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Journal articles on the topic 'Refrigeration'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

KHOROLSKY, Valentyn, Oleksandr OMELCHENKO, Yurii KORENETS, Volodymyr HONCHARENKO, and Yulіya PETRUSHYNA. "REFRIGERATION SUPPLY OF REFRIGERATION CHAMBERS OF SMART INDUSTRIAL REFRIGERATORS WITH NEURON-FUZZY CONTROL SYSTEMS OF FOOD FREEZING PROCESSES." Herald of Khmelnytskyi National University 303, no. 6 (2021): 264–71. http://dx.doi.org/10.31891/2307-5732-2021-303-6-264-271.

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A set of theoretical, methodological and practical problems associated with the creation of an intelligent complex for adaptive control of microclimate parameters, the processes of freezing food products in the refrigerating chambers of an industrial refrigerator has been studied. Accordingly, for this task, the structure of the neural network controller of the refrigeration capacity of refrigeration machines of the process control system of an industrial refrigerator was developed, in which information enters the database, a neural network with a learning module and turns into decision-making

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Zhang, Hua, Xu Ji, Ming Li, Qiang Wang, and Xiang Bo Song. "A Comparative Study on Solar Refrigeration Technology." Applied Mechanics and Materials 541-542 (March 2014): 887–91. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.887.

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This paper performed a comparative study on solar photovoltaic refrigeration technology and solar adsorption refrigeration technology. The experimental results showed that in sunny day, COP of the solar fin pipe adsorption refrigerator was 0.13, and was higher than 0.12, COP of the photovoltaic refrigerator. With the solar radiation enhancement within a certain range, the COP of solar adsorption refrigerator increased faster than COP of solar photovoltaic refrigerator. From the aspects of economy, with the same refrigerating capacity, the cost of the adsorption refrigerators was 30% higher tha

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Surtukov, Danil P. "MONITORING OF CUSTOMER-CENTRIC BEHAVIOR IN THE REFRIGERATION MARKET AS A FACTOR IN DETERMINING MARKETING STRATEGIES." EKONOMIKA I UPRAVLENIE: PROBLEMY, RESHENIYA 7/3, no. 147 (2024): 102–7. http://dx.doi.org/10.36871/ek.up.p.r.2024.07.03.013.

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The article notes that according to the results of marketing research by leading marketing associations, consumer behavior in the refrigeration market will change under the influence of changes in the volume of the global refrigerator market. An assessment of the results of analytical studies of the volume of global sales of refrigerating appliances is presented, indicating the forecast values. The refrigeration market is customer-oriented and customercentric, and this important factor is taken into account when forming government programs for market development, because it is a multifunctiona

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Ruzikulov, Gulom, Umidjon Ibragimov, Shakhriyor Ergashev, Sokhiba Shamurotova, and Malika Nurova. "Mathematical modeling of the refrigerating chamber of a combined solar dryer-refrigerator with a heat pump." E3S Web of Conferences 524 (2024): 02007. http://dx.doi.org/10.1051/e3sconf/202452402007.

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Mathematical modeling appears to be a valuable tool for controlling the cooling and storage process of agricultural products. Therefore, mathematical modeling of the balance of heat and mass in refrigeration chambers is relevant. Mathematical modeling of the thermal regime of the thermal regime of a refrigeration chamber with a heat pump and determining temperature changes depending on time. Mathematical modeling is carried out based on the thermal balance of the refrigerating chamber by the method of conservation of mass and energy. It has been established that cooling and long-term storage o

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KHOROLSKY, Valentyn, Yurii KORENETS, Yulіya PETRUSHYNA, and Ivan RASCHEKHMAROV. "IMPROVEMENT OF SYSTEMS FOR MONITORING AND CONTROLLING THE PROCESS OF FREEZING PRODUCTS IN REFRIGERATING CHAMBERS OF INDUSTRIAL REFRIGERATORS." Herald of Khmelnytskyi National University 305, no. 1 (2022): 247–55. http://dx.doi.org/10.31891/2307-5732-2022-305-1-247-255.

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The article proposes a set of theoretical and practical attributes associated with design decisions regarding the processes of freezing meat products in refrigerators with a large load capacity of industrial refrigerators. A system of intelligent sensors has been developed to control the parameters of the geometry of the carcass of cattle meat and signs of the state of the evaporators of the refrigeration chamber and the refrigeration supply system of an industrial refrigerator. An automatic recognition system has been developed that works in real time and determines: geometric parameters of l

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Fot, A.N. "Calculation Features of the Combined Schemes of Cooling of Refrigeration Units Condensers." Problemele Energeticii Regionale 1(36) (April 15, 2018): 36–43. https://doi.org/10.5281/zenodo.1217251.

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Modern requirements for energy saving and decrease in environmental pollution demandrevisingclassical technical and technology solutions of refrigeration unit production. Composite cooling application of refrigeration units allows condensers to reduce pollution of fresh waters, to reduce consumption of electric energy, to reduce condensation pressure, to use natural cold of the environment. In this work approach to thermal and mass balance determination of the refrigeration units with the combined cooling of condensers with intermediate discharge of liquid coolant between condensers of wateran

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7

Chaugule, Anand. "LOW-COST OPERATING LPG REFRIGERATOR SYSTEM." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 06 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem35699.

