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Date: 2015/10/01
Subject: Environment | Safety
Language: en
Identifier: tut:3399
Description: Tough environmental laws and stringent government policies have revolutionised the refrigeration sector, especially concerning the cycle fluid known as the refrigerant. It has been observed that only ... More
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Date: 2015/07/14
Language: en
Type: Text
Identifier: tut:3187
Description: In this paper, results of a thermodynamic analysis using the entropy generation minimisation method for a parabolic trough receiver tube making use of a synthetic oil–Al2O3 nanofluid as a heat transfer ... More
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Date: 2015/05/25
Language: en
Type: Text
Identifier: tut:3126
Description: In this paper, results of a thermodynamic investigation using the entropy generation minimization method for fully developed turbulent forced convection in a circular tube using water–Al2O3 nanofluid a ... More
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Date: 2015/02/06
Language: en
Type: Text
Identifier: tut:3145
Description: The stability of biodiesel is dependent on storage conditions such as contact with ambient air and metals, exposure to sunlight and high temperature conditions which accelerate oxidation reactions. In ... More
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Date: 2015
Language: en
Type: Text
Identifier: tut:3029
Description: The fatty acid methyl esters (FAME)produced from vegetable oils, animal fats, or waste oils known as biodiesel has attracted attention as possible replacement of fossil fuels. The fuel properties of b ... More
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Date: 2015
Language: en
Type: Text
Identifier: tut:3001
Description: Models for estimating monthly average daily global solar radiation were developed for South African provinces. These models, in addition to the traditional sunshine hours used in existing models incor ... More
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Date: 2015
Language: en
Type: Text
Identifier: tut:2627
Description: Heat pump drying (HPD) is an energy efficient and environmentally friendly drying method. Heat pumps (HPs) deliver more heat during the drying process than the work input to the compressor. The perfor ... More
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Date: 2015
Subject: Capillary tube | COP
Language: en
Type: Text
Identifier: tut:2624
Description: Refrigeration systems play paramount roles in life quality of human beings and social development in terms of food security, environmental impact, and energy efficiency. The traditional CFC, HCFC, and ... More
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Date: 2015
Subject: Carbon dioxide | COP
Language: en
Type: Text
Identifier: tut:2628
Description: A CO2 water to water heat pwnp system was used to investigate the effects of cooling and chilling water inlet temperature at reduced charge capacity (approximately 75% of the full charge). The tempera ... More
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Date: 2015
Language: en
Type: Text
Identifier: tut:3679
Description: With the recent advances in technology, the use of higher concentration ratios has become feasible and shown potential to reduce the cost of electricity from parabolic trough collector systems. With t ... More
Date: 2014
Language: en
Type: Text
Identifier: tut:3251
Description: In this study, the specific mechanical energy (SME) response of a dry type single screw extruder (Length to Diameter ratio (L/D) 12:1, Compression Ratio (CR) 4.5:1) developed locally was investigated ... More
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