scholarly journals Erratum: “A simple, analytical model of collisionless magnetic reconnection in a pair plasma” [Phys. Plasmas 16, 102106 (2009)]

2010 ◽  
Vol 17 (7) ◽  
pp. 079902
Author(s):  
Michael Hesse ◽  
Seiji Zenitani ◽  
Masha Kuznetsova ◽  
Alex Klimas
2009 ◽  
Vol 16 (10) ◽  
pp. 102106 ◽  
Author(s):  
Michael Hesse ◽  
Seiji Zenitani ◽  
Masha Kuznetsova ◽  
Alex Klimas

1983 ◽  
Vol 105 (1) ◽  
pp. 29-33 ◽  
Author(s):  
A. M. Clausing

Cavity solar receivers are generally believed to have higher thermal efficiencies than external receivers due to reduced losses. A simple analytical model was presented by the author which indicated that the ability to heat the air inside the cavity often controls the convective loss from cavity receivers. Thus, if the receiver contains a large amount of inactive hot wall area, it can experience a large convective loss. Excellent experimental data from a variety of cavity configurations and orientations have recently become available. These data provided a means of testing and refining the analytical model. In this manuscript, a brief description of the refined model is presented. Emphasis is placed on using available experimental evidence to substantiate the hypothesized mechanisms and assumptions. Detailed comparisons are given between analytical predictions and experimental results. Excellent agreement is obtained, and the important mechanisms are more clearly delineated.


2008 ◽  
Vol 85 (4) ◽  
pp. 228-242 ◽  
Author(s):  
Hongfang Zhang ◽  
Charles A. Garris

2014 ◽  
Vol 80 (3) ◽  
pp. 513-516
Author(s):  
Frank Verheest

In a recent paper ‘Propagation of solitary waves and shock wavelength in the pair plasma (J. Plasma Phys. 78, 525–529, 2012)’, Malekolkalami and Mohammadi investigate nonlinear electrostatic solitary waves in a plasma comprising adiabatic electrons and positrons, and a stationary ion background. The paper contains two parts: First, the solitary wave properties are discussed through a pseudopotential approach, and then the influence of a small dissipation is intuitively sketched without theoretical underpinning. Small dissipation is claimed to lead to a shock wave whose wavelength is determined by linear oscillator analysis. Unfortunately, there are errors and inconsistencies in both the parts, and their combination is incoherent.


2018 ◽  
Vol 192 ◽  
pp. 366-380 ◽  
Author(s):  
Subhan Ahmad ◽  
Pradeep Bhargava ◽  
Ajay Chourasia

2017 ◽  
Vol 65 (02) ◽  
pp. 443-455
Author(s):  
NORIMICHI MATSUEDA ◽  
JUN’ICHI MIKI

We first report three empirical findings from our survey on the contracting-out of municipal waste collection services in Japan: (1) the rate of contracting-out and the contract price are inversely related, (2) this inverse relationship tapers out as the contracting rate becomes sufficiently high, and the contract price even tends to go up as the contracting rate approaches 100% and (3) there is a significant disparity in the contracting rates between the eastern and western parts of Japan. In order to account for these observations, we then set up a simple analytical model and examine its implications. Also, we discuss the issues that a potential hold-up situation could give rise to when the services are completely contracted out to private firms.


2017 ◽  
Vol 15 (6) ◽  
pp. 599-608 ◽  
Author(s):  
Armando Acevedo-Luna ◽  
Roberto Bernal-Correa ◽  
Jorge Montes-Monsalve ◽  
Arturo Morales-Acevedo

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