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Articles 1 - 30 of 125
Full-Text Articles in Mechanical Engineering
C.V. - Wojciech Budzianowski, Wojciech M. Budzianowski
Renewable Energy And Sustainable Development (Resd) Group, Wojciech M. Budzianowski
Renewable Energy And Sustainable Development (Resd) Group, Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Procesy Cieplne I Aparaty (Lab), Wojciech M. Budzianowski
Inżynieria Chemiczna Lab., Wojciech M. Budzianowski
الگو و دستورالعمل تهيه و تدوين پايان نامه کارشناسي ارشد, Dr Alireza Zolfaghari
الگو و دستورالعمل تهيه و تدوين پايان نامه کارشناسي ارشد, Dr Alireza Zolfaghari
Dr Alireza Zolfaghari
No abstract provided.
Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri
Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri
Innovative Research Publications IRP India
This Paper investigated effects of annealing and age hardening on the ultimate tensile strength (UTS) and electrical conductivity of aluminium-nickel cast using sand mould. Pure aluminium melt was alloyed with nickel, which was added in 2% to 10% step 2. Annealing and age hardenings were carried out and obtained results showed that Al-2%Ni alloy has the highest UTS of 604.44MPa. On the other hand, Al-6%Ni Annealed alloy has the highest electrical conductivity, with a value of 6.15 × 107 S/m. The Al-4%Ni alloy combined both high strength and conductivity, having UTS of 603.28MPa and electrical conductivity of 5.69 × 107 …
Modeling And Experiment Of Solar Crop Dryer For Rural Application, Dawit Abay Tesfamariam, Mulu Bayray Kahsay, Meseret Tesfay Kahsay, Ftwi Yohaness Hagos
Modeling And Experiment Of Solar Crop Dryer For Rural Application, Dawit Abay Tesfamariam, Mulu Bayray Kahsay, Meseret Tesfay Kahsay, Ftwi Yohaness Hagos
Ftwi Yohaness Hagos
An indirect passive convectional solar dryer consisting of a solar air heater and dryer chamber is designed, manufactured and tested for its performance. It plays a major role in reducing crop wastage and opens a way to food preservation. The area of the solar collector required to dry a batch of 10 kg of tomato within two days is calculated. The performance of the collector is improved through the use corrugated absorber to create turbulence for air flow and a highly insulating material to minimize heat losses. The thermal performance of the solar dryer is tested under the local weather …
The Design Of Earth Air Tunnel Heat Exchanger System For An Institute Library, Innovative Research Publications Irp India, Sunil Kumar Khandelwal, Anuj Mathur, G. D. Agrawal
The Design Of Earth Air Tunnel Heat Exchanger System For An Institute Library, Innovative Research Publications Irp India, Sunil Kumar Khandelwal, Anuj Mathur, G. D. Agrawal
Innovative Research Publications IRP India
-In this paper a simple Excel based mathematical model has been developed in order to design the EATHE system for the ground floor of library of the Malaviya National Institute of Technology Jaipur for meeting a given cooling/heating load. This model helps in determining characteristic dimensions, air flow rate, number of pipes, selection of blower and economic investments in an EATHE system. A thermal comfort survey was also conducted to find the thermal comfort temperature inside the library of MNIT, which is approx 28.6 0C, quiet near to the temperature obtained through this EATHE system.
