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Related Concept Videos

Otto and Diesel Cycle01:27

Otto and Diesel Cycle

An Otto engine is a four-stroke engine that uses a mixture of gasoline and air as the working fuel. The fuel is injected into the cylinder, and the piston is moved completely down so that the cylinder is at maximum volume. By moving the piston up, adiabatic compression takes place. The spark plug ignites the gasoline-air mixture, and the burning fuel adds heat to the system at a constant volume. The heated mixture expands adiabatically and gets further cooled by exhausting heat, and this cyclic...
Batteries and Fuel Cells03:12

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
Biofuels01:25

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
Problem Solving: Volume01:13

Problem Solving: Volume

The volume of a fuel tank mounted on the wing of a jet aircraft can be modeled using the concept of solids of revolution. In this case, the tank is formed by rotating a two-dimensional region, defined by a mathematical function, about the x-axis. The region extends along the axis from zero to two meters, and the resulting three-dimensional shape is symmetric about the axis of rotation. Because the boundary curve lies directly against the axis, the disk method is an appropriate technique for...
Pumped Concrete01:13

Pumped Concrete

Concrete in large quantities can be pumped across long distances for placing in inaccessible sites. This system comprises a hopper that receives concrete from a mixer, a pump to propel the concrete, and pipelines that facilitate its delivery.
For direct-acting pumps, the concrete enters the pump via the inlet valve under the action of gravity and suction created by the movement of the piston. This concrete is then forced into the pipeline and out through the outlet valve by the forward movement...
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...

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Updated: May 22, 2026

Original Experimental Approach for Assessing Transport Fuel Stability
09:48

Original Experimental Approach for Assessing Transport Fuel Stability

Published on: October 21, 2016

Thinking ahead on diesel storage.

Kenny Berrie1

  • 1Dieselec Thistle.

Health Estate
|April 28, 2012
PubMed
Summary

Hospital standby generators rely on stored diesel fuel. New red diesel regulations necessitate updated storage strategies to prevent fuel degradation and ensure generator readiness during power outages.

Area of Science:

  • Engineering
  • Environmental Science
  • Health Administration

Background:

  • Hospitals maintain on-site diesel fuel for emergency generator backup power.
  • Traditional red diesel formulations have been subject to regulatory changes.
  • Fuel stagnation poses risks to generator functionality and hospital operations.

Purpose of the Study:

  • To inform hospital estates teams about upcoming changes in red diesel formulation.
  • To outline the implications of these changes for diesel fuel storage.
  • To advise on necessary adaptations to prevent fuel stagnation and ensure generator reliability.

Main Methods:

  • Analysis of new red diesel legislation and its impact on fuel properties.
  • Review of fuel storage best practices for standby generator systems.

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Last Updated: May 22, 2026

Original Experimental Approach for Assessing Transport Fuel Stability
09:48

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Published on: October 21, 2016

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation
11:31

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

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  • Consultation with technical experts in generator and fuel management.
  • Main Results:

    • The new red diesel formulation presents challenges for long-term storage.
    • Stagnation of stored diesel can lead to generator failure.
    • Proactive adjustments in storage methods are required to maintain fuel quality.

    Conclusions:

    • Hospitals must revise their diesel storage protocols to comply with new regulations.
    • Implementing updated storage solutions is crucial for maintaining business continuity.
    • Failure to adapt storage practices risks operational disruptions and financial costs.