'Radiative efficiency' presentation slideshows

Growth of massive black holes during radiatively inefficient accretion phases

Growth of massive black holes during radiatively inefficient accretion phases. Xinwu Cao. Shanghai Astronomical Observatory, CAS. Growth of massive black holes is mainly through accretion. The black hole mass density accreted in bright AGN phases is

348 views • 20 slides

The Radiative Efficiency of Individual AGN

The Radiative Efficiency of Individual AGN. Shane Davis ( IAS ) & Ari Laor ( Technion ). Why is the radiative efficiency ( ? ) important?. Gives the spin (a * ), which indicates the accretion history a * =1 ? uniform accretion geometry a * =0 ? independent accretion events

271 views • 19 slides

Gamma-ray bursts from magnetized collisionally heated jets

Gamma-ray bursts from magnetized collisionally heated jets. Indrek Vurm (Hebrew University of Jerusalem) in collaboration with Andrei Beloborodov (Columbia University) Juri Poutanen (University of Oulu). Raleigh 2011. ? ?? =1. R * ~10 12 cm. ? T =1. R s. R n. R 0. DISSIPATION.

253 views • 16 slides

The accretion mechanism in low power radio-galaxies

271 views • 13 slides

Radiative efficiency of light-emitting materials

A talk given at the SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging (2000). Radiative efficiency of light-emitting materials. Tim Gfroerer Davidson College, Davidson, NC - Funded by Research Corporation and the Petroleum Research Fund. Outline. Motivation

208 views • 13 slides

Radiative efficiency of light-emitting materials

A talk given at the SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging (2000). Radiative efficiency of light-emitting materials. Tim Gfroerer Davidson College, Davidson, NC - Funded by Research Corporation and the Petroleum Research Fund. Outline. Motivation

133 views • 13 slides

Experiments by . . .

226 views • 12 slides

Report of the Scientific Assessment Panel

137 views • 4 slides

How does diffusion affect radiative efficiency measurements?

Laser Excitation Area Luminescence Area Absorption Event Recombination Event Electrons Holes. How does diffusion affect radiative efficiency measurements? Caroline Vaughan and Tim Gfroerer, Davidson College, Davidson, NC Mark Wanlass, National Renewable Energy Lab, Golden, CO.

100 views • 1 slides