Inżynieria Chemiczna Ćw., Wojciech M. Budzianowski
Tematyka Prac Doktorskich, Wojciech M. Budzianowski
Tematyka Prac Doktorskich, Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Solar Energy Resource Assessment Of The Geba Catchment, Northern Ethiopia, Anwar Mahmud, Mulu Kahsay, Asfafaw Tesfay, Ftwi Hagos
Solar Energy Resource Assessment Of The Geba Catchment, Northern Ethiopia, Anwar Mahmud, Mulu Kahsay, Asfafaw Tesfay, Ftwi Hagos
Ftwi Yohaness Hagos
The global shift towards renewable energy is manifested in developing countries such as Ethiopia primarily because of continuous economic growth in the last two decades and secondly due to the vast untapped potential resources. In addition to other factors, the lack of accurate data of the resources has, however, hampered the development of solar energy technologies. The aim of this paper is to investigate the resource estimation by undertaking direct measurements at selected sites in the Northern part of Ethiopia. This paper presents an assessment of the solar energy resource based on the primary data collected between January 2011 and …
Modeled Impacts Of Cover Crops And Vegetative Barriers On Corn Stover Availability And Soil Quality, Ian J. Bonner, David J. Muth Jr., Joshua B. Koch, Douglas L. Karlen
Modeled Impacts Of Cover Crops And Vegetative Barriers On Corn Stover Availability And Soil Quality, Ian J. Bonner, David J. Muth Jr., Joshua B. Koch, Douglas L. Karlen
David J. Muth
Environmentally benign, economically viable, and socially acceptable agronomic strategies are needed to launch a sustainable lignocellulosic biofuel industry. Our objective was to demonstrate a landscape planning process that can ensure adequate supplies of corn (Zea mays L.) stover feedstock while protecting and improving soil quality. The Landscape Environmental Assessment Framework (LEAF) was used to develop land use strategies that were then scaled up for five U.S. Corn Belt states (Nebraska, Iowa, Illinois, Indiana, and Minnesota) to illustrate the impact that could be achieved. Our results show an annual sustainable stover supply of 194 million Mg without exceeding soil erosion T …
Experimental Investigation Of A Multicylinder Unmodified Diesel Engine Performance, Emission, And Heat Loss Characteristics Using Different Biodiesel Blends: Rollout Of B10 In Malaysia, M.J Abedin, H.H Masjuki, M.A. Kalam, Mahendra Varman M. Varman, M.I. Arbab, I.M. Rizwanul Fattah, B.M. Masum
Experimental Investigation Of A Multicylinder Unmodified Diesel Engine Performance, Emission, And Heat Loss Characteristics Using Different Biodiesel Blends: Rollout Of B10 In Malaysia, M.J Abedin, H.H Masjuki, M.A. Kalam, Mahendra Varman M. Varman, M.I. Arbab, I.M. Rizwanul Fattah, B.M. Masum
Mahendra Varman Munusamy (M. Varman)
This paper deals with the performance and emission analysis of a multicylinder diesel engine using biodiesel along with an in-depth analysis of the engine heat losses in different subsystems followed by the energy balance of all the energy flows from the engine. Energy balance analysis allows the designer to appraise the internal energy variations of a thermodynamic system as a function of ‘‘energy flows’’ across the control volume as work or heat and also the enthalpies associated with the energy flows which are passing through these boundaries. Palm and coconut are the two most potential biodiesel feed stocks in this …
Termodynamika Procesowa I Techniczna Lab., Wojciech M. Budzianowski
Termodynamika Procesowa I Techniczna Lab., Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Tematyka Prac Dyplomowych Dla Studentów Wydziału Mechaniczno-Energetycznego Pwr., Wojciech M. Budzianowski
Tematyka Prac Dyplomowych Dla Studentów Wydziału Mechaniczno-Energetycznego Pwr., Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Tematyka Prac Dyplomowych Dla Studentów Wydziału Chemicznego Pwr., Wojciech M. Budzianowski
Tematyka Prac Dyplomowych Dla Studentów Wydziału Chemicznego Pwr., Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Mechanika Płynów Lab., Wojciech M. Budzianowski
Mechanika Płynów Lab., Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
کارگاه اصول نگارش مقالات علمی 1, Dr Alireza Zolfaghari
کارگاه اصول نگارش مقالات علمی 1, Dr Alireza Zolfaghari
Dr Alireza Zolfaghari
No abstract provided.
31 - تحليل تاثيرات استفاده از عايقهاي تغيير فاز دهنده بر ميزان کاهش مصرف سالانه انرژي ساختمان در اقليم هاي مختلف ايران, Alireza Zolfaghari, Mehran Sa'adati-Nasab, Mohamad Rahimpour, Hamed Moslehi, Mohamad Solhi
31 - تحليل تاثيرات استفاده از عايقهاي تغيير فاز دهنده بر ميزان کاهش مصرف سالانه انرژي ساختمان در اقليم هاي مختلف ايران, Alireza Zolfaghari, Mehran Sa'adati-Nasab, Mohamad Rahimpour, Hamed Moslehi, Mohamad Solhi
Dr Alireza Zolfaghari
No abstract provided.