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The study explores the use of liquefied petroleum gas (LPG) as a refrigerant in domestic refrigerators to provide continuous refrigeration in areas without steady electricity supply. LPG, consisting of propane, butane, and isobutene, is cost-effective and environmentally friendly with no Ozone Depletion Potential or Global Warming Potential. The experiment compared the performance of an LPG-based refrigerator to one using R134a, finding LPG to be more efficient. By analyzing the refrigeration effect over time, the study determined the optimum cooling effect based on valve and capillary tube se

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Yermolenko, M. V., and A. M. Sovetkazyeva. "ANALYSIS OF THE CYCLE OF A STEAM COMPRESSION REFRIGERATING MACHINE WHEN WORKING ON VARIOUS REFRIGERATING AGENTS." Bulletin of Shakarim University. Technical Sciences 1, no. 2(14) (2024): 334–41. http://dx.doi.org/10.53360/2788-7995-2024-2(14)-41.

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Currently, more and more attention is being paid to the problem of effective application of ozone-safe refrigerating agents used in the cycles of vapor-compression refrigeration machines. This has become especially important when a number of ozone-safe refrigeration agents have a large global warming index, which has recently been unacceptable with respect to the environment worldwide. Therefore, conducting studies to evaluate the performance of new refrigerating agents as a result of replacing some refrigerating agents with others is an urgent task. At the same time it is necessary to try to

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Syahyuniar, Rusuminto, Muhammad Rezki Fitri Putra, Agustian Noor, and Yuli Fitriyani. "PERANCANGAN SIMULATOR SISTEM SIRKULASI PENDINGIN." ELEMEN : JURNAL TEKNIK MESIN 8, no. 2 (2022): 96–100. https://doi.org/10.34128/je.v8i2.180.

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The refrigerator is an electric household appliance that uses refrigeration (cooling process) to help preserve food. The refrigerator works using a phase change heat pump operating in a refrigeration cycle. The refrigeration engine is a circuit capable of working to produce cold temperatures or temperatures. The manufacturing process; The first is that the compressor is connected to a copper pipe (there is a valve), a condenser, filter, capillary tube, evaporator, and back to the compressor. Tool advantage refrigerator refrigeration simulator is a switch, thermometer, k3 symbol, labeling compo

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Kasi, Parthiban, and M. Cheralathan. "Review of cascade refrigeration systems for vaccine storage." Journal of Physics: Conference Series 2054, no. 1 (2021): 012041. http://dx.doi.org/10.1088/1742-6596/2054/1/012041.

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Abstract Various models are already developed to achieve the refrigerating effect. Each refrigeration system has its own set of benefits and drawbacks, as well as a unique application. The vapor compression refrigeration system and the sorption refrigeration system are the two most prominent refrigeration technologies that may be utilized for a variety of purposes. In the medical profession, cascade refrigeration will be established in the storage of blood banks, plasma, vaccines, bone banks, biological fluids storage, etc. Storing heat-sensitive vaccines at the right temperature is crucial ye

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KHOROLSKY, Valentyn, Yurii KORENETS, Oleksandr OMELCHENKO, and Volodymyr HONCHARENKO. "REFRIGERATION MACHINES IN THE SYSTEM OF CONSISTENT MANAGEMENT OF ELECTRIC ENERGY CONSUMPTION OF THE COMPLEX ENTERPRISE-INDUSTRIAL REFRIGERATOR." Herald of Khmelnytskyi National University. Technical sciences 313, no. 5 (2022): 200–212. http://dx.doi.org/10.31891/2307-5732-2022-313-5-200-212.

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The strategy of the coordinated management of electric consumption of the industrial refrigerator of the enterprise of a food complex on production of foodstuff is offered. The structure of the integrated intelligent power management system of the refrigerator enterprise has been developed, in which the systems of automated control of electricity metering and control of the refrigeration trajectory of refrigeration chambers are built-in. The system uses a situation center, industrial Internet of Things (IIoT), digital platform “FOOD” with software (freezing of food products). According to the

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Monastyrsky, Dmitry Y., and Igor G. Kiselev. "Efficiency of LNG cold energy recovery in standalone refrigerated containers." Modern Transportation Systems and Technologies 11, no. 2 (2025): 246–60. https://doi.org/10.17816/transsyst681999.

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AIM. The paper discusses the process environment of liquefied natural gas (LNG) cold energy recovery from the fuel system of a standalone refrigerated container (reefer container). To evaluate the efficiency of LNG cold energy utilization. MATERIALS AND METHODS. The authors determined the refrigeration potential of the LNG regasification process and a developed a thermal design of the refrigeration plant. RESULTS. The paper describes a cascade refrigeration plant with LNG and carbon dioxide circuits. The authors assess the expected effect of cold energy utilization during LNG regasification in

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Liu, Hui, Jin Hua Li, and Hong Xiao. "Research on the Application of Alternative Refrigerants R407C and R410A in Refrigeration-Type Compressed-Air Dryers." Applied Mechanics and Materials 672-674 (October 2014): 1739–42. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1739.

