Study on the Concentration Difference Energy System

Isshiki, Naotsugu

doi:10.1515/jnet.1977.2.2.85

Cited by 17 publications

(2 citation statements)

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“…Desiccants are also used for the drying of crops, and KO and McCormick [3] have estimated that they are capable of achieving energy savings of up to 50% over conventional heated-air drying systems. Issihiki [4] proposed the use of liquid desiccants for heating, refrigeration, power generation by use of multistage absorption units, and as a method of saving industrial waste heat by concentrating dilute solutions of liquid desiccants, which can be used later on as a source of energy. Tucker and Sherwood [5] proposed the use of concentrated hygroscopic solutions as a means of removing water vapour from liquid foods, such as coffee extract, under low absolute pressure.…”

Section: Liquid Desiccantsmentioning

confidence: 99%

Concentration of liquid foods using desiccants: An experimental study

Gandhidasan¹,

Mohammed²

1993

Int. J. Energy Res.

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Liquid foods are often partially dehydrated to reduce their water content so as to enhance their storage stability. Evaporation, which consumes large amounts of energy, is the most widely used operation for concentrating liquid foods. The paper describes a novel system to concentrate liquid foods by using liquid desiccants. In the proposed system, water vapour, evaporated from the liquid food at reduced pressure, passes to the liquid desiccant, where it is absorbed while liberating its latent heat. The liquid desiccant temperature thereby increases. The warm liquid desiccant can then be used to provide a portion of the thermal energy for the evaporation of the water in the liquid food. A vertical, double‐falling‐film evaporator which uses calcium chloride solution was built and was used to concentrate liquid foods. The experimental set‐up was tested to study the influence of the liquid‐desiccant flow rate, the liquid‐food flow rate, and the liquid‐desiccant concentration and temperature. Some of the experimental results are discussed in this paper.

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Section: Liquid Desiccantsmentioning

confidence: 99%

Concentration of liquid foods using desiccants: An experimental study

Gandhidasan¹,

Mohammed²

1993

Int. J. Energy Res.

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“…Analogously with the systems described above it may be economically profitable to collect dispersed forms of energy at various points and to transport the collected energy later to central conversion and distribution plant. 79 Chemical heat pumps can work at temperatures higher than those needed for residential heating. They can be used for storage of high-temperature heat*25 for load equalization in power s t a t i~n s .…”

Section: T H E Current Development Of the Absorption Processmentioning

confidence: 99%

the absorption process for heating, cooling and energy storage—an historical survey

Bjurström

Raldow

1981

Int. J. Energy Res.

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The principle of the absorption process is described and its versatility demonstrated. A wide range of applications, from household refrigerators to topping processes in power plants, are surveyed in an historical perspective. the production of mechanical energy and open systems are also included. Modern developments are reviewed, special attention being given to the aspets of thermal energy storage.

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Electrical Dissipative Structures in Membrane‐Coupled Compartment Systems

1984

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Reaction-diffusion systems with charged particles are studied. Conditions for the arising of electrical dissipative structures in a compartment system consisting of two boxes separated by a membrane are derived. The appearance of a polar dissipative structure is proved for a simlpe capacitor model in combination with a simple second order chemical kinetics which leads to an analytically solvable problem. Electrical dissipative structures can in principle be considered as non equilibrium electrical batteries. The theoretical efficiency of such batteries is estimated. Elektrische Dissipative Strukturen in Membrangekoppelten SystemenInhaltsubersicht. Es werden Reaktions-Diffusiomsysteme mit geladenen Teilchen studiert.Bedingungen fiir die Entatehung elektrischer dissipativer Strukturen in einem Kompartment-System, bestehend aus ewei durch eine Membran getrennten Zellen werden abgeleitet. Die Entatehung einer polaren dissipativen Struktur wird fiir ein einfaches Kondensrttorenmodell in Kombination mit einer einfachen chemischen Kinetik, das analytische Losbarkeit gestattet, nachgewiesen. Elektrische dissipative Strukturen konnen im Prinzip als elektrische Batterien fern von Gleichgewicht betrachtet werden. Der theoretische Wirkungsgrad einer solchen Batterie wird berechnet.

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Study on the Concentration Difference Energy System

Cited by 17 publications

References 0 publications

Concentration of liquid foods using desiccants: An experimental study

Concentration of liquid foods using desiccants: An experimental study

the absorption process for heating, cooling and energy storage—an historical survey

Electrical Dissipative Structures in Membrane‐Coupled Compartment Systems

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