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Investigation of thermo-physical fluid properties effect on binary fluid ejector performance

El Hassan, Mouhammad; Assoum, Hassan H.; Bukharin, Nikolay - In: Energy reports 6 (2020) 2, pp. 287-292

Reverse-Rankine refrigeration/heat pump cycles. These widely used thermal cycles account for billions of kWh of electric … and consequently the COP of the refrigeration system. …

Persistent link: https://www.econbiz.de/10012179484

A review on thermoelectric cooling parameters and performance

Enescu, Diana; Virjoghe, Elena Otilia - In: Renewable and Sustainable Energy Reviews 38 (2014) C, pp. 903-916

This paper deals with a review of the main research aspects concerning the formulation of the parameters indicating the characteristics and performance of thermoelectric cooling devices, with particular reference to a number of recent publications. The specific aspects addressed include some...

Persistent link: https://www.econbiz.de/10010906644

Development of a semi-analytical model to select a suitable airfoil section for blades of horizontal axis hydrokinetic turbine

Gupta, Mahendra Kumar; Subbarao, P. M. V. - In: Energy Reports 6 (2020) 1, pp. 32-37

All modern hydro-kinetic turbines are being designed based on a lift, using airfoils, which should have a significant lift to drag ratio to achieve maximum efficiency.SG604X family airfoil has significant lift-to-drag ratio under an operating range of Re from 105-106, which also come under our...

Persistent link: https://www.econbiz.de/10012652068

Development of a semi-analytical model to select a suitable airfoil section for blades of horizontal axis hydrokinetic turbine

Gupta, Mahendra Kumar; Subbarao, P. M. V. - In: Energy reports 6 (2020) 1, pp. 32-37

Persistent link: https://www.econbiz.de/10012176439

Update and extension of the When2Heat dataset

Ruhnau, Oliver; Muessel, Jarusch - 2022

The "When2Heat" dataset comprises synthetic national time series for heat demand and heat pumps' coefficient of performance (COP) in hourly resolution. Heat demands for space and water heating are computed by combining gas standard load profiles with spatial temperature reanalysis data and...

Persistent link: https://www.econbiz.de/10012820580

Thermodynamic performance of R32/R152a mixture for water source heat pumps

Lee, Ho-Saeng; Kim, Hyeon-Ju; Kang, Dong-gyu; Jung, Dongsoo - In: Energy 40 (2012) 1, pp. 100-106

Air-conditioning and heat pumping performance of R32/R152a mixture is measured in the composition range of 20–50% R32 with an interval of 10% for the comparison with HCFC22 in a water source heat pump bench tester. Tests are carried out under the same capacity in the bench tester equipped with...

Persistent link: https://www.econbiz.de/10011054601

A review on solar cold production through absorption technology

Hassan, H.Z.; Mohamad, A.A. - In: Renewable and Sustainable Energy Reviews 16 (2012) 7, pp. 5331-5348

refrigeration is a mature technology that has proved its applicability with the possibility to be driven by low grade solar and … waste heat. In this study, we present a comprehensive literature review on absorption based refrigeration and air …

Persistent link: https://www.econbiz.de/10010664492

A review on solar-powered closed physisorption cooling systems

Hassan, H.Z.; Mohamad, A.A. - In: Renewable and Sustainable Energy Reviews 16 (2012) 5, pp. 2516-2538

Cooling, refrigeration, and air conditioning processes are considered essential needs and major requirements for all … problems. Adsorption refrigeration systems that are driven by solar energy are mature technologies. They are proven to be … suitable and applicable for refrigeration as well as air-conditioning applications. Solar adsorption cooling technology is …

Persistent link: https://www.econbiz.de/10010573445

Performance analysis of greenhouse dryer by using insulated north-wall under natural convection mode

Chauhan, Prashant Singh; Kumar, Anil - In: Energy Reports 2 (2016), pp. 107-116

A prototype north wall insulated greenhouse dryer has been fabricated and tested in no-load conditions under natural convection mode. Experimentation has been conducted in two different cases. Case-I is when solar collector placed inside the dryer and Case-II is North wall insulated greenhouse...

Persistent link: https://www.econbiz.de/10011937682

Comparative economic assessment of the energy performance of air-conditioning within the Mexican residential sector

Oropeza-Perez, Ivan - In: Energy Reports 2 (2016), pp. 147-154

This work shows a sensitivity analysis of the economic impact of different energy performances of air-conditioning within the Mexican housing sector. For this purpose, a cooling-load calculator program in function of the indoor temperature is developed. The program also calculates the...

Persistent link: https://www.econbiz.de/10011937687

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