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Hemispherical

Hemispherical emissivity

Vol. 4, No. 3/March 1987/J. Opt. Soc. Am. B 351 Hemispherical emissivity of V, Nb, Ta, Mo, and W from 300 to 1000 K S. X. Cheng,* P. Cebe,t L. M. Hanssen, D. M. Riffe, and A. J. Sievers Laboratory of Atomic and Solid State Physics and Materials Science Center, Cornell University, Ithaca, New ...

PRACTICAL METHOD TO MODEL TREES FOR DAYLIGHTING SIMULATION ...

PRACTICAL METHOD TO MODEL TREES FOR DAYLIGHTING SIMULATION USING HEMISPHERICAL PHOTOGRAPHY Khaled A. Al-Sallal Associate Professor, UAE University P.O. Box 17555, Al-Ain, United Arab Emirates k.sallal@uaeu.ac.ae ABSTRACT The ability to simulate the effect of trees on natural light performance in ...

USES AND LIMITATIONS OF HEMISPHERICAL PHOTOGRAPHY FOR ...

213 New Zealand Journal of Ecology (1995) 19(2): 213-217 ©New Zealand Ecological Society JASON R. ROXBURGH 1 and DAVE KELLY 2 Plant and Microbial Sciences, University of Canterbury, Private Bag, Christchurch 1, New Zealand. 1 Present address: Department of Conservation, Waikato Conservancy ...

Multifilar Hemispherical Helical Antennas

Multifilar Hemispherical Helical Antennas Jeffrey R. Clark ABSTRACT Helices are broadband antennas that provide moderate gain, largely real input impedance and circular polarization when operating in the axial mode regime.

Hemispherical total emissivity and specific heat capacity of ...

riumfarabovetheKauzmann temperature and c p starts to drop. This is shown in Fig. 3 as well. The open triangles in Fig. 3 show the track of c p of a sample cooled in the DSC with a rate of 1.667 K/sthroughoutthe glass transition.

Determining digital hemispherical photograph exposure for ...

Determining digital hemispherical photograph exposure for leaf area index estimation Yongqin Zhang a, *, JingM. Chen a, John R. Miller b a University of Toronto, 100 St. George St., Room 5047, Toronto, Ont., Canada M5S 3G3 b York University, 4700 Keele Street, Toronto, Ont., Canada M3J 1P3 ...

Washington State Department of Ecology Environmental ...

Washington State Department of Ecology Environmental Assessment Program Standard Operating Procedures for the computer analysis of hemispherical digital images collected as part of a temperature Total Maximum Daily Load (TMDL) or Forests and Fish Unit technical study.

Elasto-plastic hemispherical contact models for various ...

Elasto-plastic hemispherical contact models for various mechanical properties JJQuicksall, RL Jackson and IGreen * Georgia Institute of Technology, Atlanta, Georgia, USA Abstract: This work uses the finite element technique to model theelastoplastic deformation of a hemisphere contactingarigid ...

A Printed Hemispherical Helical Antenna for GPSReceivers

10 IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 15, NO. 1, JANUARY 2005 A Printed Hemispherical Helical Antenna for GPSReceivers Yingbo Zhangand H. T. Hui , Senior Member, IEEE Abstract— A self-matched printed hemispherical helical antenna for potential use in global positioning system ...

Representative Solar-Weighted Total Hemispherical Reflectance ...

August 2011 Technical Data 3M ™ Solar Mirror Film 1100 Description 3M Solar Mirror Film 1100 is a silver metallized weatherable acrylic film. It has a solar-weighted