Refrigeration systems
Characterization of refrigeration systems in the Portuguese food processing industry
... The type of refrigerant used in refrigeration systems was also evaluated. It can be seen from Fig. 5 that industries still resort to fluids that have been banned, such as R22 (6%). There is also a great use ...
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Energetic evaluation of refrigeration systems of horticultural industries in Portugal
... During the field work we found that in establishments selling products to traders, in the morning the products are removed from the chambers and placed in the center of the facilities, often without air conditioning to ...
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Experimental testing of a resistive sensor for monitoring frost formation in refrigeration systems
... to refrigeration systems once it reduces the performance of the ...these systems operate with temperature below zero and the air mixture has a certain amount of water vapor in ...
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Further development and experimental testing of a resistive sensor for monitoring frost formation in refrigeration systems
... and refrigeration systems, more specifically on the fin-and-tube evaporators has been studied for several years, and yet it is the main cause of inefficiency (Popovac, et ...
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Energetic and exergetic analyses of carbon dioxide transcritical refrigeration systems for hot climates
... 2 refrigeration system is evaluated based on energetic and exergetic ...2 refrigeration systems demonstrate that optimal operation conditions cannot al- ways be ...2 refrigeration system is to ...
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Effect of refrigeration systems upon frozen bull sperm viability assessed by computer-assisted sperm analysis and fluorescent probes
... As for the semen stabilization in both commercial refrigerator (CR) and transport/ refrigeration box (TRB) Table 2, the extender A (glicine egg-yolk) 70.4±6.4 mm/s and extender B (glicine egg-free) 66.9±9.7 mm/s ...
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Monitoring device of ice formation in evaporator surface of refrigeration systems
... It has necessary to set up some procedures related to the device and its operation in order to obtain reliable and accurate data measured by the sensor. One of these procedures is related to the position and orientation ...
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Remoção de impurezas em sistemas de refrigeração industrial / Impure removal in industrial refrigeration systems
... AMMONIA REFRIGERATION), quanto maior a concentração de água na amônia, menor será a sua capacidade de refrigeração e dessa forma os equipamentos do sistema não removerão toda a carga térmica para a qual foram ...
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PERFORMANCE STUDY OF A TWO STAGE SOLAR ADSORPTION REFRIGERATION SYSTEM
... adsorption refrigeration system attains a considerable attention in 1970s due to the energy crisis and ecological problems related to the use of CFCs and ...adsorption refrigeration technology has a ...
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Influence of Cooling on the Glycolysis Rate and Development of PSE (Pale, Soft, Exudative) Meat
... The results showed retardation of the glycolysis rate promoted by refrigeration treatments. Under these conditions, it seemed that PSE meat formation is induced by refrigeration since this color abnormality ...
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Análise de sistemas frigoríficos destinados a bebidas de pressão
... Refrigeration systems for draught beverages are usually available in all kinds of catering services, being responsible to cool down different kinds of beverage from the environment temperature down to ...
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cytef2016 paper rd00
... thermal systems and simple control systems is possible in a post-secondary technical ...in refrigeration industry is taken into account and considering future needs for skilled refrigeration ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.33 número2
... compression refrigeration systems which consists of a theoretical model that splits the coefficient of performance into four terms: (i) the coefficient of performance of an ideal cycle (Carnot), (ii) the ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.33 número2
... conditioning systems due to the modulation On-Off and concluded that the intermittent operation of the system causes other inconveniences, such as the additional energy consumption to start up the ...a ...
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Combined Refrigeration Cycle for Thermal Power Plant Using Low Grade Waste Steam
... many refrigeration systems present for refrigeration and air condition ...air refrigeration, vapour compression, vapour absorption ...working refrigeration plant. By using such concept ...
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Time to Shift from Systems Thinking-Talking to Systems Thinking-Action; Comment on “Constraints to Applying Systems Thinking Concepts in Health Systems: A Regional Perspective from Surveying Stakeholders in Eastern Mediterranean Countries”
... information required for guiding any necessary adjustments to implementation. Complex systems respond to change in unpredictable ways, so allowing for flexibility during the implementation of a change is ...
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ASSESSMENT OF MICROBIAL LOAD OF SAUSAGES PREPARED FROM DIFFERENT COMBINATION OF SPENT DUCK AND SPENT HEN MEAT
... The freshly prepared and stored different combination of sausages were evaluated for the Coliform organism but TCC was nil in all groups throughout the refrigeration storage periods and within the group on each ...
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Control of Listeria monocytogenes growth in soft cheeses by bacteriophage P100
... under refrigeration for seven days, the bacteriophage P100 was only weakly antilisterial, with the lowest decimal reduction (DR) for the cheeses: ...under refrigeration for seven ...
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Respiration rate of Golden papaya stored under refrigeration and with different
... of refrigeration at 13 °C and low content of O 2 , the use of atmospheres con- taining high concentrations of CO 2 (up to 12 %) had a negligible effect on reducing the respiration rate of papa- ...
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Influence of temperature and packaging type on quality parameters and antimicrobial properties during Yateí honey storage
... Characteristically, the meliponid honey presents higher humidity than the honey of Apis mellifera (Almeida, 2002; Souza et al., 2006; Vit et al., 1994). At the time of the honey dew (t o ) the sample presented a humidity ...
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