EngiRef / Formulas

Newton's Law of Cooling

Heat transfer by convection

Heat Transfer

Source Details

Id

thermo-convection

Name

Newton's Law of Cooling

Discipline

thermodynamics

Category

Heat Transfer

Latex

Q = hA(T_s - T_\infty)

Description

Heat transfer by convection

Conditions

Convection coefficient h assumed constant

Variables
[
  {
    "symbol": "Q",
    "name": "Heat Transfer Rate",
    "unit": "W",
    "siUnit": "W",
    "imperialUnit": "BTU/hr"
  },
  {
    "symbol": "h",
    "name": "Convection Coefficient",
    "unit": "W/(m²·K)",
    "siUnit": "W/(m²·K)",
    "imperialUnit": "BTU/(hr·ft²·°F)"
  },
  {
    "symbol": "A",
    "name": "Surface Area",
    "unit": "m²",
    "siUnit": "m²",
    "imperialUnit": "ft²"
  },
  {
    "symbol": "Tₛ",
    "name": "Surface Temperature",
    "unit": "K",
    "siUnit": "K",
    "imperialUnit": "°F"
  },
  {
    "symbol": "T∞",
    "name": "Fluid Temperature",
    "unit": "K",
    "siUnit": "K",
    "imperialUnit": "°F"
  }
]
Solve For

Q, h, A

Tags

convection, newton, cooling, heat transfer

Is Custom

false