محمدرضا حاج محمدی - دانشگاه صنعتی امیرکبیر

تعیین چیدمان و آرایش هندسی بهینه الکترودهای جمع کننده و ساطع کننده با هدف دستیابی به بیشترین میزان نرخ انتقال حرارت نانوسیال در یک میکروکانال مستطیلی توسط پدیده الکتروهیدرودینامیک

مهیار سپهرنژاد و محمدرضا حاج محمدی

مهر 1401

بررسی و بهبود عملکرد سطوح آغشته به مایع برای جریان های سیالات دارای تنش تسلیم در میکروکانالها

محمدامین ناصری و محمدرضا حاج محمدی

مرداد 1401

شبیه‌سازی دوبعدی جریان‌ دوفازی در لوله‌ حرارتی نوسانی تحت شرایط کاری مختلف

مونا اشرفی مقدم و محمدرضا حاج محمدی

تیر 1401

بهینه سازی هندسی و بهبود عملکرد گرمایی چاه حرارتی ریز مقیاس با تمرکز بر استفاده از محیط متخلخل

محمدرضا ابراهیمی پور و محمدرضا حاج محمدی

اسفند 1400

بررسی اثر آرایش و شکل الکترود بر بهبود انتقال حرارت جریان سیال در حضور میدان الکتریکی

مهراس امیرحکیمی و محمدرضا حاج محمدی

مهر 1400

مطالعه اثر آرایش‌دهی موانع در مسیر جریان در یک کانال دوبعدی بر روی افزایش انتقال حرارت به کمک روش شبکه‌‌ی بولتزمن

صبا میراحسنی و محمدرضا حاج محمدی

شهریور 1400

طراحی ساختار هندسی مواد ابررسانای گرمایی در یک قطعه مولد گرما به صورت یک درختواره با شاخه های نابرابر

جواد نجفیان و محمدرضا حاج محمدی

فروردین 1400

طراحی بهینه مسیر‌های هدایت حرارتی درون بستر تولید کننده‌ حرارت با رویکرد سه بعدی

رومینا کبیری خلج زاده و محمدرضا حاج محمدی

فروردین 1400

طراحی هندسی چاه گرمایی موج دار ریزمقیاس بمنظور بهبود عملکرد خنک کاری با استفاده از سیال حاوی مواد تغییر فاز دهنده

هادی نعمتی مقدم و محمدرضا حاج محمدی

دی 1399

بازطراحی هندسی و ساختاری مجراهای داخلی هوا به‌صورت سه‌بعدی برای خنک کاری پره‌‌های C3X

عرفان حسن‌پورمنصور و محمدرضا حاج محمدی

مهر 1399

اثر هندسه ی سطح مقطع بر عملکرد گرمایی چاه های حرارتی ریز مقیاس

سید معین الدین آیت اللهی و محمدرضا حاج محمدی

تیر 1399

مطالعه عددی افت فشار و انتقال حرارت در کانال های ریز مقیاس با سطح مقاطع مختلف حاوی نانوسیال با لزجت غیر نیوتنی

امین رضا رمضان و محمدرضا حاج محمدی

شهریور 1398

طراحی بهینه چاه های حرارتی ریز مقیاس تحت اثر میدان مغناطیسی

سپهر غلامرضایی و محمدرضا حاج محمدی

تیر 1398

انتقال حرارت همزمان در جریان جابجایی اجباری خارجی یک نانوسیال روی صفحه ای با ضخامت محدود

عرفان محکم کار و محمدرضا حاج محمدی

تیر 1398

بهبود عملکرد خنک کاری چاه گرمایی ریز مقیاس با استفاده از نانوسیال با لزجت غیر نیوتونی

علی سرلک و محمدرضا حاج محمدی

مهر 1397

بهینه سازی ساختار هندسی مواد ابررسانای گرمایی درون یک پره به منظور بیشینه سازی عملکرد آن

محمد احمدیان علمی و محمدرضا حاج محمدی

مهر 1397

بررسی انتقال حرارت در کویل بامقطع لوله های ترکیبی دایروی و مستطیلی ب ا بهره گیری از نانوسیال

سیده کیانا نقیب زاده و محمدرضا حاج محمدی

شهریور 1397

مقایسه عملکرد یک سیستم خنک کننده جذبی- خورشیدی در تهران و نجف

غیث یحیی احمد ابوصیبع و محمدرضا حاج محمدی

اسفند 1396

مقالات ژورنال

داده های ثبت شده در پورتال

Amirhossein Rabiee, Mohammad Ahmadian Elmi, Mohammadreza Hajmohammadi, Mohammad Mohammadifar, "Multi-objective optimization of rectangular microchannel heat sink based on entropy generation and hydro-thermal performance using NSGA-II algorithm", INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, Vol. 149, Num. 0, Page 107140-107153, November 2023,

