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Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
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Energy Conservation and Bernoulli's Equation01:16

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Applying the conservation of energy principle or the work-energy theorem to an incompressible, inviscid fluid in laminar, steady, irrotational flow leads to Bernoulli's equation. It states that the sum of the fluid pressure, potential, and kinetic energy per unit volume is constant along a streamline.
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When solving problems using the energy conservation law, the object (system) to be studied should first be identified. Often, in applications of energy conservation, we study more than one body at the same time. Second, identify all forces acting on the object and determine whether each force doing work is conservative. If a non-conservative force (e.g., friction) is doing work, then mechanical energy is not conserved. The system must then be analyzed with non-conservative work. Third, for...
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Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes
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Energy efficiency in cloud computing data centers: a survey on software technologies.

Avita Katal1,2, Susheela Dahiya2, Tanupriya Choudhury2

  • 1Research Scholar, School of Computer Science, University of Petroleum and Energy Studies, Dehradun, India.

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|September 5, 2022
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Summary
This summary is machine-generated.

This paper explores software-based green data center technologies to reduce energy consumption and CO2 emissions. It details methods for improving power management at software, virtualization, and application levels for sustainable IT infrastructure.

Keywords:
Cloud ComputingContainerizationData centerLoad balancingWorkload categorization

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Area of Science:

  • Computer Science
  • Environmental Science
  • Information Technology

Background:

  • Cloud computing is a dominant IT paradigm with significant energy demands.
  • Data center energy consumption is projected to rise dramatically, increasing CO2 emissions.
  • Environmental impacts include substantial power usage and electronic waste (e-waste).

Purpose of the Study:

  • To survey software-based technologies for building energy-efficient green data centers.
  • To analyze power management strategies at individual software levels.
  • To highlight the environmental impact of data centers and explore sustainable solutions.

Main Methods:

  • Review of software-based technologies for green data centers.
  • Analysis of energy efficiency in containerized environments.
  • Examination of power management techniques at virtualization, operating system, and application levels.

Main Results:

  • Identified software-level technologies to reduce data center energy consumption.
  • Discussed approaches for improving power management in cloud infrastructure.
  • Detailed environmental impacts, including e-waste and data center rating standards.

Conclusions:

  • Software-based solutions are crucial for developing green data centers and mitigating environmental pollution.
  • Focus on long-term technological advancement is essential for sustainable IT.
  • Addressing challenges and needs of cloud organizations is key to promoting green cloud adoption.