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The coefficient of performance (COP), the volumetric refrigeration capacity and the pressure ratio of refrigeration cycle were studied in a refrigeration-type compressed-air dryer using environmentally friendly refrigerants R410A and R407C and compared with those using R22. Study indicates that under the working condition of a refrigeration-type compressed-air dryer, COP using R410A is 3% higher than that using R407C, the volumetric refrigeration capacity using R410A is 50 percentage points higher than that using R407C and the pressure ratio of R410A is 10% less than that of R407C. COP using R

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Adler, Eytan J., Benjamin J. Brelje, and Joaquim R. R. A. Martins. "Thermal Management System Optimization for a Parallel Hybrid Aircraft Considering Mission Fuel Burn." Aerospace 9, no. 5 (2022): 243. http://dx.doi.org/10.3390/aerospace9050243.

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Electrified aircraft propulsion enables new aircraft designs with fewer emissions. One challenge of electrified architectures is handling the electrical components’ waste heat. This is because batteries and other electrical components are sensitive to high temperatures and accumulate heat within their structure. In this work, we investigate using a thermoacoustic refrigerator to cool the battery of a parallel hybrid single-aisle commercial transport aircraft. This thermoacoustic refrigeration system is powered by waste heat from the turbofan engine core, whereas a conventional refrigerator con

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Adler, Eytan J., Benjamin J. Brelje, and Joaquim R. R. A. Martins. "Thermal Management System Optimization for a Parallel Hybrid Aircraft Considering Mission Fuel Burn." Aerospace 9, no. 5 (2022): 243. http://dx.doi.org/10.3390/aerospace9050243.

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Electrified aircraft propulsion enables new aircraft designs with fewer emissions. One challenge of electrified architectures is handling the electrical components’ waste heat. This is because batteries and other electrical components are sensitive to high temperatures and accumulate heat within their structure. In this work, we investigate using a thermoacoustic refrigerator to cool the battery of a parallel hybrid single-aisle commercial transport aircraft. This thermoacoustic refrigeration system is powered by waste heat from the turbofan engine core, whereas a conventional refrigerator con

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Mikraj, Hadimi, Joni Rahmadi, Dina Marlina, Rusadi Rusadi, and Edi Karyadi. "Design Models of Equipment Vapor Compression Refrigeration Cycle To Support Practicum Heat Engine And Fluid Engineering." Vokasi: Jurnal Publikasi Ilmiah 19, no. 1 (2024): 7–15. http://dx.doi.org/10.31573/jv.v19i1.781.

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The learning method acts as an educational facility that functions to convey learning material to achieve learning goals. It takes creativity from lecturers and those responsible for the teaching and learning process, especially practicum. The results of the study entitled Design Models of Equipment Vapor Compression Refrigeration Cycle To Support Practicum Heat Engine And Fluid Engineering Subject produce a model of a practicum tool that can be used to carry out some practicum contents for refrigeration engines. This model of Vapor Compression Refrigeration Cycle can do several practicums in

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Kudrov, Yu V., L. V. Sumzina, A. V. Maksimov, and S. L. Filimonov. "Calorimetric stand for research of processes in the refrigeration unit." Herald of Dagestan State Technical University. Technical Sciences 49, no. 2 (2022): 18–23. http://dx.doi.org/10.21822/2073-6185-2022-49-2-18-23.

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Objective. The aim of the work is to develop a calorimetric stand that allows simulating the operation of an energy-efficient two-evaporator refrigeration unit of a household refrigerator or freezer.Method. In the course of the work, a calorimetric setup is described that allows conducting experimental studies to determine the cooling capacity and energy efficiency of a modernized refrigeration unit of a household refrigerator.Result. Currently, new resource-saving circuit solutions for household refrigeration equipment have been developed. The developed solutions make it possible to increase

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Raut, Ashish, and Uday Wankhede. "Review of investigations in eco-friendly thermoacoustic refrigeration system." Thermal Science 21, no. 3 (2017): 1335–47. http://dx.doi.org/10.2298/tsci150626186r.

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To reduce greenhouse gas emissions, internationally research and development is intended to improve the performance of conventional refrigeration system also growth of new-fangled refrigeration technology of potentially much lesser ecological impact. This paper gives brief review of research and development in thermoacoustic refrigeration also the existing situation of thermoacoustic refrigeration system. Thermoacoustic refrigerator is a novel sort of energy conversion equipment which converts acoustic power into heat energy by thermoacoustic effect. Thermoacoustic refrigeration is an emergent

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Amir, Khopatkar Rahil Kazi Tushar Pansare Siddhi Parnerkar Prof. A. V. Karande. "Design And Fabrication Of Cooling Chamber By Using Thermoelectric Effect." International Journal of Advanced Innovative Technology in Engineering 9, no. 3 (2024): 89–92. https://doi.org/10.5281/zenodo.11894600.

