This paper estimates and analyses the air cargo demand and supply imbalances between large geographical regions based on newly collected demand and supply data.Due to the need for more data for academics and the indus...This paper estimates and analyses the air cargo demand and supply imbalances between large geographical regions based on newly collected demand and supply data.Due to the need for more data for academics and the industry,and the lesser research interest compared to its passenger counterpart,limited empirical research on air cargo market dynamics has been conducted.Live flight and aircraft data were collected for five consecutive years to reconstruct the air cargo network and capacity.Air cargo sales tonnes data were collected and introduced as these data eliminate double counting of transfer route volumes.Both datasets were used and compared to analyse the air cargo trade imbalances.The major findings indicate an imbalance in demand on most of the 110 studied region pair combinations.The supply data indicate a high imbalance for freighter capacity,a relatively smaller imbalance for integrator capacity and a limited imbalance for the wide-body belly capacity.The data indicate that the Middle East,Northeast Asia,Russia,Central Asia,and Central America regions are all transfer or in-transit regions where a large amount of cargo passes through.However,limited cargo volumes originate or find their final destination here.Although the general assumption indicates that air cargo supply follows air cargo demand,imbalances between demand and supply in opposing directions were found for several region pairs.To the best of our knowledge,this paper is one of the first academic sources to introduce data analysis based on sales tonnes.This research assists academics and the industry in getting a better understanding of the current air cargo market dynamics.It also provides a base to enhance future air cargo market research,analysis and forecasting.展开更多
Air cargo terminals serve as crucial hubs for the efficient movement of goods across domestic and international borders.In India,these terminals come with many challenges,mainly attributed to extensive growth potentia...Air cargo terminals serve as crucial hubs for the efficient movement of goods across domestic and international borders.In India,these terminals come with many challenges,mainly attributed to extensive growth potential,diversity,and infrastructure development.This study discusses the challenges of Indian air cargo terminals and evaluates the factors,aspects,and criteria regarding air cargo problems under different conditions.Analytic Hierarchy Process with multiple criteria and five factors is used to better understand the complex decision process.We analyzed the air cargo utilization based on physical method,throughput capacity,and economic capacity.Results show that the developed methodology accurately forecasts the terminal’s demand.展开更多
In this research,optimization models for air freight forwarders that considers renting air containers and assigning cargos to containers are proposed with the objective to minimize total operating cost.The transportat...In this research,optimization models for air freight forwarders that considers renting air containers and assigning cargos to containers are proposed with the objective to minimize total operating cost.The transportation network consists of an intermediate hub which is used for unloading and sorting cargos before the delivery to destinations.The models provide operational decision at both regions and hub.The proposed models are formulated based on the cargo demand information provided by the forwarders’customers.The models are applicable for air freight forwarders to plan their bookings with airlines with either regular shipment or irregular demand of cargos during peak season.The proposed models take into account constraints related to weight and volume limits of containers and also on constraints related to available containers.The computational results show that the proposed models can be used for practical air cargo planning.A two-phase method is also proposed in order to generate solutions for large instance data sets.The obtained results from the paper also suggest new research directions in this field.展开更多
文摘This paper estimates and analyses the air cargo demand and supply imbalances between large geographical regions based on newly collected demand and supply data.Due to the need for more data for academics and the industry,and the lesser research interest compared to its passenger counterpart,limited empirical research on air cargo market dynamics has been conducted.Live flight and aircraft data were collected for five consecutive years to reconstruct the air cargo network and capacity.Air cargo sales tonnes data were collected and introduced as these data eliminate double counting of transfer route volumes.Both datasets were used and compared to analyse the air cargo trade imbalances.The major findings indicate an imbalance in demand on most of the 110 studied region pair combinations.The supply data indicate a high imbalance for freighter capacity,a relatively smaller imbalance for integrator capacity and a limited imbalance for the wide-body belly capacity.The data indicate that the Middle East,Northeast Asia,Russia,Central Asia,and Central America regions are all transfer or in-transit regions where a large amount of cargo passes through.However,limited cargo volumes originate or find their final destination here.Although the general assumption indicates that air cargo supply follows air cargo demand,imbalances between demand and supply in opposing directions were found for several region pairs.To the best of our knowledge,this paper is one of the first academic sources to introduce data analysis based on sales tonnes.This research assists academics and the industry in getting a better understanding of the current air cargo market dynamics.It also provides a base to enhance future air cargo market research,analysis and forecasting.
文摘Air cargo terminals serve as crucial hubs for the efficient movement of goods across domestic and international borders.In India,these terminals come with many challenges,mainly attributed to extensive growth potential,diversity,and infrastructure development.This study discusses the challenges of Indian air cargo terminals and evaluates the factors,aspects,and criteria regarding air cargo problems under different conditions.Analytic Hierarchy Process with multiple criteria and five factors is used to better understand the complex decision process.We analyzed the air cargo utilization based on physical method,throughput capacity,and economic capacity.Results show that the developed methodology accurately forecasts the terminal’s demand.
基金This work was supported by an SIIT Young Researcher Grant under Contract No.SIIT 2015-YRG01。
文摘In this research,optimization models for air freight forwarders that considers renting air containers and assigning cargos to containers are proposed with the objective to minimize total operating cost.The transportation network consists of an intermediate hub which is used for unloading and sorting cargos before the delivery to destinations.The models provide operational decision at both regions and hub.The proposed models are formulated based on the cargo demand information provided by the forwarders’customers.The models are applicable for air freight forwarders to plan their bookings with airlines with either regular shipment or irregular demand of cargos during peak season.The proposed models take into account constraints related to weight and volume limits of containers and also on constraints related to available containers.The computational results show that the proposed models can be used for practical air cargo planning.A two-phase method is also proposed in order to generate solutions for large instance data sets.The obtained results from the paper also suggest new research directions in this field.
