Results 1 to 10 of about 620,786 (259)

Standardized performance tests of collectors of solar thermal energy: An evacuated flatplate copper collector with a serpentine flow distribution [PDF]

open access: yes
Basic test results are given for a flat plate solar collector whose performance was determined in the NASA-Lewis solar simulator. The collector was tested over ranges of inlet temperatures, fluxes and one coolant flow rate.
Johnson, S. M.
core   +1 more source

An experimental investigation with artificial sunlight of a solar hot-water heater [PDF]

open access: yes
Thermal performance measurements were made of a commercial solar hot water heater in a solar simulator to determine basic performance characteristics of a traditional type of flat plate collector, with and without side reflectors (to increase the solar ...
Simon, F. F.
core   +1 more source

The Attribution of Human Seasonal Influenza H3N2 Virus Detection to the Collector, Not Avian Sources, During the 2022 Highly Pathogenic Avian Influenza Outbreak in Pennsylvania, USA—Implications for Biosafety and Biosecurity

open access: yesZoonotic Diseases
Highly pathogenic avian influenza (HPAI) surveillance for influenza A virus (IAV) in the United States is conducted using a National Animal Health Laboratory Network (NAHLN) real-time reverse transcriptase–polymerase chain reaction (rRT-PCR).
Deepanker Tewari   +7 more
doaj   +1 more source

A generalized correlation of experimental flat-plate collector performance [PDF]

open access: yes
A generalized collector performance correlation was derived and shown by experimental verification to be of the proper form to account for the majority of the variable conditions encountered both in outdoor and in indoor collector tests. This correlation
Miller, D. R., Simon, F. F.
core   +1 more source

Arrangement for damping the resonance in a laser diode [PDF]

open access: yes, 1985
An arrangement for damping the resonance in a laser diode is described. This arrangement includes an additional layer which together with the conventional laser diode form a structure (35) of a bipolar transistor.
Katz, J., Margalit, S., Yariv, A.
core   +1 more source

Initial comparisons of solar collector performance data obtained out-of doors and with a solar simulator [PDF]

open access: yes
A facility was constructed to evaluate solar collector performance outdoors for conditions that would be encountered by collectors if they were incorporated in a solar heating/cooling system.
Vernon, R. W.
core   +1 more source

Module failure isolation circuit for paralleled inverters [PDF]

open access: yes, 1979
A module failure isolation circuit is described which senses and averages the collector current of each paralled inverter power transistor and compares the collector current of each power transistor the average collector current of all power transistors ...
Nagano, S.
core   +1 more source

Design, fabrication, testing, and delivery of a solar energy collector system for residential heating and cooling [PDF]

open access: yes
A low cost flat plate solar energy collector was designed for the heating and cooling of residential buildings. The system meets specified performance requirements, at the desired system operating levels, for a useful life of 15 to 20 years, at minimum ...
Borzoni, J. T., Holland, T. H.
core   +1 more source

Evaluation of initial collector field performance at the Langley Solar Building Test Facility [PDF]

open access: yes
The thermal performance of the solar collector field for the NASA Langley Solar Building Test Facility is given for October 1976 through January 1977. A 1,180 square meter solar collector field with seven collector designs helped to provide hot water for
Boyle, R. J.   +2 more
core   +1 more source

A Vegetable Oil as Heat Transfer Fluid for Parabolic Trough Collector: Dynamic Performance Analysis under Ouagadougou Climate Conditions

open access: yesMaterials Proceedings
In this study, the thermal performance of the parabolic trough collector (PTC) has been addressed under Ouagadougou climate conditions. Thus, after developing a model, the effect of mass flow on PTC performance showed that the Jatropha curcas oil (JCO ...
Boubou Bagré   +8 more
doaj   +1 more source

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