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The design of the refrigeration is based on the principle of thermometric module (i.e. Peltier effect) to generate a hot side and a cold side. This refrigerator consists of thermometric module to provide the refrigerating effect with insulated cabin, thermostat and charging unit. Thermometric elements perform the same cooling function as Freon-based vapour compression or absorption refrigerators. The cold side of the thermometric module is used for refrigeration purposes. Whereas, the rejection of heat from the hot side of the module done with the help of heat sinks and fan. Thermometric modul

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20

Sungkar, Ali A., Firman Ikhsan, M. Afin Faisol, and Nandy Putra. "Performance of Thermoelectrics and Heat Pipes Refrigerator." Applied Mechanics and Materials 388 (August 2013): 52–57. http://dx.doi.org/10.4028/www.scientific.net/amm.388.52.

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Most of refrigerators commonly use the conventional refrigeration system known as Vapor Compression Refrigeration System becoming a big issue lately due to ozone depleting substance it uses as the refrigerant. This paper will shows step by step of an experiment with the objective of constructing a refrigeration system based on thermoelectric which is reliable and compete able with the Vapor Compression Refrigeration System. The designing of this refrigeration system shows attention to the environment that is combined with the knowledge so the environmental friendly technology can be applied. T

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Prof.S.P.Joshi1, Miss. Vaishnavi Mali2 &. Miss. Varsha Tayade3. "A REVIEW ON PERFORMANCE ANALYSIS OF SOLAR VAPOR ABSORPTION REFRIGERATION SYSTEM USING NANOF LUID." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES [NC-Rase 18] (November 22, 2018): 64–68. https://doi.org/10.5281/zenodo.1493984.

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This review paper focuses on the use of Nanofluid additive refrigerants in vapor compression refrigeration system (VCRS) because of their amazing development during Thermo Physical along with heat transfer potential to improve the coefficient of performance (COP) and reliability of refrigeration system. Ammonia absorption refrigeration has attracted attention due to its low refrigerating temperature and the absence of crystallization as well as good performance under vacuum conditions. However, its efficiency is still lower than the mechanical compression refrigeration system at present. The q

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Chang, Jincai, Qiuling Pan, Zhihao Shen, and Hao Qin. "Intelligent Prediction of Refrigerant Amounts Based on Internet of Things." Complexity 2020 (February 3, 2020): 1–12. http://dx.doi.org/10.1155/2020/1743973.

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In a refrigeration unit, the amount of refrigerant has a substantial influence on the entire refrigeration system. To predict the amount of refrigerant in refrigerators with the best performance, this study used refrigerator data collected in real time via the Internet of Things, which were screened to include only the effective parameters related to the compressor and refrigeration properties (based on their practical significance and the research background) and cleaned by applying longitudinal dimensionality reduction and transverse dimensionality reduction. Then, on the basis of an idealiz

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Alrwashdeh, Saad, Handri Ammari, Mahmoud Hammad, and Heening Markotter. "Experimental investigation of the effect of using different refrigerant gases on refrigerator performance." Jordan Journal of Energy 1, no. 1 (2022): 60–71. http://dx.doi.org/10.35682/jje.v1i1.2.

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An experimental study of the performance of a refrigerator using two refrigerants R-134a and R-410A has been conducted. The R-134a was the original design refrigerant, while the R-410A was the drop-in refrigerant. The study was performed on a small refrigerator charged with each refrigerant alone at nearly the same ambient conditions. Temperatures at various locations in the refrigeration system were measured using thermocouples during the running of the experiments, and the data collected were processed into performance refrigeration parameters. The results have indicated that both the refrig

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Shandhosh Shree, K. K., R. Jaysrani, S. Keerthika, S. Swetha, and M. Vijayalakshmi. "A Thermoelectric Refrigerator Using Arduino." Middle East Journal of Applied Science & Technology 06, no. 02 (2023): 85–90. http://dx.doi.org/10.46431/mejast.2023.6210.

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Refrigerator and air conditioners are the most energy consuming home appliances and for this reason many researchers had performed work to enhance performance of the refrigeration systems. Most of the research work done so far deals with an objective of low energy consumption and refrigeration effect enhancement. Thermoelectric refrigeration is one of the techniques used for producing refrigeration effect. Thermoelectric devices are developed based on Peltier and Seeback effect which has experienced a major advances and developments in recent years. The coefficient of performance of the thermo

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Hristov, Hristo, Apostol Simitchiev, and Donka Stoeva. "Influence of the capillary pipe geometry on the energy efficiency of household refrigerator." E3S Web of Conferences 207 (2020): 01013. http://dx.doi.org/10.1051/e3sconf/202020701013.

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The energy efficiency of household refrigerating appliances was measured according to EN TSO15502. A Liebherr TKP 1650 built-in Domestic refrigerator is used to determine the influence of the capillary pipe geometry. The temperatures at the injection site of the refrigerant, the inlet and outlet of the evaporator receiver were measured. The obtained results show that there is no universal optimal geometry of the capillary pipe. There is no element of the refrigeration cycle whose change has no effect on the refrigerant flow rate passing through the capillary pipe. A change in the geometry of c

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Petushenko, S. "Cooling System for Primary Low Temperature Processing and Storage of Grains of Small Frachioned." Refrigeration Engineering and Technology 53, no. 5 (2017): 52–58. http://dx.doi.org/10.15673/ret.v53i5.852.

