Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Pavel Charvát"'
Publikováno v:
Chemical Engineering Transactions, Vol 103 (2023)
This paper presents a numerical modelling approach to investigate convective heat transfer in a rectangular cavity filled with a Phase Change Material (PCM), specifically organic paraffin-based Rubitherm RT 35 HC. Natural convection occurs during bot
Externí odkaz:
https://doaj.org/article/fc7dfae11d5f476a98ee4476417fa2e2
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
University campuses, as well as other workplaces, provide great opportunity for electric vehicle (EV) charging. A simulation model was created in GAMS (General Algebraic Modeling System) for the optimization study concerning charging infrastructure a
Externí odkaz:
https://doaj.org/article/54dc5fedb8e1490591985fd0df087b11
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
Energy storage is going to play an important role in the transition to carbon-neutral energy production. Heat is the form of energy that is relatively easy to store, even over long periods of time. Despite their relatively slow take off as a thermal
Externí odkaz:
https://doaj.org/article/0958ccab860743fdbdfe441772919e42
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
Many engineering problems involve heat transfer with phase change and their solution often lead to challenging heat transfer problems having no direct solution. A direct solution in this respect means the determination of the thermal behaviour of a s
Externí odkaz:
https://doaj.org/article/8f6ed13abb4746dabdfc9507d6e88edb
Publikováno v:
Chemical Engineering Transactions, Vol 88 (2021)
Some engineering heat transfer problems cannot be solved directly as certain parameters influencing heat transfer are unknown. This is where the solution of inverse heat transfer problems might be utilized. The paper explores application of the Parti
Externí odkaz:
https://doaj.org/article/647c0dcdb7e243538a6fdcfa210e2e98
Publikováno v:
Chemical Engineering Transactions, Vol 88 (2021)
Water spray cooling by spray nozzles is used in many technological and engineering applications, ranging from cooling of electronic devices to metal processing in steelmaking. In the latter case, the setup of water spray cooling have a significant in
Externí odkaz:
https://doaj.org/article/4459f99bdfb84b2fb1427e7578f479a1
Publikováno v:
Chemical Engineering Transactions, Vol 81 (2020)
Solar radiation is a clean and renewable source of energy, which can be employed in various forms. In contrast to electricity, the use of solar energy in the form of heat is simple and straightforward. Solar air collectors (SAC), which convert solar
Externí odkaz:
https://doaj.org/article/0ef5317ef4894e1eb88c6f57dab13bbd
Publikováno v:
Chemical Engineering Transactions, Vol 81 (2020)
Phase change materials (PCMs) and thermal energy storage (TES) represent a way toward sustainable utilization of renewable energy resources. An air-PCM thermal storage unit integrated in solar systems is a device, which employs the latent heat TES to
Externí odkaz:
https://doaj.org/article/ff8bc604b3904cad84f68cb411e365b6
Publikováno v:
Energies, Vol 12, Iss 17, p 3236 (2019)
The paper presents a parametric study evaluating the effects of various predictive controls on the operating parameters of heat pumps. The heat pump represents a significant power appliance in the residential sector. Its connection to the heat accumu
Externí odkaz:
https://doaj.org/article/8cda73b076be42f8b8edcd0c71946a09
Publikováno v:
Energies, Vol 12, Iss 6, p 1133 (2019)
The energy saving potential (ESP) of passive cooling of buildings with the use of an air-PCMheat exchanger (cold storage unit) was investigated through numerical simulations. One of the goals of the study was to identify the phase change temperature
Externí odkaz:
https://doaj.org/article/c8270e81f3d446ca8c755f7c5bb6fee3