Zobrazeno 1 - 10
of 3 008
pro vyhledávání: '"R134a"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5019-5030 (2024)
Abstract Limited experimental research has been conducted on organic Rankine cycle (ORC) systems that use wet working fluids. Therefore, the present study examined how the performance of an ORC system that uses a wet working fluid (R134a) was affecte
Externí odkaz:
https://doaj.org/article/0221a9d4c0c44e36b9cd37edabe49743
Autor:
Giovanni A. Longo, Claudio Zilio
Publikováno v:
Case Studies in Thermal Engineering, Vol 64, Iss , Pp 105549- (2024)
This paper presents local condensation Heat Transfer Coefficients (HTCs) and temperature profiles of R134a and three low-GWP replacements, R1234yf, R1234ze(E), and R152a, within Brazed Plate Heat Exchangers (BPHEs). The measurement of local temperatu
Externí odkaz:
https://doaj.org/article/81a27f56dfe1439fb7ba483983894381
Publikováno v:
Green Energy and Resources, Vol 2, Iss 4, Pp 100101- (2024)
The global critical issue in energy scarcity should be appropriately solved to realize a sustainable society. Effective use of Rankine cycle is one possible way since it provides most of worldwide electricity production. In this paper, theoretical an
Externí odkaz:
https://doaj.org/article/48398e58eae34d089aeedd925bd62d3a
Autor:
Xin-Gang Zhu, Dong-Qing Zhu, Ming-Yu Shi, Zhi-Fu Zhou, Qin Zhao, Wen-Yu Jia, Ji-Xin Zhang, Rui Zhang
Publikováno v:
Case Studies in Thermal Engineering, Vol 64, Iss , Pp 105558- (2024)
The gurgling and hiss noise near thermal expansion valve (TXV) in automobile air conditioning gradually become prominent. However, the causes of noise from the flow-induced vibration (FIV) have not been confirmed. In this paper, the vibration, noise
Externí odkaz:
https://doaj.org/article/ddcfcdf7fbf74de6a2269cadee268f20
Autor:
D.M. Madyira, T.O. Babarinde
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 237-243 (2024)
Synthetic refrigerants are being phased out gradually in accordance with international environmental protection protocols because of global warming and ozone layer depletion. Adopting R290/R600 refrigerant, an environmentally friendly refrigerant, to
Externí odkaz:
https://doaj.org/article/6e36721fc0e143e2998dec22db171cc4
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Alpaslan Alkan
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e36719- (2024)
This study aimed to investigate the effect of changing the indoor unit air flow rate on the performance of an automobile heat pump with a suction line heat exchanger. Using a four-way valve, the automotive heat pump system was developed by reversing
Externí odkaz:
https://doaj.org/article/6f1f3bdca9e447af9390a1dcfc3487da
Autor:
Neeraj Kumar Vidhyarthi, Sandipan Deb, Sameer Sheshrao Gajghate, Sagnik Pal, Ajoy Kumar Das, Debabrata Barik, Milon Selvam Dennison
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 105101- (2024)
This paper experimentally investigates the factors influencing the flow boiling heat transfer of R134a refrigerant within smooth and micro-fin tubes having an outer diameter of 9.52 mm. The tube has a peculiar micro-fin shape with a 46° apex angle a
Externí odkaz:
https://doaj.org/article/b2564ee0ce0949e2a9181f0e00c73a53
Autor:
T.O. Babarinde, D.M. Madyira
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 326-331 (2023)
The efficiency of R600a, an eco-friendly refrigerant with TiO2, Al2O3, and SiO2 nanolubricants, was investigated and evaluated as a substitute for R134a in a vapour compression refrigerator system. Pressure gauges and K-type thermocouples were used t
Externí odkaz:
https://doaj.org/article/19113a622e274f3e98b6ddf29d07b56e
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 37, Iss 5, Pp 99-106 (2023)
In view of the heat dissipation of electronic components with high heat flux, five phase change heat transfer cold plates with different structures and processing methods were designed, the effects of cold plate structural parameters, heat flux, refr
Externí odkaz:
https://doaj.org/article/859adee0e5d3431089fea6f1ddc3d6c1