Sunspace to all of the rooms of the house.

«Temperature» is not «Heat»: a cubic metre of space near Earth's orbit has a «temperature» (as defined by the particle speeds) of some millions of degrees, but an astronaut would freeze to death without a proper thermal stabilisation system (vide the Apollo 13 movie!)

Anybody who knows anything about thermal properties will understand that frozen water (i.e., ice and snow) takes up a LOT more space than liquid water, because water is one of the few compounds that expands when it freezes and contracts when its heated.

The annular space between the inner and outer walls is evacuated, thus heat transferred is almost entirely due to thermal radiation.

As they heat up, the oceans, land and atmosphere release heat in the form of IR thermal radiation, which passes out of the atmosphere and into space.

Here are some highlights from the accompanying data on three types of solar energy: solar photovoltaics (PVs), concentrated solar thermal power (CSP), and solar water and space heating.

The addition of close to 1,500 gigawatts of thermal heating capacity by 2020, roughly two thirds of it from rooftop solar water and space heaters, will sharply reduce the use of both oil and gas for heating buildings and water.

This means that the building fabric must achieve required levels of thermal insulation and airtightness, among other factors, to ensure a maximum space heating and cooling energy demand isn't exceeded.

They act as a thermal blanket, trapping heat radiated by the sun before it is re-radiated from earth's surface back into space.

The houses generate energy with photovoltaic (also called solar electric) systems that produce electricity and with solar thermal systems for space heating and cooling and water heating.

The economics really do not justify solar thermal installations for space heating.

A: Yes, we work with solar thermal systems, but, like wind turbines and going off - grid, solar thermal installations for space heating are generally not a great investment.

He mentions at one point that increased CO2 from natural sources results in a temporary (not quantified) absorption of heat in the lower troposphere before thermal equilibrium is restored as the CO2 is released into space from higher and cooler parts of the atmosphere.

On average they are about 1 or 2 degrees warmer than the atmosphere, so on average they transfer heat to the atmosphere, but this happens only at the surface so heat that has migrated below 700 meters, often considered the deep ocean, is essentially out thermal communication with the atmosphere as if had been sent into space.

The calculation is based on the following criteria: • size, geometry and exposure of the dwelling • materials used for construction • thermal insulation of the different elements of the building fabric • ventilation characteristics of the dwelling and ventilation equipment • efficiency, responsiveness and control characteristics of the heating system • solar gains through glazed openings of the dwelling • thermal storage (mass) capacity of the dwelling • the fuel used to provide space and water heating, ventilation and lighting • renewable energy generation In this article we look at some of the principal factors that impact on the BER.

Thermal energy as heat and that carried in water vapor is transported through the atmosphere towards space.

This would have a local effect - raising minimum temperatures, and perhaps a global effect, the local area with wind turbines should more efficiently radiate thermal energy from the lower atmosphere into space (by advecting atmosheric heat to the ground surface at night, where it can be radiated away).

I do go on about thermal bridging, how our balconies are like radiator fins that waste a huge amount of heat, lead to cracking and mold, and generally uncomfortable spaces.

Thorsten Chlupp of REINA, LLC chose the shape of the Octagon House to optimize solar heat gain in the living space, which has extensive thermal mass.

The types of eligible solar technologies include: solar water heat systems, solar space heat, solar thermal electric, solar thermal process heat and photovoltaics (PV).

Galway Completion date: January 2014 Budget: confidential Passive house certification: n / a Space heating demand (PHPP): n / a Heat load (PHPP): n / a Primary energy demand (PHPP): n / a Airtightness (at 50 Pascals): 0.56 ACH at 50 Pa or 0.61 m3 / m2 / hr at 50 Pa Energy performance certificate (EPC): pending Carbon performance coefficient (CPC): pending BER: pending Thermal bridging: Armatherm bolt - through structural thermal breaks were used on the cantilevered steel bThermal bridging: Armatherm bolt - through structural thermal breaks were used on the cantilevered steel bthermal breaks were used on the cantilevered steel balcony.

One caution is that this testing was done on a sunspace that was highly optimized for space heating — optimally tilted double glazing, well insulated on all non-glazed surfaces, low thermal mass, tightly built, with all dark and low mass absorbing surfaces.

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