Calculated Heat Flow=(Conductivity of Material*Area(ft2)*(Temperature of Hot Surface(F)-Temperature of Cold Surface(F))/Thickness(inches))

P = ε σ A T

A = 4 π r

ε - Emissivity

A - Surface area

r - radius

T - Temperature

CR = v1/v2

Where,

V1 = Voltage1

V2 = Voltage2

CR = Compression Ratio

ƞ = 1 - (T

Where,

ƞ = Carnot Efficiency

T

T

E α T

Where,

σ = Stefan's constant ( 5.67 × 10

E = Radiant Energy

T = Absolute Temperature

in = mm / 25.4,

cmm = PI * ( mm / 2 )

cin = PI * ( mm / 50.8)

Where,

in is the size of the wire in inches,

mm is the size of the wire in mm,

cmm is the cross sectional area in mm,

cin is the cross sectional area in inches.

The value of mm is found from this

q

Thermal Volumetric Expansion Coefficient:

Thermal Linear Expansion Coefficient:

b = Thermal Volumetric Expansion Coefficient,

a = Thermal Linear Expansion Coefficient.

Thermal Volumetric Expansion Coefficient:

Initial Volume:

Final Volume:

Initial Temperature:

Final Temperature:

b = Thermal Volumetric Expansion Coefficient,

V

V

T

T

Thermal Linear Expansion Coefficient:

Initial Length:

Final Length:

Initial Temperature:

Final Temperature:

a = Thermal Linear Expansion Coefficient,

L

L

T

T

Thermal Diffusivity:

Thermal Conductivity:

Density:

Specific Heat Capacity:

α = Thermal Diffusivity,

k = Thermal Conductivity,

ρ = Density,

c

Heat Transfer Rate or Flux:

Thermal Conductivity Constant:

Temperature Differential:

Distance or Length:

where,

q

K

ΔT = Thermal Conductivity Constant,

x = Distance or Length.

Where,

V

R

B

I

w = Strip Thickness

Where,

β

K

dp/dT = Ehrenfest equation for Second Order Phase Transition

Where,

V = Volume

T = Temperature of phase change

C

B

dp/dT = Ehrenfest Equation for First Order Phase Transition

Where,

a=Particle Polarisability

h=Planck Constant / 2π

w=Angular Frequency of Polarised Orbital

e=Permittivity of Free Space

f=Van der Waals Interaction

r=Particle Separation

Q = mL

Where

Q = Heat Transferred to a System

m = Mass of sample

L = Heat of Transformation

C

Where,

C

C

ζ = Dryness Fraction

w

w

Battery charge time = Inverter capacity / Battery volts

Where,

natural system losses = 1.2 (this factor allows for natural system losses, assuming 85% efficiency)

Total Energy = Appliances watts * Appliances usage hours/day

Where,

P

a,b=Van Der Waals Constant

Where,

P

a,b=Dieterici Constants

Where,

P

T

V

Where,

n=Dynamic Viscosity

p=Density

l=Mean Free Path

c=Mean Molecular Speed

Where,

M = Exitance

A = Albedo

σ = Stefan - Boltzmann Constant

T = Temperature

Where,

T

P

V

Where,

V

b=Van Der Waals Constant

Where,

T

a,b=Van Der Waals Constants

R=Molar Gas Constant

Where,

V

b'=Dieterici Constant

l = 1 / ( √( 2 ) * πd

Where,

l=Mean Free Path of Transport Properties

d=Molecular Diameter

n=Particle Number Density

Where,

p = Pressure

r = Molar Gas Constant

t = Temperature

v = Molar Volume

a',b' = Dieterici Constants

Where,

C

q = Free Gas / Standard Cubic Feet Per Hour

SG = Specific Gravity

T = Gas Temperature

p

Where,

L = Specific Latent Heat

Q = Energy in Heat

m = Mass

l = MA * e

e= l / MA

Where,

MA = Mechanical Advantage

l = Load

e = Effort

Where,

n = Number density

m = Particle mass

p = Pressure

c

Where,

E

h = Planck constant/2π

m

n = Number of electrons per unit volume

Where,

T

E

k

Where,

K

E

T = Temperature

C

Where,

g = Density of states

m = Electron mass

h = Planck constant

e = Electron energy

v = Gas volume

Where,

l=Heat Absorbed

T=Temperature of Phase Change

p=Entropy (S1)

r=Entropy (S2)

Where,

S

S

V

V

P = Slope of Tangent using Clausius Clapeyron

Where,

λ = Thermal conductivity

C

V = Volume

v

l = Phonon mean free path

Where,

U = Internal Energy of Monatomic Gas

N = Number of Particles

k = Boltzmann Constant

T = Temperature

C

Where,

C

q = Free Gas / Standard Cubic Feet Per Hour

SG = Specific Gravity

T = Gas Temperature

p

p

dp = Pressure Drop

Where,

A = Heat Transfer Area of the Surface

h

dT = Temperature Difference Between the Surface and Bulk Fluid

Where,

P / P

P = Pressure

P

T = Temperature

T

γ = Specific Heat Ratio

Where,

q = Mean Transfer Rate of Heat Exchanger

dT = Change in Temperature

c

m/t = Mass Flow Rate of Product (m = mass, t = time)

Where,

k = Boltzmann Constant

T = Temperature

c = Most Probable Speed in Maxwell Boltzmann Distribution

m = Particle mass

Where,

S

j

α

Where,

Q = Heat

C

m = Mass

ΔT = Change in Temperature

Where,

Q = Sensible Heat

M = Mass of the Body

C = Specific Heat Capacity

T = Change of the Temperature

Where,

γ = Heat Capacities Ratio

C

C