Energy Efficiency and Management in Food Processing by Lijun Wang

By Lijun Wang

Energy potency, environmental safeguard, and processing waste administration proceed to draw elevated consciousness within the meals processing undefined. As with different business sectors, lowering expenditures whereas additionally lowering environmental influence and bettering total sustainability is changing into a massive a part of the company technique. offering useful counsel, Energy potency and administration in nutrients Processing amenities explores strength potency applied sciences, rising power effective procedures, and techniques for changing foodstuff processing wastes into strength.

Organized round 5 important subject matters, the publication explores:

  • Fundamentals of power conservation, research, and management
  • Energy conservation applied sciences as utilized to the nutrition processing industry
  • Energy potency and conservations in present nutrition processing systems
  • Emerging systems
  • Energy conversion applied sciences for usage of foodstuff processing wastes

Conservation ideas that enhance the base line

The lack of understanding on power conservation and conversion applied sciences has been an incredible barrier to power potency development and the usage of processing wastes within the nutrition processing undefined. With assurance starting from easy thought to conventional and substitute power, this publication offers the mandatory ability set for the elevated strength conservation and lowered intake that may definitely influence the base line in foodstuff processing amenities.

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Example text

The continuity equation can be expressed on a basis of either mass flow or volumetric flow rate. 60) . 60, m· is the mass flow rate, (kg/s), V is the volumetric flow rate, (m3/s), r is the density, (kg/m3), A is the cross-sectional area of the conduit, and u- is the average velocity, (m/s). 60 is applicable to any fluid flow. 61) Fluid flow also follows the law of energy conservation. Energy within a system is neither created nor destroyed. However, it can be transformed from one form to another.

Calculate the total heat loss to the surroundings under a steady-state condition. 19 × 10 −2 oC/W From the above equation, we know that the outside convection is the dominant contribution to the overall thermal resistance. The wall conduction makes a negligible contribution to the overall thermal resistance. In order to decrease the overall heat transfer rate, insulation should be considered to increase the thermal resistance of the wall conduction. However, in order to increase the overall heat transfer rate, the outside convection should be enhanced to reduce its thermal resistance.

01 m/2 10/15/2008 10:43:50 PM 10 Energy Efficiency and Management in Food Processing Facilities From the above example, we can see that the cooling load or energy consumption varies significantly during cooling. The transient cooling load or energy consumption profiles should be considered as an important factor for optimizing the operation of the refrigerator and minimizing its energy consumption. 9) The advantage of using the thermal resistance concept is significant when we study conduction in a multilayer wall made of several materials of different thermal conductivities and thicknesses.

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