Calculations of maximum allowable heat losses for various shallow-trench heat-distribution systems
Technical Report
·
OSTI ID:5685966
The calculation of heat losses for shallow-trench underground heat-distribution systems was performed using a finite=element computer program. The finite-element analysis solved a two-dimensional steady-state heat-transfer problem for two insulated pipes in a rectangular trench with surrounding soil. A life-cycle-cost analysis was performed to determine the cost of construction and annual energy cost associated with pipe heat loss for underground concrete trench systems of different trench dimensions and insulated-pipe sizes.
- Research Organization:
- National Bureau of Standards, Washington, DC (USA). Building Environment Div.
- OSTI ID:
- 5685966
- Report Number(s):
- PB-88-153721/XAB; NBSIR-87/3617
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320603* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
COMPUTER CODES
COST
ENERGY LOSSES
ENERGY SYSTEMS
FINITE ELEMENT METHOD
HEAT DISTRIBUTION SYSTEMS
HEAT LOSSES
LIFE-CYCLE COST
LOSSES
NUMERICAL SOLUTION
PIPES
THERMAL INSULATION
TWO-DIMENSIONAL CALCULATIONS
320603* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Public Utilities-- (1980-)
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
COMPUTER CODES
COST
ENERGY LOSSES
ENERGY SYSTEMS
FINITE ELEMENT METHOD
HEAT DISTRIBUTION SYSTEMS
HEAT LOSSES
LIFE-CYCLE COST
LOSSES
NUMERICAL SOLUTION
PIPES
THERMAL INSULATION
TWO-DIMENSIONAL CALCULATIONS