Q. Steam Hot Service Insluation Thicknesses?
Steam Hot Service Insluation Thicknesses are specified based on the following design criteria:
- Average Annual Climatic Conditions: Fort McMurray, Alberta
- Straight payout period: 5 years
- Heat Loss Calculation Program: North Am. Ins. Manufacturers Ass. 3E Version 3.2
- Hours of operation: 39420 (90% of number of hours in 5 years)
- Bare surface emittance : 0.8 emittance Steel
- Outside surface emittance: 0.1 Aluminum
- Energy conversion efficiency: 80% for Steam Hot Service
- Fuel type: Natural gas
- Fuel heat content: 0.0382 GJ/m³
- Fuel cost: $5/GJ
- Pipe and Insulation dimensions per ASTM C 585
- Yearly outdoor ave. amb. Temp.: 0.2°C (32.4 °F)
- Yearly outdoor ave. wind vel.: 10 km/h
- Indoor ave. Temp.: 15ºC
- Indoor ave. wind vel.: 0 km/h