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The analysis of different aspects of grain refrigeration on elevators of Ukraine, Commonwealth of Independent States (CIS) and in the world is carried out. The advantage of the refrigeration method is shown concerning the quality and of energy conservation. A comparative analysis of various types of refrigeration machines operating on ozone-friendly refrigerants has been carried out. It is shown that it is more profitable to use heat that is worked out from refrigerating machines.

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Bolaji, Bukola Olalekan, Olatunde Ajani Oyelaran, Israel Olutunji Abiala, Tunde Oluwatoyin Ogundana, and Semiu Taiwo Amosun. "Energy and Thermal Conductivity Assessment of Dimethyl-Ether and its Azeotropic Mixtures as Alternative Low Global Warming Potential Refrigerants in a Refrigeration System." Environmental and Climate Technologies 25, no. 1 (2021): 12–28. http://dx.doi.org/10.2478/rtuect-2021-0002.

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Abstract Substituting Hydrofluorocarbons with natural refrigerants in domestic refrigerators will significantly reduce the direct contributions of fluorinated gases to global warming which will be of great environmental benefit. In this study, the performances of dimethyl-ether (RE170) and its azeotropic mixtures (R510A and R511A) in a refrigeration system were assessed theoretically and compare with that of conventional refrigerant. The study revealed that the three investigated alternative refrigerants exhibited significantly good heat transfer characteristics, low pressure ratio, high laten

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G, Anusha,. "REFRIGERATION USING PELTIER EFFECT." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem29990.

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Refrigerators are being used nowadays, There are various types of refrigeration systems available in the market, each with advantages and disadvantages of its own. Using a thermoelectric cooling system will maintain a consistent temperature throughout and be lightweight, portable, and simple to use. This makes it perfect for the transportation and storage of live human organs as well as medications, immunizations, and blood banks. The gadget can be utilized in cars as long as the vehicle has a 12V DC source. The thermoelectric cooler is a new technique that has many advantages. At its prototyp

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Eltyshev, I. P., S. N. Kopylov, N. V. Golov, and I. R. Begishev. "On Potential Fire Hazard of Use of Environmentally Friendly Refrigerants in Refrigeration Equipment." Occupational Safety in Industry, no. 2 (February 2024): 24–29. http://dx.doi.org/10.24000/0409-2961-2024-2-24-29.

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Today, the most common domestic electric equipment is a household refrigerator. The use of flammable substances as refrigerants for refrigerators can lead to severe consequences. As the production of hydrofluorocarbon class refrigerants for refrigeration equipment was restricted by the Kigali amendment to the Montreal Protocol, refrigeration technologies have been transferred from using hydrofluorocarbon class refrigerants to natural refrigerants (propane, butane, isobutane). The replacement of hydrofluorocarbon class refrigerants with natural refrigerants is already noticeable since in many c

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Dubey, Gautam A., Vinay R. Chaurasia, Amit Kumar, S. Chaurasiya, Vidyesh T. Churi, and M. A. Gulbarga. "Design and Fabrication of Solar Powered Portable Medical Refrigerator for Remote and Rural areas based on Peltier Effect." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 903–9. http://dx.doi.org/10.22214/ijraset.2022.41380.

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Abstract: The medicine and vaccine require to store in the refrigerator the continuous provision of electrical energy is required so that their efficacy is not affected. This represents an important problem for rural areas where there is no continuous electrical energy. In this work, we design a solar energy system for refrigeration of cold storage medicines to be used in rural towns without giving continuous electrical. The system uses a thermoelectric refrigerator based on the Peltier effect, which produces a temperature difference when electrical power is provided to it. It will be shown th

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Kudrov, Yu V. "Entropy-statistical analysis of the efficiency of cycles of refrigeration units of household refrigerators." Herald of Dagestan State Technical University. Technical Sciences 49, no. 4 (2023): 16–25. http://dx.doi.org/10.21822/2073-6185-2022-49-4-16-25.

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Objective. The aim of the work is to determine the thermodynamic efficiency of the modernized refrigeration unit of a household refrigerator compared to the basic model using the entropystatistical method.Method. В ходе работы при проведении исследований применен научный метод системного анализа, а также энтропийно-статистический метод термодинамического анализа при определении эффективности холодильного цикла бытового холодильника.Result. The analysis of the distribution of energy costs to compensate for the production of entropy by the nodes of the refrigeration unit is carried out. This ana

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Tragangoon, Arruck, Khemapat Tontiwattanakul, Montri Ngamprukvanit, and Chayanon Serttikul. "Design and Development of Performance Rating Apparatus for Cold Room Refrigeration Unit Using Cooling-Load Balance Method." E3S Web of Conferences 428 (2023): 01006. http://dx.doi.org/10.1051/e3sconf/202342801006.

