Energy efficiency on the reefer container storage yard; an analysis of thermal performance of installation roof shade

Budiyanto, Muhammad Arif; Shinoda, Takeshi

doi:10.1016/j.egyr.2019.11.138

Cited by 23 publications

(11 citation statements)

References 9 publications

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“…In terms of increasing the efficiency of refrigeration systems, researchers have conducted many experiments in the use of natural coolant [8] and nano refrigerant [9]. Research on controlling environmental conditions has also been carried out by several researchers, one of the experiments using a roof-shade that effectively reduces heat penetration from the environment [10], in addition to the effects of stack containers also showed an influence on the energy consumption of refrigerated containers [11]. From the improvement of the thermal insulation of containers, some researchers trying to use phase change material [12], the results were quite good in maintaining the cooling load in the cargo [13], besides the influence of direct sunlight also caused heat penetration to thermal insulation [14].…”

Section: Introductionsmentioning

confidence: 99%

Analysis of the Effect of Inlet Velocity on Cooling Speed in a Refrigerated Container using CFD simulations

Budiyanto

Suheriyanto

2020

CFDL

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The use of refrigerated containers continues to increase rapidly in line with global trade, this kind of container is commonly used to deliver perishable cargo from producers to consumers over great distances, even between continents. To avoid perishable goods from damages, the temperature inside refrigerated containers was controlled and maintained to keep the cooling performance. The purpose of this study is to investigate the effect of variation inlet velocity on the cooling speed inside a refrigerated container. This study was conducted through a computational fluid dynamic simulation validated with experimental results. The simulation was carried out on the variations of inlet velocity based on low-speed fan mode at 4 m/s equal to 32 circulations/hour, and high-speed fan mode at 10 m/s equal to 80 circulations/hour. The results of the simulation show that the greater the inlet fan speed, the faster the cooling speed. The finding of this study is the cooling speed time of high cube refrigerated container with the low-speed fan is 28 minutes and the high-speed fan is 40 minutes.

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Section: Introductionsmentioning

confidence: 99%

Analysis of the Effect of Inlet Velocity on Cooling Speed in a Refrigerated Container using CFD simulations

Budiyanto

Suheriyanto

2020

CFDL

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“…As a result of the study, they determined that the banana temperature in the boxes was above the permitted transportation limits after 4 h. Therefore, it is not possible to compensate for cargo damage when the cold chain breaks at any stage. Power outages were emphasized similarly in the studies conducted in this context (Budiyanto & Shinoda, 2020;Hartmann, 2013;Wang et al, 2017).…”

Section: Findings and Discussionmentioning

confidence: 87%

Fuzzy Bayesian network analysis of the factors causing food losses in reefer containers

Kaptan

Bayazit

2023

J Food Process Engineering

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It is crucial to ensure food security to continue the sustainable nutrition of the world population. Food losses in the global food supply chain pose a significant risk to food security. Especially foods that require cold chain logistics are prone to deterioration and eventually food losses. Therefore, cold chain logistics processes require operational expertise and specialized equipment. Reefer (refrigerated) container is the most used cold chain transport equipment for perishable foods requiring atmospheric control. Analyzing operational and hardware-related causes and implementing relevant countermeasures are necessary to prevent food losses in reefer containers. With this motivation in the study, the relationships between the factors causing food losses in the reefer containers were evaluated qualitatively and quantitatively via the model built using the Fuzzy Bayesian network method. The findings indicate that the most critical root causes of food losses in reefer containers are excessive time off-power, inappropriate preload conditions, and refrigerant faults, respectively. Moreover, the riskiest combination of factors that causes food loss consists of excessive time-off power, refrigerant faults, and adverse weather conditions during navigation and in port. When the existing legal framework and professional practices are examined, in light of the results of the study, the following will be recommended: Establishing minimum standard and maintenance arrangements for cooling systems, ensuring safety margin in the shelf life of the foods carried in the reefer containers, making mandatory the automatic temperature recordings systems, and increasing the number of personnel specialized in product types and transportation. The study results will benefit supply chain stakeholders for process planning and implementation to mitigate the risk of food losses in reefer containers. Practical applicationsThis study examines the factors causing food losses in reefer containers from loading to discharge. The findings indicate that the most critical root causes of food losses in reefer containers are excessive time off-power, inappropriate preload conditions, and refrigerant faults, respectively. When the existing legal framework and professional practices are examined, in light of the results of the study, the following will be

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“…All are arranged in such a way that the operation of container movement is smooth; in the current era, a container terminal is required to have high productivity (Carlo et al, 2014), to be energy efficient (Huzaifi et al, 2020), and to be environmentally friendly (Rijsenbrij & Wieschemann, 2011;. Actually, several new terminals in developing countries have used automated guided vehicles to manage container transport within terminals to improve productivity (Bae et al, 2011;Liu et al, 2002); moreover, several experiments have been performed to minimize energy usage in container terminals , one of which is in refrigerated containers (Budiyanto & Shinoda, 2020;Budiyanto & Shinoda, 2017). The use of technology which leads to automation and minimizes ports pollution is applicable in developed countries, but this is not applicable in developing countries.…”

Section: Introductionmentioning

confidence: 99%

Research on the effect of number of yard trucks on container terminal throughput

Riadi

Putra

Budiyanto

2023

Marit. Technol. Res.

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Container terminal productivity is a benchmark for the level of effectiveness of a container port. One indicator of container terminal productivity level can be calculated through yard throughput. Several factors affect yard throughput, one of which is the number of truck terminals. This study aims to investigate the effect of the number of truck terminals on yard throughput at a container terminal. The investigation was conducted using a container terminal simulation which was based on the discrete event simulation method. As a case study, a simulation of a container terminal with a dock length of 300 m with several quay cranes was two units. The simulation was done by parameters adding the number of truck terminals and variations in the capacity of ships coming. The results of the simulation show that an increase in the number of truck terminals affects the number of outputs, depending on the size of the loading and unloading vessels. From the simulation results obtained, the largest yard throughput capacity of 809 containers with the number of truck terminals is 8 units on a shipload of 1,000 twenty-foot equivalent units. The results of this study provide an overview of the needs of the truck terminal in the container terminal. Highlights The yard throughput of the container terminal has been investigated by a simulation model built based on a discrete event simulation The discrete event simulation has obtained the effect of increasing the number of truck terminals on the yard throughputs with container capacity variations from 200 - 1,000 TEUs The increase in speed at the truck terminal is insignificant to increase yard throughput and necessary to do integrated scheduling between the truck terminals, quay cranes, and gantry cranes The increase in the quay crane operation in container terminals will decrease the dwell time of container throughput

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Energy efficiency on the reefer container storage yard; an analysis of thermal performance of installation roof shade

Cited by 23 publications

References 9 publications

Analysis of the Effect of Inlet Velocity on Cooling Speed in a Refrigerated Container using CFD simulations

Analysis of the Effect of Inlet Velocity on Cooling Speed in a Refrigerated Container using CFD simulations

Fuzzy Bayesian network analysis of the factors causing food losses in reefer containers

Research on the effect of number of yard trucks on container terminal throughput

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