Hasan Parsa, Majid Saffar-Avval, Mohammadreza Hajmohammadi,, "Improvement of solar air heaters performance with PCM-filled baffles and storage bed", INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol. 260, Num. 0, Page 1-23, July 2023,

Mohammad Ahmadian Elmi, Mohammadreza Hajmohammadi, S.Salman Nourazar Khoshknab, Kambiz Vafai, Mohammad Behshad Shafii, "Introducing a novel cooling system with combined utilization of microchannel heat sinks and pulsating heat pipes", APPLIED THERMAL ENGINEERING, Vol. 232, Num. 0, Page 1-14, July 2023,

Mohammad Ahmadian Elmi, Mohammadreza Hajmohammadi, S.Salman Nourazar Khoshknab, Kambiz Vafai, Mohammad Behshad Shafii, "Effect of filling ratio, number of loops, and transverse distance on the performance of pulsating heat pipe in a microchannel heat sink", NUMERICAL HEAT TRANSFER PART A-APPLICATIONS, Vol. 0, Num. 0, Page 1-23, April 2023,

Saba Mirahsani, Ali Ahmadpour, Mohammadreza Hajmohammadi, "Optimal design of an array of porous obstacles in a partially heated channel using lattice Boltzmann method for the heat transfer enhancement", INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, Vol. 143, Num. 0, Page 1-13, March 2023,

Mohammad Ahmadian Elmi, Mohammadreza Hajmohammadi, S.Salman Nourazar Khoshknab, Kambiz Vafai, Mohammad Behshad Shafii, "Investigating the effect of the presence of a pulsating heat pipe on the geometrical parameters of the microchannel heat sink", NUMERICAL HEAT TRANSFER PART A-APPLICATIONS, Vol. 0, Num. 0, Page 1-17, March 2023,

Sahba Zehisaadat, Romina Kabiri Khalajzadeh, Mohammadreza Hajmohammadi, Giulio Lorenzini, "Geometric Optimization of T-shaped Fin and Inverted Fin Based on Minimum Entropy Generation Objective", JOURNAL OF ENGINEERING THERMOPHYSICS, Vol. 31, Num. 0, Page 668-687, December 2022,

Hadi Nemati Moghaddam, Ali Ahmadpour, Mohammadreza Hajmohammadi, "-Numerical simulation of convective heat transfer of nano -encapsulated phase change material slurries in micro channels with sinusoidal cavities and rectangular ribs", , Vol. 54, Num. 1, Page 8-8, April 2022,

Seyyed Alireza Sadri, Hasan Parsa, Majid Saffar-Avval, Mohammadreza Hajmohammadi, "Configuration optimization of the honeycomb core in the latent heat thermal energy storage of a solar air heater: Experimental and numerical study", INTERNATIONAL JOURNAL OF ENERGY RESEARCH, Vol. 46, Num. 5, Page 5924-5954, April 2022,

Aminreza Ramezan, Ali Ahmadpour, Mohammadreza Hajmohammadi, "Thermo-hydraulic assessment of non-Newtonian MWCNT nanofluid flows inside microchannels with different cross-sections", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, Vol. 0, Num. 0, Page 1-17, December 2021,

Hasan Parsa, Majid Saffar-Avval, Mohammadreza Hajmohammadi, "3D simulation and parametric optimization of a solar air heater with a novel staggered cuboid baffles", INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol. 205, Num. 0, Page 106607-106623, June 2021,

Mohammadreza Hajmohammadi, Mohammad Bahrami, Mohammad Ahmadian Elmi, "Thermal performance improvement of microchannel heat sinks by utilizing variable cross-section microchannels filled with porous media", INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, Vol. 126, Num. 0, Page 105360-105374, May 2021,

Mohammad Ahmadian Elmi, Mohammad Mohammadifar, Erfan Rasouli, Mohammadreza Hajmohammadi, "Optimal design and placement of heat sink elements attached on a cylindrical heat-generating body for maximum cooling performance", THERMOCHIMICA ACTA, Vol. 700, Num. 0, Page 178941-178950, April 2021,

Sayed Moein Ayatollahi, Ali Ahmadpour, Mohammadreza Hajmohammadi, "Performance evaluation and optimization of flattened microchannel heat sinks for the electronic cooling application", JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Vol. 0, Num. 0, Page 1-15, April 2021,

