Sentences with phrase «much heat per»

But I only get a third as much heat per unit of CO2 produced because of losses in electrical generation and transmission, so I produce three times as much CO2 to keep warm.

Not exact matches

I also have an electric heater that keeps a daytime temperature of 80 degrees F. and nighttime temperatures of 65 to 70 degrees F. With lighting at 20 to 30 watts per square foot, waste heat from the lights does much of the heating.
Our stores include a range of features such as treated roofs to deflect heat and keep stores cooler, insulated precast concrete exterior walls which require much less energy to make compared to bricks, and cladding made from 70 per cent softwood content sourced from renewable forests.
Your yield may vary depending on heat settings and how much you use per load.
Their model confirmed the existence of a magma plume pumping about 150 milliwatts per square meter (or about 11 square feet) of heat up to the surface, and peaking at as much as 180 milliwatts per square meter in a region where a rift in the crust may exist.
Scientists can measure how much energy greenhouse gases now add (roughly three watts per square meter), but what eludes precise definition is how much other factors — the response of clouds to warming, the cooling role of aerosols, the heat and gas absorbed by oceans, human transformation of the landscape, even the natural variability of solar strength — diminish or strengthen that effect.
Previous studies have shown that as much as 20 watts of power per foot is lost as heat with each stride.
Although the concentration of carbon dioxide in the atmosphere is much higher, at around 385 parts per million, methane is a worry as it is much better than carbon dioxide at locking in heat from solar radiation.
All scraped - surface heat exchangers bump into a physical limit: As the goo gets more viscous, and you continue to dash it at 200 rotations per minute (don't try that speed at home), you reach a point at which friction is adding as much heat as the wall of the freezer is removing.
In effect, O3 delivers global warming via two routes: the 0.35 watt - per - meter - squared (w / m2) extra heat it traps directly and the as much as 15 percent less vegetation that grows worldwide as a result of O3 damage.
According to WHO, deaths from heat exposure will be especially pronounced over the coming decades, from 92,000 to as much as 250,000 deaths worldwide per year by midcentury, with the greatest rates of death occurring in the world's poorest regions.
An advantage of laser heating is that ideas involving lasers can be tested on multiple facilities across the country, allowing a much larger number of tests per year than is possible on the unique Z facility.
The Hyundai Tucson comes with great available features like 26 combined miles per gallon, an overhead storage console, remote keyless entry, heated side mirrors, 61.9 cubic feet of maximum luggage volume and much more.
Our Vehicles could have an Automatic or Manual Transmission, Heated Seats, Powered windows, Backup Camera, Remote - control entry, Premium Audio, Bluetooth, Hands Free, Leather interior, Premium Wheels, Cd system, Multi-Zone Climate Control, Anti-theft alarm, Cruise Control, Navigation, Steering Wheel Controls, Disability Equipped, Portable Audio Connection, Sunroof, Video disc player, Power Locks, Trailer Hitch, third Row Seats, second Row Bucket Seating, Multiple Air bags, No Accidents, Dual Power Seats, Heated Leather Seating, Lighted Entry, Power Moonroof, New Battery, New Tires, New Brakes, Non-Smoker Interior, 30 + MILES - PER - GALLON, 1 owner Carfax Certified, Paddle Shifters, Premium Cloth Seating, Upgraded stereo system, third Row Seating, Rear Back - Up Sensors, Rear Bucket Seats, Remote Remote - control entry, Remote Start, Service Records Available, Steering Wheel Controls, Tow Package, Traction Control, USB Ports, XM Radio Power Heated Mirrors, Heated Seats, and much more!
Too frustrating to see WW announcing another so much desired PHEV... again with a VERY DISAPPOINTING < 10KWH battery pack that will again require 2 x charges per day to make in «all electric mode» my average 65 - 100KM local commutes with heating or air condition on, plus radio, plus everything on.
Always start by asking yourself «How much do I think I can reasonably afford to pay for my mortgage, taxes, strata and heating costs per month?»
You can preheat your water by using a hybrid system to use waste heat from the panels and / or in a seperate portion of roof space — water heating panels are much less costly per unit area and in terms of energy, but they are not of much use for electrical production; hence the need for other things.
If I did my latent heat calculations right, that's 10 ^ 19 J per year just to melt that much ice.
Before people suggest just one sensor would not be able to relate to world wide temperature, as mentioned above, heat content (+20 degrees, -5 degrees: average is???) so perhaps one or one per country could be much better.
