Wikipedia
An energy budget is a balance sheet of energy income against expenditure. It is studied in the field of Energetics which deals with the study of energy transfer and transformation from one form to another. Calorie is the basic unit of measurement. An organism in a laboratory experiment is an open thermodynamic system, exchanging energy with its surroundings in three ways - heat, work and the potential energy of biochemical compounds.
Fishes, like all organisms, use ingested food resources (C=consumption) as building blocks in the synthesis of tissues (P=production) and as fuel in the metabolic process that power this synthesis and other physiological processes (R=respiratory loss). Some of the resources are lost as waste products (F=faecal loss, U=urinary loss). All these aspects of metabolism can be represented in energy units. The basic model of energy budget may be shown as:
P = C - R - U - F or
P = C - (R + U + F) or
C = P + R + U + F
All the aspects of metabolism can be represented in energy units (e.g. joules (J);1 food calorie = 4.2 kJ). Energy used for metabolism will be
R = C - (F + U + P)
Energy used in the maintenance will be
R + F + U = C - P
The compilation of energy budget for fish has a fairly short history, with the result that literature on the subject is limited.
Usage examples of "energy budget".
This means it's going to be considerably tougher to get at that cielanite, for we don't have the energy budget for night mining.
NavInt's best current guess was that they'd gone to some sort of advanced fission plant with enormously improved and/or enlarged superconductor capacitor rings to manage their energy budget.
A massive safety factor in the energy budget had been planned for.
The entire planetary polity can't afford to pay the energy budget of a relativistic starship big enough to hold everyone, even as uploads, and a subrelativistic ship would be too damn vulnerable to the Vile Offspring.
So our hot fudge sundae pops in with about thirty percent of the world's annual energy budget.
That was before he found out that the Martians spend about half their energy budget at home just trying to stay reasonably warm.
And I seem to recall that New Destiny had a far higher energy budget than the Freedom Coalition.
The daily energy budget of a nursing mother exceeds that of most men with even a moderately active lifestyle and is topped among women only by marathon runners in training.
Because of the energy budget for matching orbits with the right-angle satellites, the crews were relieved only at six-month intervals, and they came back with a fortune in their pockets and a mad hunger for company.
The Eater lived on a huge energy budget, whenever it could harvest an iceteroid.
Perhaps those species command a much larger energy budget than Humanity.
Even a ping alarm would use the equivalent of this world's entire energy budget for a year.