30 - تحليل ميزان تاثيرگذاري جنس پوسته خارجي ساختمان بر عملکرد سيستم گرمايش قرنيزي در اقليم تهران, Bahman Sekhavatmand, Alireza Zolfaghari, Mohamad Rahimpour, Hamed Moslehi, Mehran Sa'adati-Nasab
30 - تحليل ميزان تاثيرگذاري جنس پوسته خارجي ساختمان بر عملکرد سيستم گرمايش قرنيزي در اقليم تهران, Bahman Sekhavatmand, Alireza Zolfaghari, Mohamad Rahimpour, Hamed Moslehi, Mehran Sa'adati-Nasab
Dr Alireza Zolfaghari
No abstract provided.
29 - تأثير بکارگيري مواد تغيير فازدهنده در پوسته خارجي ساختمان بر ايجاد شرايط آسايش حرارتي ساکنان بدون نياز به سيستم گرمايش/سرمايش, Mohamad Solhi, Alireza Zolfaghari, Mohamad Fathian, Hamed Moslehi, Mohamad Rahim-Pour, Mehran Sa'adati-Nasab
29 - تأثير بکارگيري مواد تغيير فازدهنده در پوسته خارجي ساختمان بر ايجاد شرايط آسايش حرارتي ساکنان بدون نياز به سيستم گرمايش/سرمايش, Mohamad Solhi, Alireza Zolfaghari, Mohamad Fathian, Hamed Moslehi, Mohamad Rahim-Pour, Mehran Sa'adati-Nasab
Dr Alireza Zolfaghari
No abstract provided.
28 - تاثیر دمای ذوب مواد تغییر فاز دهنده بکار رفته در ديوار خارجي بر ميزان مصرف انرژي سالانه ساختمان, Mohamad Solhi, Alireza Zolfaghari, Mohamad Fathian, Mehran Sa'adati-Nasab, Hamed Moslehi, Mohamad Rahimpour
28 - تاثیر دمای ذوب مواد تغییر فاز دهنده بکار رفته در ديوار خارجي بر ميزان مصرف انرژي سالانه ساختمان, Mohamad Solhi, Alireza Zolfaghari, Mohamad Fathian, Mehran Sa'adati-Nasab, Hamed Moslehi, Mohamad Rahimpour
Dr Alireza Zolfaghari
No abstract provided.
27 - مدلسازي عملکرد سيستم گرمايش قرنيزي در يک ساختمان نمونه با جدار نورگذر جنوبي در اقليم تهران, Mohamad Rahimpour, Alireza Zolfaghari, Mehran Sa'adati-Nasab, Hamed Moslehi
27 - مدلسازي عملکرد سيستم گرمايش قرنيزي در يک ساختمان نمونه با جدار نورگذر جنوبي در اقليم تهران, Mohamad Rahimpour, Alireza Zolfaghari, Mehran Sa'adati-Nasab, Hamed Moslehi
Dr Alireza Zolfaghari
No abstract provided.
