refrigerator Articles

  • The benefits of monitoring compressed air

    Compressed air is used in many manufacturing processes for many different reasons, from the actuation and control of pneumatic valves and cylinders to the operation of process machinery and tooling. It can also be used as a transport medium for bulk materials or as a purge gas. For all its uses it is nonetheless expensive. This is why, through detailed monitoring, a business can enjoy the ...


    By Contrec Europe Limited

  • What is a ton of refrigeration?

    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 understanding the size of a refrigeration system in ...


    By Power Knot LLC

  • Leaking Refrigerators - Sorted

    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 bacteria from producing the ...


    By Cleveland Biotech Ltd.

  • The Elimination of Ethylene in Domestic Refrigerators

    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, is a widespread practice designed to provide a ...


    By Bioconservacion SA

  • Applying Refrigerant Codes

    Administering limits for the amount of refrigerant that can be discharged into a space in the event of a leak Some years ago, two young and inexperienced technicians were called to work on a large refrigerant system. The system was not working properly because of an incorrectly installed valve. In their attempt to fix the system, the technicians caused a leak in the piping at the tank, which ...


    By Evapco Inc.

  • Ethylene removal in domestic refrigerators

    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. Ethylene removal from the environment, both in storage chambers and transport containers, where it is stored in the form of gas, is a widespread practice designed to provide a ...


    By Bioconservacion SA

  • EPA compliance - Refrigerant Management

    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 ...


    By IHS

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

    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 evaporator and condenser temperatures. The ...


    By Inderscience Publishers

  • Walk-in refrigerators and freezers at a Prestigious hotel

    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 more energy efficient, the hotel engaged Power Knot ...


    By Power Knot LLC

  • Refrigerant gas management (case study)

    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. Assuming an average cost of $6 per ...


    By Verisae

  • New handling system for refrigerator degassing

    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 ...


    By ATN Engineering B.V.

  • Minimizing Refrigerant Emissions in HVAC Systems

    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 ...


    By IHS

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

    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 working pressure and temperature range of ...


    By Inderscience Publishers

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

    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 is analysed, emphasising their contribution to the ...


    By Inderscience Publishers

  • Nitrogen Refrigerated Trucks a New Trend? An Alternative to Diesel Powered Refrigeration

    Nitrogen Refrigerated Trucks a New Trend? An Alternative to Diesel Powered Refrigeration Thanks to technological innovations, the food distribution industry has a greener way to protect refrigerated food during transit: Nitrogen refrigeration. The existing system relies on diesel-powdered mechanical refrigeration units. Although these units are effective, they release ...

  • Landfill remediation with refrigerants and chlorinated solvents

    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 solid wastes were disposed of in the pits ...


    By GEO Inc

  • Exergy analysis of an adsorption refrigeration machine

    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 the adsorption and desorption processes due to ...


    By Inderscience Publishers

  • Thermoeconomic design optimisation of a refrigeration evaporator

    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. The tube diameter, the air velocity and the fin ...


    By Inderscience Publishers

  • Realistic limitations to the operation of heat-driven refrigerators

    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 a maximum. In addition, it is shown that the curve ...


    By Inderscience Publishers

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