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Refrigeration systems are composed of many components working together, and their refrigerating capacity depends upon these components constituting the refrigeration system. The design of the refrigeration system does not only consider cooling loads from products but also the operating conditions that change from time to time, especially the ambient temperatures due to global warming and climate change. Therefore, this work aims to develop the apparatus for performance rating of the cold room’s refrigeration unit according to the ASHRAE standard test methods as well as the Eurovent certificati

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La Rocca, Vincenzo, Antonio Messineo, Massimo Morale, and Domenico Panno. "A Testing Facility for Refrigerating Plants Equipment Working with New Fluids." Applied Mechanics and Materials 291-294 (February 2013): 1696–700. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1696.

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A test rig was built in the department of energy, in laboratory of refrigerating engineering for test runs with a lot of fluid and equipment of various kind for commercial refrigeration. The facility has been continuously improved during the past years and allows to perform experiments aiming to assess the performance characteristics both of conventional and new equipment for commercial refrigeration. In the test rig can be tested a lot of cooling loop filled with a secondary fluid for simulation of their behavior in industrial and commercial plants (e.g.: during exploitation in supermarket an

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Krivtsov, D. V., and A. F. Porutchikov. "Development and investigation of refrigerating machine with dosage filling ammonia." Izvestiya MGTU MAMI 8, no. 1-3 (2014): 88–91. http://dx.doi.org/10.17816/2074-0530-67596.

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The paper considers the low refrigeration capacity ammonia refrigerating machine. New technical solutions are proposed to decrease ammonia capacity, to scale-up the operating safety and to provide self-acting unsupervised automatic mode. The method of constructing a mathematical model and analysis of the refrigeration machine operation is described.

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Bhoge, Dipak, Avinash Kamble, B. K. Sonage, Neeraj Agrawal, Swami Prasad, and Damdare Shridhar. "An Experimental Study of a Thermoelectric Cooling Unit Powered by Solar." Journal of Thermoelectricity, no. 2 (June 25, 2025): 49–59. https://doi.org/10.63527/1607-8829-2025-2-49-59.

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Solar-powered Thermoelectric Refrigeration (TER) provides a promising alternative to conventional cooling methods, reducing dependence on traditional electricity sources and mitigating environmental impact. The TER system boasts an extended lifespan and minimal maintenance requirements. Positioned as an economical solar-powered solution, TER is an accessible refrigeration option for individuals and in remote desert regions where grid electricity is unavailable. This study focuses on assessing the performance of TER. The research introduces a novel portable solar-powered thermoelectric refriger

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Taha, Hiba Hadi, Faten Noori Mula Abed, and Jehaan Mowfak Al-Rawi. "Isolation and Identification of Fungal Species Contaminating the Refrigerators." Al-Kitab Journal for Pure Sciences 9, no. 01 (2025): 103–16. https://doi.org/10.32441/kjps.09.01.p7.

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Refrigeration is one of the most widely used methods to control the growth of microorganisms in food products. A number of isolates was 433, including 363 isolates from refrigeration and 70 isolates from freezers. The fungus Cladosporium sp. is the large number in both refrigeration and freezer, 187 and 28, respectively, and the lowest numbers of fungi such as Rhizopus stolonifer, Rhizoctonia solani, and Fusarium sp., many fungi were isolated from refrigeration, while fungal isolates from freezing were less numerous and less diverse. Molecular identification of Cladosporium sp. because it is t

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Voron, Oleg. "PECULIARITIES OF UNIVERSAL BODY DESIGN FOR INNOVATION REFRIGERATOR CARS." Bulletin of Bryansk state technical university 2021, no. 8 (2021): 77–86. http://dx.doi.org/10.30987/1999-8775-2021-8-77-86.

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There are considered analysis results of stress-strain state in the load-bearing structure of three versions of refrigerator cars with different arrangement solutions of refrigerating-heating plants (RHP) and a thermos car at its cooling with liquid nitrogen.  By means of the “APM WinMachine” application there are presented model parameters of a basic universal body. The analysis of calculation results has shown sufficient strength and potentialities for updating an available car metal structure for the application as a universal body of a refrigerator car.  Work purpose: the estim

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Patel, Wasim Babulal, Pranav G. Charkha, Amol V. Joshi, and Jitendra N. Wadadkar. "Utilization of Waste Heat from Condenser of Domestic Refrigerator for Water Heating." IOP Conference Series: Materials Science and Engineering 1259, no. 1 (2022): 012010. http://dx.doi.org/10.1088/1757-899x/1259/1/012010.

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Abstract Conservation of energy is very important factor in economic and financial development of country. Refrigeration system utilizes enormous amount and lost from refrigerator is also a major concern which ultimately rejected to atmosphere causing rise in temperature. On the other hand electricity is consumed to heat water. So it is necessary to utilize this rejected heat. In this paper the extracted heat from refrigeration is used to heat water by utilizing water cooled condenser without affecting COP of the system. The setup is installed on domestic refrigerator containing condensing coi

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JUNG, HAE WON, WONJAE YOON, HYUN JOON CHUNG, and YONGCHAN KIM. "PERFORMANCE CHARACTERISTICS OF A BYPASS TWO-CIRCUIT REFRIGERATION CYCLE DESIGNED FOR REFRIGERATORS." International Journal of Air-Conditioning and Refrigeration 18, no. 02 (2010): 141–47. http://dx.doi.org/10.1142/s2010132510000241.