Review On Alcohol Fumigation On Diesel Engine: A Viable Alternative Dual Fuel Technology For Satisfactory Engine Performance And Reduction Of Environment Concerning Emission, A. Imran, Mahendra Varman Munusamy M.Varman, H.H. Masjuki, M.A. Kalam
Review On Alcohol Fumigation On Diesel Engine: A Viable Alternative Dual Fuel Technology For Satisfactory Engine Performance And Reduction Of Environment Concerning Emission, A. Imran, Mahendra Varman Munusamy M.Varman, H.H. Masjuki, M.A. Kalam
Mahendra Varman Munusamy (M. Varman)
Fossil fuels are the most imperative parameters to flourish the every sphere of modern civilization including industrial development, transportation, power generation and easing the accomplishment of works. The rapid increase in usage of fossil fuel has unavoidable deleterious effect on environment. The international consciousness for environment protection is growing and ever more strict emission legislations are being enacted. Simultaneously the storage of fossil fuel is depleting. Hence, the above situations promote the scientists to find alternative sustainable fuels along with their suitable using technique which will reduce the pollutant emission and will be applicable for gaining satisfactory engine performance. In …
Mechaniczny Rozdział Faz Proj., Wojciech M. Budzianowski
Mechaniczny Rozdział Faz Proj., Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Challenges And Prospects Of Processes Utilising Carbonic Anhydrase For Co2 Separation, Patrycja Szeligiewicz, Wojciech M. Budzianowski
Challenges And Prospects Of Processes Utilising Carbonic Anhydrase For Co2 Separation, Patrycja Szeligiewicz, Wojciech M. Budzianowski
Wojciech Budzianowski
This article provides an analysis of processes for separation CO2 by using carbonic anhydrase enzyme with particular emphasis on reactive-membrane solutions. Three available processes are characterised. Main challenges and prospects are given. It is found that in view of numerous challenges practical applications of these processes will be difficult in near future. Further research is therefore needed for improving existing processes through finding methods for eliminating their main drawbacks such as short lifetime of carbonic anhydrase or low resistance of reactive membrane systems to impurities contained in flue gases from power plants.
26 - تحليل تأثيرگذاري ميزان مقاومت حرارتي جداره و جهت جداره هاي نورگذر بر اندازه بهينه پنجره در اقليم تهران, Mona Khatami, Maria Kord-Jamshidi, Behrouz Mohamad Kari, Alireza Zolfaghari
26 - تحليل تأثيرگذاري ميزان مقاومت حرارتي جداره و جهت جداره هاي نورگذر بر اندازه بهينه پنجره در اقليم تهران, Mona Khatami, Maria Kord-Jamshidi, Behrouz Mohamad Kari, Alireza Zolfaghari
Dr Alireza Zolfaghari
No abstract provided.
25 - تحليل تأثيرات استفاده از عايقهاي تغيير فاز دهنده بر ميزان مصرف سالانه انرژي ساختمان در اقليم تهران, Alireza Zolfaghari, Mohamad Solhi, Mohamad Fathian, Hamed Moslehi, Mohamad Rahim-Pour, Mehran Sa'adati-Nasab
25 - تحليل تأثيرات استفاده از عايقهاي تغيير فاز دهنده بر ميزان مصرف سالانه انرژي ساختمان در اقليم تهران, Alireza Zolfaghari, Mohamad Solhi, Mohamad Fathian, Hamed Moslehi, Mohamad Rahim-Pour, Mehran Sa'adati-Nasab
Dr Alireza Zolfaghari
No abstract provided.
24 - تحليل عملکرد کانالهاي زير زميني جهت تامين هواي لازم براي تهويه فضاهاي صنعتی با در نظر گرفتن زمان لازم براي احياي سيستم, Alireza Zolfaghari, Mozhgan Nikoudel, Hosein Vatan-Pour
24 - تحليل عملکرد کانالهاي زير زميني جهت تامين هواي لازم براي تهويه فضاهاي صنعتی با در نظر گرفتن زمان لازم براي احياي سيستم, Alireza Zolfaghari, Mozhgan Nikoudel, Hosein Vatan-Pour
Dr Alireza Zolfaghari
No abstract provided.
Modelling Three-Phase Flow In Metallurgical Processes, Christoph Goniva, Gijsbert Wierink, Kari Heiskanen, Stefan Pirker, Christoph Kloss
Modelling Three-Phase Flow In Metallurgical Processes, Christoph Goniva, Gijsbert Wierink, Kari Heiskanen, Stefan Pirker, Christoph Kloss
Gijsbert Wierink
The interaction between gasses, liquids, and solids plays a critical role in many processes, such as coating, granulation and the blast furnace process. In this paper we present a comprehensive numerical model for three phase flow including droplets, particles and gas. By means of a coupled Computational Fluid Dynamics (CFD) - Discrete Element Method (DEM) approach the physical core phenomena are pictured at a detailed level. Sub-models for droplet deformation, breakup and coalescence as well as droplet-particle and wet particle-particle interaction are applied. The feasibility of this model approach is demonstrated by its application to a rotating drum coater. The …