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Filtering by: Creator Loughborough, W. Karl Academic Affiliation Mechanical, Industrial, and Manufacturing Engineering Creator Haapala, Karl R.

Investigation of the combined efficiency of a solar/gas hybrid water heating system

Creator:

Karki, Saroj, Haapala, Karl R., and Fronk, Brian M.

Abstract:

In climate regions with large seasonal variations in solar radiation, such as the Pacific Northwest of the United States, a solar thermal energy collector might not economically satisfy year-round domestic water heating demands, requiring an auxiliary unit, such as a natural gas-fired water heater. Previous studies have shown that the...

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Combined Efficiency of a Solar/Gas Hybrid Water Heating System Saroj KARKI (a), Karl R. HAAPALA(a
An economic and environmental assessment model for microchannel device manufacturing: part 1-Methodology

Creator:

Gao, Qi, Lizarazo-Adarme, Jair, Paul, Brian K., and Haapala, Karl R.

Abstract:

To manage the effects of manufacturing industries on the economy and environment, design tools are needed that will aid engineers to assess manufacturing costs and environmental impacts early in design. The development of cost analyses and environmental assessments can be burdensome, but much of the data used in these analyses...

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, Karl R. Haapala a, * a School of Mechanical, Industrial, and Manufacturing Engineering, 204 Rogers