-- https://link.springer.com/article/10.1007%2FBF00140159?LI=true «Karl et al., 1988) has shown that at some «sun belt» cities in the West, the rise of temperature that can be attributed to the urban heat island is as much as 0.3 to 0.4 °C per decade.
Certified Passive House ventilation units have exceptional ECM fan energy performance of no more than 0.45 Watt - hours per cubic metre of ventilation air, so the cost of running one is $ 50 — $ 70 per heating season, with much of this energy cost recovered in the form of heat.
The Envision NDW can reduce water heating costs by as much as 60 % per year.
The 5 Series 504W11 can reduce water heating costs by as much as 60 % per year.
More than half of China's non-CO2 GHG emissions come in the form of methane, which can trap 28 times as much heat as carbon dioxide on a per metric tonne basis.
Seroussi and Ivins» simulations using a heat flow higher than 150 milliwatts per square meter showed too much melting to be compatible with the space - based data, except in one location: an area inland of the Ross Sea known for intense flows of water.
``... this robust old station, despite the urban effects, shows that there's been no statistically significant warming in Prague since 1800 (and at most 0.5 °C or so in 200 years, and I haven't subtracted any corrections for the intensification of Prague's urban heat island which may be as much as 0.6 °C per century and which would probably revert the 200 - year trend to a significant cooling!)
The Sun does emit a much broader spectrum but outside the range of 250 to 2500 nm the amount energy per square meter is insignificant and it's not possible for such small amounts of energy to be able to * heat the land and water at the equator intensely *.
The extra heat in the ocean has caused the sea level to rise 15 mm since November 2014, much faster than the rate of 3 - 3.5 mm per year over recent decades.
This has never been demonstrated, there is no evidence at all that it exists, and all the available evidence says the basic heating effect of CO2 is 1.1 C per doubling is all there is and that much warming only happens in very dry environments with increasingly less surface warming where water is available to evaporate.
The Critical Heat Flux tells how much heat is lost per square metre when the inside of the window is kept just warm enough to avoid condensatHeat Flux tells how much heat is lost per square metre when the inside of the window is kept just warm enough to avoid condensatheat is lost per square metre when the inside of the window is kept just warm enough to avoid condensation.
% create daily min, max and average values ndays = nperiod * periodsec / 86400; % number of days in the analysis if ndays > 1 % if number of days is less than 1 not much point nvaluesday = nperiod / ndays; % number of samples per day to check Tdmax = zeros (nlayers, ndays); % Tdmax is daily max value Tdmin = zeros (nlayers, ndays); % Tdmin = daily min Tdav = zeros (nlayers, ndays); % Tdav = daily mean heatstats = zeros (5, ndays); % main heat flows, 1 = solar, dlr, Eout, conv, 5 = base for i = 1: ndays for j = 1: nlayers % calculate daily max, min and average temp for each layer Tdmax (j, i) = max (Tav (j, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; Tdmin (j, i) = min (Tav (j, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; Tdav (j, i) = mean (Tav (j, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; end % calculate daily heat flows: solar, DLR, rad out, conv, heat into % depth heatstats (1, i) = sum (rads (1, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; heatstats (2, i) = sum (rads (2, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; heatstats (3, i) = sum (rads (3, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; heatstats (4, i) = sum (heats (1, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; heatstats (5, i) = sum (heats (nlayers +1, (i - 1) * nvaluesday +1: i * nvaluesday)-RRB-; end end
Rather than 50 watts or 2 watts, the amount heat transferred to the surface, seems much closer to 0 watts per square meter.
It could just be a set of rules between how many watts of energy per square meter of heating we get between winter and summer and how much the temperature differs between winter and summer.
So the latent heat per mole that evaporated water carries away from the oceans surface is much lower than the calculations state?
It would be helpful if this could be converted to more familiar units, such as watts per square meter required to generated this much heat, or the number of degrees Celsius this will raise the water temperature.
Space heating poses a much higher risk of fire, death, injury, and loss per million users than central heating.
British Gas says that the service could help customers save as much as # 150 per year by controlling heat in the home and making hot water only when they need it.
Your reader makes a decision in the first 6 seconds if you're qualified for the job and your reader doesn't see much in these first 6 seconds, per TheLadders» recent resume heat mapping study.
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