Energy transfers and magnetic energy growth in small-scale dynamo

In this letter we investigate the dynamics of magnetic energy growth in small-scale dynamo by studying energy transfers, mainly energy fluxes and shell-to-shell energy transfers. We perform dynamo simulations for magnetic Prandtl number $\mathrm{Pm}=20$ on $1024^3$ grid using pseudospectral method. We demonstrate that the magnetic energy growth is caused by nonlocal energy transfers from the large-scale or forcing-scale velocity field to small-scale magnetic field. The peak of these energy transfers move towards lower wavenumbers as dynamo evolves, which is the reason why the integral scale of the magnetic field increases with time. The energy transfers $U2U$ (velocity to velocity) and $B2B$ (magnetic to magnetic) are forward and local.Comment: 6 pages, 8 figure

Environmental Accounting and Business Strategy a Study of Selected MNC's in India

Environmental Accounting is required to submit various types of user information on the financial position and performance of entities in the management of resources at their disposal. The environmental accounting is composed of the two factors such as environmental conservation cost, environmental conservation benefit and the economic benefit of environmental conservation activities. The environmental accounting system also identifies, measures, and communicates the environmental conservation benefit, which is the environmental performance portion represented in physical units. The present study is conducted on selected multinational corporations at Bangalore. A structured questionnaire was distributed to the respondents at their companies / work place at their convenience which includes their information about environmental reporting, practices and policies adopted in the organization. There is a correlation between environmental policy and business policy of the firm to achieve competitive advantage and Conscious reduction in environmental costs, & liabilities, will enhance environmental performance of the firm. NOTE: Register t

Marketing Mix Strategies of Retailing and Buyers Behavior towards FMCG-A Study in Bangalore

The purpose of the study is to examine the general shopping behavior includes such variables as days of the week, presence of a shopping list, period of shopping and shopping with a credit card. It also included variables like whether people thought themselves to be impulse purchasers and also if they thought themselves to be impulse purchasers. To investigate the relationship between the touching and cognitive processes on impulse buying among consumers. and also to evaluate the effects of various demographic segments of customers. This leads us to conclude that consumers most often have an irresistible urge to buy, suffer from emotional conflict, manage their moods and like to increase their pleasurable moods states while indulging in impulse purchases. It may be concluded that the number of members in the family does not have a significant impact on cognitive deliberation with respect to impulse buyin

Nucleate Pool Boiling Heat Transfer of Refrigerants Using Coated Surfaces

This work presents the experimental study of nucleated pool boiling heat transfer of R-134a and R-410A on a horizontal coated heating surface. The heating surface dimensions are 25.4 mm outer diameter and 116 mm effective length. The coated surfaces were fabricated by flame spraying technique. The copper powder was used as a coating material applied to the outer surface of copper tube. The experiments were performed for heat flux range of 5–50 kWm−2 at saturation temperature of 10°C. The heat transfer coefficients of both refrigerants demonstrated the same trends with applied heat flux increase and their magnitudes increases with increasing the value of applied heat flux. The present study also includes the effects of heat flux and coating parameter on boiling characteristics. The boiling heat transfer coefficient is enhanced by 1.9 times that of plain surface. An empirical correlation was also developed to predict the heat transfer coefficient with a mean error of 13%

Web Structure Mining: Exploring Hyperlinks and Algorithms for Information Retrieval

This paper focus on the Hyperlink analysis, the algorithms used for link analysis, compare those algorithms and the role of hyperlink analysis in Web searching. In the hyperlink analysis, the number of incoming links to a page and the number of outgoing links from that page will be analyzed and the reliability of the linking will be analyzed. Authorities and Hubs concept of Web pages will be explored. The different algorithms used for Link analysis like PageRank, HITS (Hyperlink-Induced Topic Search) and other algorithms will be discussed and compared. The formula used by those algorithms will be explored

Modelling and simulation on behaviours of mild steel

The objective of the paper is to simulate the behaviours of mild steel at different strain rates (1-1500s-1) under tension and compression by using finite element analysis code in ANSYS. Numerical simulation are done using Cowper-Symonds (C-S) and Johnson-Cook (J-C) material models to represent the flow stresses of mild steel. The simulated results have good agreement with the predicted results of the above material models