Food Calorific Combustion Values
Reference data and engineering information about food calorific combustion values for combustion applications.
foodcalorificcombustionvalues
Overview
Engineering reference data for Food Calorific Combustion Values in combustion engineering.
Key Formulas
Heat Release
Fuel energy release rate.
Air-Fuel Ratio
Mass of air per mass of fuel.
Excess Air
From flue gas oxygen measurement.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Heat release rate | W | |
| Mass flow rate | kg/s | |
| Heating value | J/kg | |
| Air-fuel ratio | — |
Data Table
The following table lists the calorific combustion values of common foods.
14 rows
Food | Calorific Combustion Value(MJ/kg) |
|---|---|
| Butter | 30.5 |
| Cheese | 14.6 |
| Curd | 2.5 |
| Egg, yolk | 5.4 |
| Egg, white | 14 |
| Fish | 5.2 |
| Ghee | 37.6 |
| Meat | 12 |
| Milk, buffalo | 4.9 |
| Milk, cow | 2.2 |
| Potatoes | 4 |
| Rice | 16.7 |
| Soyabean | 18.1 |
| Sugar | 16 |
Source: engineeringtoolbox.com
Key Concepts
- Definition: The calorific (or combustion) value is the total amount of heat energy released when a substance undergoes complete combustion with oxygen.
- Unit: This value is commonly expressed in MegaJoules per kilogram (MJ/kg).
- Application Context: This data is relevant for nutritional energy content and for comparing the energy density of different food items. As a reference point, a typical daily energy requirement for a young adult male is approximately 10 MJ.