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In this study, the performance characteristics of a bypass two-circuit refrigeration cycle designed for refrigerators were investigated in a bench scale refrigeration system. The bypass two-circuit refrigeration cycle with R600a operates in two modes of refrigerator/freezer-mode (RF-mode) and freezer only-mode (F only-mode) by switching refrigerant flow path. The performance of the bypass two-circuit refrigeration cycle was measured by varying the condenser capacity, the length of the suction line heat exchanger (SLHX), and the refrigerant charge amount with adoption of the refrigerant storage

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MBAP, S. T., J. S. BUTSWAT, and A. M. AFEGBUA. "SOME QUALITY PARAMETERS OF LOCAL AND EXOTIC CHICKEN EGGS UNDER DIFFERENT STORAGE CONDITIONS." Nigerian Journal of Animal Production 23, no. 2 (2021): 174–78. http://dx.doi.org/10.51791/njap.v23i2.2363.

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A study was conducted to investigate different storage conditions viz: refrigeration, oiling, washing eggs and storing in black polythene of eggs and a control which comprised eggs not treated and stored in transparent polythene bags for 20 days on local and exotic chicken eggs conditions, to determine the best storage conditions. Eggs stored in the refrigerator maintained desirable Internal quality followed by eggs intensely oiled, and Eggs stored in polythene bags. Eggs kept as control had the least desirable internal quality.For short eggs storage up to 10 days,refrigeration, oiling, washin

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Baranov, Igor' Vladimirovich, Andrey Anatol'evich Pivinskiy, Sergey Aleksandrovich Dubrovin, Mariya Sergeevna Tutova, and Sergey Andreevich Sorokin. "Analiz luchshikh mirovykh praktik podgotovki kadrov v sfere kholodil'noy tekhniki i konditsionirovaniya i vozmozhnosti ikh primeneniya na territorii Leningradskoy oblasti." Refrigeration Technology 109, no. 4 (2020): 32–35. http://dx.doi.org/10.17816/rf104053.

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This article analyzes the international experience of training personnel in the field of refrigeration and air conditioning, as well as the application of the best world practices in the territory of the Leningrad region. The experience of such countries as France, Denmark, Germany, the Netherlands, Australia, Canada, the United Kingdom of Great Britain and China is considered. The greatest attention is paid to the system of professional education in the field of refrigeration technology of the Chinese People’s Republic. This country already has the largest refrigerating testing center in Asia

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Oni, Taiwo O., Bernard A. Adaramola, David Bamidele, et al. "Temperature characteristics of a wood-insulated refrigeration system for chilling and preservation of agricultural products." Thermal Science and Engineering 7, no. 1 (2024): 6137. http://dx.doi.org/10.24294/tse.v7i1.6137.

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The scarcity of the insulators that are required for refrigeration has made it necessary to use locally available materials that can achieve the desired refrigeration. This work presents the performance evaluation of a refrigerator utilizing a locally available material, which is wood particles that have been converted to particle board, as one of its insulators. A vapor compression refrigeration system was designed and fabricated to chill and preserve agricultural products, which are eggs, yogurt, and tomatoes. The various temperatures at which the agricultural products became chilled were co

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Zhai, Xiaowei, Yu Xu, Zhijin Yu, and Kai Wang. "Proposed liquid CO2 cycle refrigeration system for heat hazard control." MATEC Web of Conferences 240 (2018): 05038. http://dx.doi.org/10.1051/matecconf/201824005038.

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Liquid CO2 can absorb heat via phase change and generates cryogenic CO2 which can effectively solve the problem of thermal damage in the deep coal mining process. The CO2 cycle refrigeration device system is designed to effectively cool down the working surface of the mine in which CO2 is cyclically utilized. COMSOL Multiphysics simulation software is used to characterize the CO2 cycle refrigeration system in mine of the heat transfers process between CO2 and the air flow in tunnel. The results show that the reduction of steady air flow temperature reach at 8 °C in the tunnel by CO2 cycle refr

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Ji, A. Min, Tian Tian, and Bo Ning Tang. "Study on Solar Energy for Pre-Cooling Technology of Fruit and Vegetable." Applied Mechanics and Materials 700 (December 2014): 37–41. http://dx.doi.org/10.4028/www.scientific.net/amm.700.37.

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This paper discusses the importance of per-cooling vegetable and fruit, establishes a mathematical model of the solar adsorption refrigeration system collector bed. It applies activated carbon - methanol as working pairs, takes solar vacuum tube－water cooled collector bed for refrigerating, adsorption temperature and adsorption rate versus time are calculated , draw the corresponding curve figure. Analyses solar adsorption refrigeration system performance and puts forward the improvement direction.

