0
http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/heatcond.html
Wiki User
∙ 16y ago
Add your answer:
Earn +20 pts
Formula for measuring heat loss or heat gain?
Do a Google search on: ACCA Manual J
How do you calculate btu per square foot?
Divide the heat loss or gain obtained by the load calculation by square footage of the building.
What is the percentage of heat loss from the whole-house fan or attic fan?
There are so many variables and different sizes of houses, if you are looking for the heat loss of a specific house a heating and cooling technician can perform a " Manual J, Load calculation".
How many sq ft would 3500 BTU heat?
You cannot use square feet to determine how much heat is required or vice versa. A Manual J heat load calculation must be performed to determine the total heat loss of any given space.
Is precipitation heat loss or heat gain?
heat loss
What is formula for boiler efficiency?
boiler efficiency calculation methods:Input-output methodη = Output / Input Output is defined as the heat that is absorbed by working fluid. Input is defined as the chemical heat of fuel plus the heat that is added to working fluid, air, gas and other fluid circuit in which the fluid circuit across thin layer.Heat Loss MethodHeat loss method is the method that is used to calculate the percentage amount of heat which is not useful. This method is very effective used in an attempt to find potential savings of boiler with heat balance. There are several factors act as the source of heat loss combustion. These factors will be used to calculate boiler efficiency based on heat loss method. The source of heat loss can be seen as following below:a. Heat loss due to dry flue gasHeat loss due to dry flue gas is the heat loss which is contained in dry flue gas such as CO2, O2 and N2. These gases are one of causes of heat loss in combustion process. The high temperature of flue gas coming out from boiler affect amount of heat loss.The weight and heat loss of dry flue gas of combustion of coal can be calculated as following formula:Wdfg = mCO2 + mSO2 + mO2 + mN2Eloss dfg = Wdfg x Cp x (To - Ts)Where:Wdfg = weight of dry flue gas (kg/kg coal)Eloss dfg = heat loss in dry flue gas (kJ/kg)To = temperature of dry flue gas coming out from boilerTs = temperature of surroundingby Gajanan Nalegaonkar
What is the formula for the R - value?
simply put r-value= temperature differenceXareaXtime/heat loss the standard uses 75degrees on one side of a substance and the heat loss is measured across the substance this heat loss is then quantified by a temperature measurement of the noon standard temperature this becomes the temperature difference in the equation. the area is just that, in square feet and the time is in hours and the heat loss in Btu's. you dandan the heatin man
What is the relationship between heat loss and surface area?
Well, If the surface area is small, say 1 m2 . And the temperature is 1000C You lose only 2% of your heat. But if the surface area is big/largel, say 10 m2 . And the temperature is still 1000C You lose only 20% of your heat. So the bigger your surface area the bigger your heat loss is. Warning: It is a example, the calculation is not correct!
What is the net gold loss formula?
formula of "Net Gold loss
A thermos bottle has a shiny interior What type of heat transfer does it prevent?
It prevents heat loss through radiation.It prevents heat loss through radiation.It prevents heat loss through radiation.It prevents heat loss through radiation.
Why cold is not regarded as energy?
As heat is regarded as an energy similarly loss oh heat (COLD) is an energy as well this would be calculated by the same formula E=MC(delta)(teta)
How does the thickness of loft insulation affect heat loss?
the thicker the insulation is then there will be less heat loss. The material also affects heat loss
