refrigerator Articles

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Ozone-depleting substances 2015

by European Commission, Environment DG  (Sep. 16, 2016)

Aggregated data reported by companies on the import, export, production, destruction, and feedstock and process agent use of ozone-depleting substances in the European Union Executive Summary Background Chemicals known to harm the ozone layer have been successfully substituted in most parts of the world since 1989, when the Montreal Protocol on ...

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 ...

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, ...

Helping Laurel Asphalt to Fight Foul Odors and Be Good Neighbors

by OMI Industries (OMI)  (Sep. 13, 2016)

One of the unavoidable byproducts of the asphalt production process is a mixture of volatile hydrocarbons, mercaptans, hydrogen sulfide, and heat, which may cause a unique mixture of foul odors. When this happens, many asphalt producers have to contend with neighboring residents – often homes and businesses – that bring their odor ...

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 ...

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 ...

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 ...

Exergoeconomic optimisation of an aqua-ammonia absorption refrigeration system

by Inderscience Publishers  (Nov. 15, 2004)

Optimisation of thermal systems is generally based on thermodynamic analysis. However, the systems so optimised are often not viable due to economic constraints. In this paper, an attempt is made to minimise the overall operation and amortisation cost of an aqua-ammonia vapour absorption refrigeration system for air-conditioning application using ...

Refrigerant leak detection is heavily regulated by government agencies

by Verisae  (Apr. 28, 2008)

Refrigerant leak monitoring in refrigeration and air-conditioning (RAC) systems and heating, ventilation and air conditioning (HVAC-R) equipment is very challenging, even for the most skilled HVAC-R technician. The leak could be well concealed from view in tubing, a system component, or in an operating or safety control component. With the ...

Refrigerant leak creates environmental problems for businesses

by Verisae  (Feb. 18, 2009)

A great concern for companies is a refrigerant leak in their refrigeration and air-conditioning (RAC) system or heating, ventilation and air conditioning (HVAC) system. That’s because gases that escape during a refrigerant leak pollute and damage the environment. To better monitor and maintain the operation of these business assets, many companies ...

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