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Semenov, Alexander Evgenyevich, and Aleksander Ivanovich Andreev. "Optimization of operating modes of ship refrigeration plant with artificial cold accumulator." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2023, no. 3 (2023): 65–73. http://dx.doi.org/10.24143/2073-1574-2023-3-65-73.

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The ways of optimizing the operation of a refrigeration unit for fishing and refrigerated vessels with the additional inclusion of artificial cold storage devices are investigated. For this purpose, a new technology of cold storage has been developed on the basis of a refrigerating machine with direct contact between media and ice production. The refrigerant RC318 was taken as freon which does not form crystalline hydrates. Based on this, the optimization of the operation of a single-stage refrigeration machine was carried out using the Lagrange multiplier method for the target function of ene

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Yadav, Varun, Supradeepa Panual G, Neeraj Yadav, Ratnam Bordia, Rohini Soni, and Rinkesh Khandey. "Design and Fabrication of Solar Powered Vapour Absorption Refrigeration System." E3S Web of Conferences 170 (2020): 02011. http://dx.doi.org/10.1051/e3sconf/202017002011.

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Engineering is all about the application of knowledge and ideas for continuous development in society. In today’s world, there is a strong need for an environment-friendly refrigerating system, therefore, our focus is on a solar powered vapour absorption refrigeration system. This project focuses on a cooling system that minimizes the dependency over electricity and to show our ability to save our resources for future generations. The objective of this work was to design and fabricate a vapour absorption refrigeration system, using LiBr-H20, as the refrigerants and powered by solar energy. Per

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Bazzo, Walter. "Foams for Refrigeration Applications." Cellular Polymers 11, no. 6 (1992): 450–56. http://dx.doi.org/10.1177/026248939201100602.

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Rigid polyurethanes have been used in the manufacture of household appliances for three decades. Their use has helped turn refrigerator manufacture into a major world activity, allowing completely new approaches to design and production. This paper reviews the polyurethane properties that have enabled the domestic refrigeration industry to grow and describes current manufacturing and assembly techniques. Issues such as CFC phase-out, and the manufacturing implications, are discussed, along with likely trends for the future. It shows that for the polyurethanes industry to be an effective suppli

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Gonçalves, R. S. R., B. Jacob-Furlan, E. C. Kollross, et al. "A MATHEMATICAL MODEL OF AN ABSORPTION REFRIGERATION SYSTEM FOR A REFRIGERATED STORAGE FOR FISHING BOATS." Revista de Engenharia Térmica 21, no. 1 (2022): 25. http://dx.doi.org/10.5380/reterm.v21i1.86688.

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The objective of this paper is to determine if it is possible to refrigerate an area by means of a heat source. Theory determines that an absorption refrigerator can work as a possible solution through a refrigeration fluid. According to it, the system works by the evaporation or condensation of the working fluid. The traditional process consists of using engine fuel to run an electric compressor and by its means achieve refrigeration. That process has its toll on fuel economy and engine efficiency and the refrigeration fluid damages the ozone layer or is based on the transportation of ice pre

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Радченко, Микола Іванович, Євген Іванович Трушляков, Сергій Анатолійович Кантор, Богдан Сергійович Портной та Анатолій Анатолійович Зубарєв. "МЕТОД ВИЗНАЧЕННЯ ТЕПЛОВОГО НАВАНТАЖЕННЯ СИСТЕМИ КОНДИЦІЮВАННЯ ПОВІТРЯ ЗА МАКСИМАЛЬНИМ ТЕМПОМ ПРИРОЩЕННЯ ХОЛОДОПРОДУКТИВНОСТІ (на прикладі кондиціювання повітря енергетичного призначення)". Aerospace technic and technology, № 4 (14 жовтня 2018): 44–48. http://dx.doi.org/10.32620/aktt.2018.4.05.

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It is justified the necessity of taking into consideration changes in thermal loads on the air conditioning system (heat and moisture treatment of air by cooling it with decreasing temperature and moisture content) in accordance with the current climatic conditions of operation. Since the effect of air cooling depends on the duration of its use and the amount of cold consumption, it is suggested that it be determined by the amount of cold spent per year for air conditioning at the GTU inlet, that is, for annual refrigerating capacity. The example of heat-using air conditioning at the inlet of

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K.M.Odunfa and Lasisi A.L. "NUMERICAL SIMULATION OF THE PERFORMANCE OF A SOLAR ASSISTED VAPOUR COMPRESSION REFRIGERATION SYSTEM." Engineering and Technology Journal 06, no. 07 (2021): 949–58. https://doi.org/10.47191/etj/v6i7.01.

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R esearch has established that a considerable part of the electrical energy produced globally is been consumed by refrigerators and air - conditioning systems. I n th is area of cooling technology , research is therefore being geared towards energy reduction in t he cooling devices. In addition to this approach, alternative sources of energy such as renewable energy , like solar is also being explored in this area of refrigeration and cooling technology . Studies have also been conducted generally both experimentally and numerically to simulate the performance of Vapor Compression Refrigeratio

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