Mehmet Bayram Yildirim
Dr. Mehmet Bayram Yildirim received the B.S. degree from Bogazici University, Istanbul, Turkey, in 1994, the M.Sc. degree in industrial engineering from Bilkent University, Ankara, Turkey, in 1996, and the Ph.D. degree from the Department of Industrial and System Engineering, University of Florida, Gainesville, in 2001. He is currently a professor in the Department of Industrial, Systems, and Manufacturing Engineering, Wichita State University, Wichita, KS. Dr. Yildirim's research interests include applied optimization, smart grids, sustainable engineering, energy efficient production planning, transportation/logistics and healthcare management.
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Technological and tribological characteristics improvement of additively manufactured SS 316L components machined under sustainable cooling conditions
(Elsevier Ltd., 2023-03-01)Advancements in digital processes and additive manufacturing technology enable the production produce complex-shaped metallic components by depositing material, layer upon layer, in precise geometric shapes. However, the ... -
Key initiatives to improve the machining characteristics of Inconel-718 alloy: Experimental analysis and optimization
(Elsevier, 2022-11-03)Inconel 718 is a heat-resistant Ni-based superalloy widely used, particularly, in aircraft and aero-engineering applications. It has poor machinability due to its unique thermal and mechanical properties. For this reason, ... -
Impact of commitment, information sharing, and information usage on supplier performance: a Bayesian belief network approach
(Springer Nature, 2019-12-19)Due to the proliferation of information systems and technology, supply chains have the capability of acquiring an enormous amount of supplier data in their databases. However, much of the useful supplier-specific insights ... -
Effectiveness of capacity rationing heuristics in make to order environment
(Inderscience Publishers, 2015)This paper investigates the effectiveness of a dynamic capacity-rationing heuristic for order acceptance and rejection in a capacitated make-to-order manufacturing environment. The heuristics developed for managing capacity ... -
Visit length in pediatric primary care: lessons from a pilot study
(Greenbranch Publishing, 2013-05)As business drivers create pressure to see more patients in a given period, there is no reliable guidance regarding the optimal allocation of resources in ambulatory visits. Many pediatric primary clinics set appointment ... -
A genetic algorithm metaheuristic for bakery distribution vehicle routing problem with load balancing
(2011-05)In this paper, we analyze a distribution problem at a bakery company in Istanbul, Turkey. The bakery wants to distribute products with the available fleets of trucks, while maintaining balance in workload between different ... -
Sustainable single-machine scheduling problem with reliability and energy consumption
(Curran Associates, Inc., 2011-12)In this paper, a multi-objective model is proposed to minimize energy consumption and total completion time, and to maximize reliability on a single machine. In this problem, jobs arrive over time, and their release dates ... -
A nonlinear approach for integrated marketing-economic production quantity problem
(2010-12)Pricing is a key activity in determining any firm's profit in a supply chain due to the competitive nature of markets. Consequently, modeling the relation between marketing and manufacturing departments in a manufacturing ... -
A toll pricing framework for traffic assignment problems with elastic demand
(Springer, 2001-12)This paper extends the notion of toll pricing and the toll pricing framework previously developed for fixed demand traffic assignment [4, 13] to the problem with elastic demand. The system problem maximizes net benefit to ... -
Active learning in supply chain management course
(2015-06)This paper presents an active learning approach implemented in the Supply Chain Management (SCM) course. In this course, the fundamentals of supply chain and logistics, drivers of supply chain performance and analytical ... -
Hospital patient-care and outside-the-hospital energy profiles for hemodialysis services: report of two cases
(John Wiley & Sons Inc., 2015-06)Studies investigated the patient-care (in-hospital) and outside-the-hospital energy consumptions for delivering the hemodialysis (HD) service. A life cycle inventory methodology was used for this patient-based analysis for ... -
Integrated maintenance and production planning with energy consumption and minimal repair
(Springer, 2014-10)In this study, we analyze an integrated production-preventive maintenance planning problem where product processing times are affected by machine degradation. Preventive maintenance and repair can return the degraded ... -
A sustainability approach for selecting maintenance strategy
(Taylor & Francis, 2013-03)Appropriate maintenance can prolong the life of an asset and prevent costly breakdowns that may result in lost production, failed shipping schedules and a decline in customer satisfaction. The goal of this study was to ... -
A fuzzy multicriteria generation expansion planning model
(Inderscience Publishers, 2011)In this paper, we present a fuzzy multi-objective model for power generation expansion planning problem with uncertainty in objective functions and demand balance constraints. The purpose of the fuzzy generation expansion ... -
Single-machine sustainable production planning to minimize total energy consumption and total completion time using a multiple objective genetic algorithm
(IEEE-INST Electrical Electronics Engineers Inc, 2012-11)Energy is an expensive resource that is becoming more scarce with increasing population and demand. In this paper, a mathematical model to minimize energy consumption and reduce total completion time of a single machine ... -
Single-machine sustainable production planning to minimize total energy consumption and total completion time using a multiple objective genetic algorithm
(IEEE Technology Management Council, 2011-11-18)Energy is an expensive resource that is becoming more scarce with increasing population and demand. In this paper, a mathematical model to minimize energy consumption and reduce total completion time of a single machine ... -
Environmental impacts of healthcare services: delivery of x-ray services
(IEEE, 2011-05)THE healthcare sector of the U.S rose to compromise about 18% of the nation's GDP in 2010. In meeting patient needs healthcare organizations spend nearly $8.8 billion each year on energy. To achieve energy reduction, the ... -
Hospital radiology department overhead energy estimation
(IEEE, 2011-05)The interest in the energy management is found in every sector of the economy. This is true of the commercial sector which includes the healthcare industry. The focus of this study is on estimating the overhead energy ... -
Energy consumption of VA hospital CT scans
(IEEE, 2011-05)The United States healthcare spending was about $7,681 per resident and accounted for 16.2% of the nation's GDP in 2008 and rose to compromise about 18% of the nation's GDP by 2010. As healthcare sector continues to grow ...
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