Cooling effect characteristic of the novel half-cycle refrigeration system on a liquefied petroleum gas (LPG) fueled vehicle

Waluyo, Budi; Setiyo, Muji; Purnomo, Bagiyo Condro; Rochman, Muhammad Latifur; Habibi, Ilham; Saleh, Arif Rahman; Suyitno, Suyitno; Fatmaryanti, Siska Desy; Kolakoti, Aditya

doi:10.1016/j.tsep.2022.101405

Cited by 2 publications

(2 citation statements)

References 44 publications

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“…Daya pendinginan dapat diukur tetapi tidak dapat mewakili konsumsi LPG nyata pada kapasitas dan beban mesin tertentu. Kemudian, hasil riset tersebut diperbaiki pada periode selanjutnya yang mewakili kinerja pada kondisi yang sebenarnya [3], [19] .…”

Section: Pendahuluanunclassified

Studi Eksperimen Kinerja Sistem Refrigerasi Setengah Siklus Pada Kendaraan Berbahan Bakar LPG

Ryastama,

Prakasa,

Rochman

et al. 2023

JRM

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The Air Conditioning (AC) system is an important requirement for vehicle passengers to get thermal comfort. However, the AC system draws power from the engine to drive the compressor. Meanwhile, vehicles driven by Liquefied Petroleum Gas (LPG) provide decent cooling potential to assist the main air conditioning system. Therefore, this study aims to examine the effect of cooling on LPG-fueled vehicles by utilizing LPG flow to be used as a secondary refrigerant. The research was carried out on a 1495 cc engine with a special evaporator which was tested at variations of blower speed 1, 2, and 3. The tests were carried out at engine speeds of 1000, 2000, and 3000 rpm. The results showed the lowest cooling effect at blower speed level 1 with engine speed of 1000 rpm and the highest at blower speed level 3 with engine speed of 3000 rpm. The greatest cooling effect is obtained at 373 Watts at 3000 rpm engine speed and level 3 blower speed.

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Section: Pendahuluanunclassified

Studi Eksperimen Kinerja Sistem Refrigerasi Setengah Siklus Pada Kendaraan Berbahan Bakar LPG

Ryastama,

Prakasa,

Rochman

et al. 2023

JRM

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show abstract

“…It is concluded from the test results that this setup can be useful to assist the primary Air-Conditioning (AC) system. The experimental research of the 4 cooling effect obtained in LPG-fuelled automobiles was reported on by Waluyo et al [20] in their article. Afzal et al [21] conducted an experimental examination of the thermal performance of a helical tube three-fluid heat exchanger employing three different concentrations of graphene/ water nanofluid as the working fluid.…”

Section: Introductionmentioning

confidence: 98%

Numerical Investigation of Influence of Extent and Position of a Bypass on the Performance of a Single Unit Liquid Desiccant Based Evaporative Cooler

Pamu

2024

JMechE

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Air-conditioning of buildings is more energy-consuming with widely used vapour compression refrigeration systems in hot and humid areas. Alternatively, evaporative cooling does not show much effect in sultry regions because of increased humidity despite the minimum energy consumption. Indirect evaporative cooling is a promising alternative to direct evaporative cooling systems, but it suffers from low cooling effectiveness and is unsuitable for highly humid regions. Considering the above facts an alternative liquid desiccant-assisted modified M-cycle cooling system is proposed and examined numerically in the present work. The proposed cooling and dehumidification system is a simple unit incorporating chemical dehumidification and regenerative evaporative cooling in a single unit. A simultaneous heat and mass transfer model is developed for the numerical analysis. The numerical code is written in MATLAB and is validated with results available in the literature. Further, numerical analysis was carried out for the effect of various parameters on the performance of the proposed cooling system. The study shows an improvement of 19.2% in dew point effectiveness by incorporating an intermediate opening in the plate separating the product air and working air channels.

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Cooling effect characteristic of the novel half-cycle refrigeration system on a liquefied petroleum gas (LPG) fueled vehicle

Cited by 2 publications

References 44 publications

Studi Eksperimen Kinerja Sistem Refrigerasi Setengah Siklus Pada Kendaraan Berbahan Bakar LPG

Studi Eksperimen Kinerja Sistem Refrigerasi Setengah Siklus Pada Kendaraan Berbahan Bakar LPG

Numerical Investigation of Influence of Extent and Position of a Bypass on the Performance of a Single Unit Liquid Desiccant Based Evaporative Cooler

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