A Method for Quick Comparison of the Total Solar Radiation Incident on Different Microhabitats

Ecology ◽  
1962 ◽  
Vol 43 (4) ◽  
pp. 740-741 ◽  
Author(s):  
A. J. Pontin
Keyword(s):  
Solar Radiation ◽  
Total Solar Radiation ◽  
Radiation Incident ◽  
Solar Radiation Incident

scholarly journals Solar radiation incident on the Martian surface

1979 ◽  
Vol 14 (1-3) ◽  
pp. 57-64 ◽  
Author(s):  
W. R. Kuhn ◽  
S. K. Atreya
Keyword(s):  
Solar Radiation ◽  
Martian Surface ◽  
Radiation Incident ◽  
Solar Radiation Incident

Solar radiation incident on tilted surfaces in Burgos, Spain: Isotropic models

1995 ◽  
Vol 36 (10) ◽  
pp. 945-951 ◽  
Author(s):  
A. De Miguel ◽  
J. Bilbao ◽  
M. Diez
Keyword(s):  
Solar Radiation ◽  
Radiation Incident ◽  
Solar Radiation Incident

Some aspects of the solar radiation incident at the top of the atmospheres of Mercury and Venus

Icarus ◽  
1981 ◽  
Vol 48 (2) ◽  
pp. 167-179 ◽  
Author(s):  
E. Van Hemelrijck ◽  
J. Vercheval
Keyword(s):  
Solar Radiation ◽  
Radiation Incident ◽  
Solar Radiation Incident

Evaluation of Different Radiation and Albedo Models for the Prediction of Solar Radiation Incident on Tilted Surfaces, for Four European Locations

1996 ◽  
Vol 118 (3) ◽  
pp. 183-189 ◽  
Author(s):  
B. E. Psiloglou ◽  
C. A. Balaras ◽  
M. Santamouris ◽  
D. N. Asimakopoulos
Keyword(s):  
Solar Radiation ◽  
Diffuse Radiation ◽  
Vertical Surface ◽  
Mean Bias Error ◽  
Bias Error ◽  
Total Solar Radiation ◽  
Total Radiation ◽  
Radiation Incident ◽  
Tilted Surface ◽  
Significant Difference

The diffuse radiation incident on an inclined surface is composed of both the sky diffuse radiation and the ground-reflected radiation. Depending on the model used to calculate the sky diffuse radiation and the estimated albedo value, it is possible to introduce a significant error in the prediction of the total radiation incident on a tilted surface. Twelve sky diffuse submodels associated with four different albedo submodels are used to estimate the total radiation on the tilted surface from data on the horizontal plane. The predicted total solar radiation values are compared with measured data on a south facing vertical surface, from four representative south and north European locations. Root mean square error, mean bias error, and a t-test are used to determine the intrinsic performance of each combination of diffuse tilt and albedo submodel. Accordingly, the various model combinations do not exhibit a statistically significant difference between measured and calculated values.

Algorithm for Evaluating the Hourly Radiation Utilizability Function

1983 ◽  
Vol 105 (3) ◽  
pp. 281-287 ◽  
Author(s):  
D. R. Clark ◽  
S. A. Klein ◽  
W. A. Beckman
Keyword(s):  
Solar Radiation ◽  
Numerical Integration ◽  
Simple Algorithm ◽  
Threshold Intensity ◽  
Analytical Expression ◽  
Monthly Average ◽  
Radiation Incident ◽  
Solar Radiation Incident ◽  
Radiation Measurements

A computationally simple algorithm is presented for evaluating the hourly utilizability function, φ, defined as the fraction of the long-term, monthly-average, hourly solar radiation incident on a surface which exceeds a specified threshold intensity. The algorithm was developed by correlating values of φ obtained by numerical integration of hourly radiation for three locations. The algorithm is shown to compare well both with a more complex analytical expression for φ developed recently and with results obtained numerically using many years of hourly horizontal radiation measurements in nine U.S. locations. In addition, the algorithm is shown to be applicable for surfaces of any orientation.

Solar radiation incident upon slopes of different orientations

Solar Energy ◽  
1977 ◽  
Vol 19 (2) ◽  
pp. 179-184 ◽  
Author(s):  
Ralph C. Temps ◽  
K.L. Coulson
Keyword(s):  
Solar Radiation ◽  
Radiation Incident ◽  
Solar Radiation Incident

scholarly journals Evaluation of Global Solar Radiation Received by a Spherical Solar Collector

2012 ◽  
Vol 69 (2) ◽  
Author(s):  
Ferenc GáSPáR ◽  
Mugur BÄ‚LAN ◽  
Lorentz Já„NTSCHI ◽  
Victor ROȘ
Keyword(s):  
Solar Radiation ◽  
Flat Plate ◽  
Surface Area ◽  
Tilt Angle ◽  
Solar Collector ◽  
Global Solar Radiation ◽  
Radiation Incident ◽  
Solar Radiation Incident ◽  
Flat Plate Solar Collector ◽  
Existing Data

In the paper the global solar radiation incident on a fixed spherical solar collector is evaluated and compared to a south oriented with 46 grade tilt angle fixed flat plate solar collector. Mean daily and hourly solar radiation are calculated from existing data for Cluj-Napoca, Romania. The results show that depending on the equivalent absorbing surface area taken into account, spherical collectors can be more efficient in receiving solar radiation than flat plate collectors.

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