Showing 1 - 10 of 29
refrigeration and air-conditioning processes of various kinds. Low-temperature heat operated environment-friendly adsorption cooling … bigger sizes of adsorption based cooling units, due to their low specific cooling power, are preventing successful … commercialization of the technology. Efforts are on to enhance the performance of adsorption systems through improvements in adsorbents …
Persistent link: https://www.econbiz.de/10010688058
In this study, a thermally driven adsorption cooling unit using natural zeolite–water as the adsorbent–refrigerant pair …°C evaporator temperatures, the COP of the adsorption cooling unit is approximately 0.25 and the maximum average … of the cooling unit are a shell and tube adsorbent bed, an evaporator, a condenser, heating and cooling baths …
Persistent link: https://www.econbiz.de/10011041074
restriction in the external air flow stream while ensuring maximum contact time, thus optimizing the cooling duty of the device. A … comparison was established with the conventional evaporative cooling methodology. The proposed cooling system consisting of heat …
Persistent link: https://www.econbiz.de/10010594014
aims at the experimental and numerical evaluation of the effect of the key operating parameters on the transient … area of 300cm2. By employing a validated transient two-phase mathematical model of a PEMFC with a dead-end anode, numerical …
Persistent link: https://www.econbiz.de/10010906285
supercooling degree of TiO2 nanofluids was found to be closely related to the adsorption density of SDS, that is, large adsorption … densities resulted in low supercooling degrees. When the saturation adsorption density of SDS on TiO2 nanoparticles was reached …
Persistent link: https://www.econbiz.de/10010789901
respect, adsorption using solid sorbents has the potential, in terms of energy saving, to complement or replace the current …. Effectiveness of CO2 adsorption has been assessed in terms of the moles of CO2 adsorbed per unit mass of adsorbent, the breakthrough … enhancing the adsorption process and, on the other hand, confirm that sound assisted fluidization of fine solid sorbents is a …
Persistent link: https://www.econbiz.de/10010718948
Adsorption cooling is a promising technology that can effectively utilize waste heat from many industrial processes for … refrigeration and air conditioning. Commercially available adsorption systems are based on silica gel/water, zeolites/water and … activated carbon/ammonia pairs. These suffer from various limitations including: achieving cooling below zero for refrigeration …
Persistent link: https://www.econbiz.de/10011040345
adsorption of CO2 at low partial pressures. These appealing low-cost adsorbents have competitive CO2 working capacities and high …
Persistent link: https://www.econbiz.de/10011040349
This paper presents the performance testing of Zeolite adsorption cooling system driven by low grade waste heat source … vapor adsorbate. The key advantages of the Zeolite adsorption cooling system are: (i) it has no moving parts rendering less … maintenance, (ii) the energy efficient means of cooling by the adsorption process with a low temperature heat source, (iii) the …
Persistent link: https://www.econbiz.de/10011040564
adsorption (AD) cycle operating at sub-atmospheric pressures and temperatures. By hybridizing the conventional MED with an AD …
Persistent link: https://www.econbiz.de/10011040803