Claims
- 1. A method of selecting heat transfer liquid for use in a burner of an auxiliary heating system, comprising the steps of:
- determining the thermal output of said burner during a minimum operational cycle of said burner;
- selecting heat transfer liquid having a thermal energy storage capacity equal to said thermal output of said burner; and
- providing said heat transfer liquid in heat transfer relationship with said burner.
- 2. A method of selecting the weight of heat transfer liquid to be contained in a thermal reservoir in heat exchange relationship with a burner that provides thermal energy, comprising:
- selecting the material to be used as said heat transfer liquid;
- determining the specific heat (S.H..sub.L) of said material of said liquid;
- selecting a temperature differential (.DELTA. T.sub.R) for heat transfer from said burner to said liquid;
- determining the thermal output (RTO) of said burner during the duration of a minimum desired operational cycle of said burner;
- selecting the material to be used as said thermal reservoir;
- determining the specific heat (S.H..sub.R) of said material for said reservoir;
- selecting the weight W.sub.R of said thermal reservoir; and
- determining the weight (W.sub.L) of said liquid by solving the following equation for W.sub.L :
- RTO=(.DELTA.T.sub.R)(S.H..sub.L)(W.sub.L)+(.DELTA.T.sub.R)(S.H..sub.R)(W.sub.R).
- 3. The method of claim 1, in which:
- said step of selecting said heat transfer liquid includes selecting a given weight of said heat transfer liquid, selecting said heat transfer liquid having a particular specific heat, and selecting an operational temperature range over which said heat transfer liquid is heated during the minimum operational cycle.
- 4. The method of claim 1, comprising the following further steps of controlling the operation of said burner:
- with said heat transfer liquid initially at a maximum operational temperature and with said burner not operating, transferring heat from said heat transfer liquid to decrease the temperature of said heat transfer liquid to a minimum operational temperature; and
- operating said burner for a duration of not less than the duration of the minimum operational cycle to increase the temperature of the heat transfer liquid to the maximum operational temperature.
- 5. The method according to claim 1, further comprising the following step of controlling the operation of said burner:
- operating said burner in cycles of no less duration than the duration of the minimum operational cycle.
- 6. A method of selecting the weight of heat transfer liquid to be contained in a thermal reservoir in heat exchange relationship with a burner that provides thermal energy to said thermal reservoir, comprising:
- selecting the material to be used as said heat transfer liquid;
- determining the specific heat (S.H..sub.L) of said material of said liquid;
- selecting a temperature differential (.DELTA. T.sub.R) for heat transfer from said burner to said liquid;
- determining the thermal output (RTO) of said burner during the duration of a minimum desired operational cycle of said burner; and
- selecting the weight of said liquid by solving the following equation: ##EQU1##
REFERENCE TO PARENT APPLICATION
This application is a division of application of H. R. Enander, Ser. No. 07/318,392, filed Mar. 2, 1989, For SUPPLEMENTAL VEHICLE HEATING METHOD AND APPARATUS WITH LONG HEATING CYCLE.
Non-Patent Literature Citations (1)
Entry |
Van Wylen, Thermodynamics, 1959 pp. 99 and 100. |
Divisions (1)
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Number |
Date |
Country |
Parent |
318392 |
Mar 1989 |
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