refrigerator Articles

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Leaking Refrigerators - Sorted

by Cleveland Biotech Ltd.  (Mar. 1, 2011)

FridgeFree has been proven to eliminate the problem of leaking refrigerators by eradicating the gel that blocks the drain pipes leading to the floods. The natural solution to refrigerator gel blockages; improving customer experience and revenue protection. Features: Discretely installed on the affected drain line Disrupts the resident ...

What is a ton of refrigeration?

by Power Knot LLC  (Mar. 6, 2010)

Commercial refrigeration systems in the US are mostly rated in tons of refrigeration and this term is used widely in other parts of the world. However, outside the US, cooling systems may be normally specified in kW (or MW) or in Btu/h. The roots for refrigeration are in the ice making industry, and the ice manufacturers wanted an easy way of ...

The Elimination of Ethylene in Domestic Refrigerators

by Bioconservacion SA  (Jul. 21, 2015)

Ethylene is a plant hormone produced naturally by fruit and other plant tissues. It is known as the ripening hormone because it regulates the series of processes associated with the ripening and senescence of fruit. Eliminating ethylene from the environment, both in storage chambers and transport containers, where it is stored in the form of gas, ...

EPA compliance - Refrigerant Management

by IHS  (May 23, 2005)

Everyone's Responsibility Today, the environment is everyone's responsibility. Are you taking an active part to keep it clean? We've all heard about the ozone layer. Ozone depletion in the atmosphere has become an increasing problem ...

Exergy analysis of a vapour-compression refrigerating system using R410A as refrigerant

by Inderscience Publishers  (May 20, 2009)

In this study, the first and second laws of thermodynamics are employed to analyse the performance of an experimental Vapour-Compression Refrigerating Machine (VCRM) using R410A. The exergy method is used to evaluate the irreversibility of each component when some working parameters are varied. The dimensionless exergy loss rate of each component ...

Exergy based refrigerant selection and simulation of auto refrigeration cascade (ARC) system

by Inderscience Publishers  (Nov. 15, 2004)

This paper deals with the selection of refrigerants and simulation of Auto Refrigeration Cascade (ARC) system, which is generally used for low temperature applications in the range of -40 to -150°C that operates with zeotropic mixture, containing two or more refrigerants with different boiling points. The selection of refrigerants depends on the ...

Refrigerant gas management (case study)

by Verisae  (Sep. 25, 2009)

Executive Summary Refrigerant leaks are one the highest maintenance expenses for organizations using or maintaining gas. In addition to compliance, management of refrigerant is important from a cost perspective. A typical 100-store supermarket chain operates with 400,000 lbs. of refrigerant within their refrigeration and air conditioning systems. ...

Walk-in refrigerators and freezers at a Prestigious hotel

by Power Knot LLC  (Dec. 14, 2012)

The Mark Hopkins Hotel in San Francisco is one of the most prestigious hotels in the city. It takes pride in the care and comfort of its guests. The refrigeration systems keep food cold or frozen. These are critical components of the hotel’s food service and it is paramount that no system be taken out of service. With a view to becoming ...

New handling system for refrigerator degassing

by ATN Engineering B.V.  (Jul. 15, 2015)

New handling system for refrigerator degassing ATN more and more receives request from customers (especially from outside Europe) for automatic handling systems. Refrigerators are becoming bigger and bigger. In countries like the USA the weight of a fridge can be well over 150kg. In order to avoid ...

Irreversibility analysis of a compression refrigeration cycle using natural refrigerants for a sustainable future

by Inderscience Publishers  (Mar. 16, 2012)

Irreversibility analyses of R290, R717, R718 and R744 are carried out in a compression refrigeration cycle. The effects of evaporator temperature, condenser temperature and isentropic efficiency on the irreversibility of the cycle and its basic components are investigated and exergy analysis of the cycle is also presented as a function of ...

Thermoeconomic design optimisation of a refrigeration evaporator

by Inderscience Publishers  (Jun. 30, 2008)

An exergoeconomic optimisation analysis is presented considering the main three component exergy destruction: the pressure losses IΔΡ, temperature difference IΔΤ and specific humidity gradient IΔω. The sum of the annual capital cost, Zev, and the cost of compensation for the total exergy destruction is taken as the optimisation objective function. ...

Exergy analysis of an adsorption refrigeration machine

by Inderscience Publishers  (Jan. 17, 2007)

This paper presents an original model of exergy analysis of an adsorption refrigeration machine, connected with irreversible processes of heat and mass transfer during the functioning stages. The difficulty of such approach is related to the non-stationary character of the thermodynamic processes. Thus, the highest destruction of exergy appears in ...

Landfill remediation with refrigerants and chlorinated solvents

by Good Earthkeeping Organization Inc (GEO)  (Oct. 13, 2010)

PROJECT DESCRIPTION Between 1979 and 1980, industrial and hazardous wastes were disposed of at the Site in a series of unlined pits, each of which was used for a particular type of waste disposal. It is reported based on evaluations of manifests that approximately 3.4 million gallons of hazardous liquid wastes and between 3,700 and 4,100 tons of ...

Minimizing Refrigerant Emissions in HVAC Systems

by IHS  (May 23, 2005)

Managing the operation and maintenance of a facility's air conditioning equipment has always been a major responsibility, as chillers often represent the single largest electrical load in a facility. Since the annual cost of operating chillers is a major ...

Realistic limitations to the operation of heat-driven refrigerators

by Inderscience Publishers  (Jan. 17, 2007)

The optimal characteristic curve relating the COP and the refrigeration rate of an irreversible heat-driven refrigerator is established on the basis of a thermodynamic model which combines the endoreversible model and the heat leak insulation model. It is found that the curve is loop-shaped and that both the refrigeration rate and the COP exhibit ...

“FridgeFree™” - The permanent natural solution to leaking refrigerators

by Cleveland Biotech Ltd.  (Apr. 1, 2011)

Cleveland Biotech Ltd has recently developed another market defining biological product - FridgeFree™. This is the natural solution to the problem of leaking refrigerators caused gel blockages condensate drains. Cleveland Biotech Ltd has recently developed another market defining biological product – FridgeFree™. This is the ...

Andover, Vapor Extraction and Refrigerated Condensation Case study

by In-Situ Oxidative Technologies, Inc (ISOTEC) - Soil & Groundwater Remediation  (May 13, 2014)

Vapor Extraction and Refrigerated Condensation was used as a primary source removal technology to remediate high concentrations of recalcitrant chlorinated solvent compounds at the WDE Site in Minnesota. The use of Refrigerated Condensation has achieved high mass removal rates and will reduce the lifecycle costs and time of remediation. History ...

EPA mandates proper refrigerant gas recovery processes

by Verisae  (Apr. 8, 2009)

New EPA regulations require facilities that use air conditioning and refrigeration equipment to have a refrigerant recovery plan in place. The plan is needed to make sure that any harmful gases that might leak are captured. Refrigerant gases contain hydrochlorofluorocarbons, known to cause severe damage to the ozone layer and to promote global ...

Refrigerator standards and their impact on United States society

by Inderscience Publishers  (Apr. 28, 2014)

This paper addresses criticisms of US Federal appliance efficiency standards and whether or how the imposition of efficiency standards on household refrigerators and freezers in the US affects prices, supply, and various other attributes. The study is based on historical data about changes in standards for household refrigerators along with data ...

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