0

Guest

Courses New

26)Describe the working of angstrom pyrheliometer with diagram.

26)Describe the working of angstrom pyrheliometer with diagram.

Grade:12

1 Answers

Mukesh Sharma
askIITians Faculty 43 Points
10 years ago

ANGSTROM PYRHELIOMETER

Features:

  • Measures direct solar irradiance from 300-4000 nm at normal incidence.
  • Sensor: Two blackened identical mangnin strips in thermal contact with thermocouples but electrically insulated.
  • Sensor mounted in a long metallic tube to collimate the beam and minimize the effect of scattered irradiance.
  • Shutter provided to shield one of the strips alternately.
  • The heating by direct irradiation received by the exposed strip is compensated by electrically heating the shielded strip.
  • Electrical power required for heating the shielded strip is proportional to incident irradiance.
  • Used for instantaneous measurement of direct solar irradiance, is capable of very high accuracy and has very high stability. When used with coloured glass broad band pass filter we get spectral distribution of direct solar irradiance


Thanks & Regards
Mukesh Sharma
askIITians Faculty

Think You Can Provide A Better Answer ?

Other Related Questions on General Physics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More