Mohammadreza Hajmohammadi, Mohammad Mohammadifar, Mohammad Ahmadian Elmi, "Optimal placement and sizing of heat sink attachments on a heat-generating piece for minimization of peak temperature", THERMOCHIMICA ACTA, Vol. 689, Num. 0, Page 178645-178653, July 2020,

Mohammadreza Hajmohammadi, Ali Doustahadi, Mohammad Ahmadian Elmi, "Heat transfer enhancement by a circumferentially non-uniform array of longitudinal fins assembled inside a circular channel", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol. 158, Num. 0, Page 120020-120027, July 2020,

Mohammadreza Hajmohammadi, Sepehr Gholamrezaie, Ali Ahmadpour, Zohreh Mansoori, "Effects of applying uniform and non-uniform external magnetic fields on the optimal design of microchannel heat sinks", INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol. 186, Num. 0, Page 105886-105897, June 2020,

Mohammad Reza Daneshvar Garmroodi, Ali Ahmadpour, Mohammadreza Hajmohammadi, Sepehr Gholamrezaie, "Natural convection of a non-Newtonian ferrofluid in a porous elliptical enclosure in the presence of a non-uniform magnetic field", JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Vol. 0, Num. 0, Page 1-17, November 2019,

Mohammadreza Hajmohammadi, Erfan Rasouli, Mohammad Ahmadian Elmi, "Geometric optimization of a highly conductive insert intruding an annular fin", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol. 146, Num. 0, Page 118910-118918, October 2019,

Mohammadreza Hajmohammadi, Hasan Parsa, Javad Najafian, "Proposing an optimal tree-like design of highly conductive material configuration with unequal branches for maximum cooling a heat generating piece", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol. 142, Num. 0, Page 118422-118422, July 2019,

Seyedeh Kiana Naghib Zadeh, Mohammadreza Hajmohammadi, Majid Saffar-Avval, "Heat transfer enhancement of a nanofluid in ahelical coil with flattened cross-section", CHEMICAL ENGINEERING RESEARCH & DESIGN, Vol. 146, Num. 0, Page 36-47, April 2019,

Mohammadreza Hajmohammadi, Mohammad Hossein Haji Mollaali Tork, "Effects of the magnetic field on the cylindrical Couette flow and heat transfer of a nanofluid", PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, Vol. 523, Num. 0, Page 234-245, February 2019,

Mohammad Ahmadian Elmi, Mohammadreza Hajmohammadi, S.Salman Nourazar Khoshknab, "Geometric optimization of highly conductive inserts with variable thickness embedded in a fin", , Vol. 50, Num. 4, Page 525-532, February 2019,

Mohammadreza Hajmohammadi, Seyed Emad Rezaei Taleshi, "Proposing a new algorithm for the optimization of conduction pathways based on a recursive localization", APPLIED THERMAL ENGINEERING, Vol. 151, Num. 0, Page 146-153, January 2019,

Mohammadreza Hajmohammadi, Mohammad Ahmadian Elmi, S.Salman Nourazar Khoshknab, "Introducing highly conductive materials into a fin for heat transfer enhancement", INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol. 150, Num. 0, Page 420-426, October 2018,

Ali Sarlak, Ali Ahmadpour, Mohammadreza Hajmohammadi, "Thermal design improvement of a double-layered microchannel heat sink by using multi-walled carbon nanotube (MWCNT) nanofluids with nonNewtonian viscosity", APPLIED THERMAL ENGINEERING, Vol. 147, Num. 0, Page 205-215, October 2018,

Mohammadreza Hajmohammadi, Pedram Ali Pour, Hasan Parsa, "Microfluidic effects on the heat transfer enhancement and optimal design of microchannels heat sinks", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol. 126, Num. 0, Page 808-815, July 2018,

Mohammadreza Hajmohammadi, Iman Toghraei, "Optimal design and thermal performance improvement of a double-layered microchannel heat sink by introducing Al2O3 nano-particles into the water", PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, Vol. 505, Num. 0, Page 328-344, April 2018,

Mohammadreza Hajmohammadi, "Design and analysis of multi-scale annular fins attached to a pin fin", INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, Vol. 88, Num. 0, Page 16-23, December 2017,

Mohammadreza Hajmohammadi, "Optimal design of tree-shaped inverted fins", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol. 116, Num. 0, Page 1352-1360, October 2017,

Mohammadreza Hajmohammadi, Pedram Aghajannezhad, S.S. Abolhassani, M. Parsaee, "An integrated system of zinc oxide solar panels, fuel cells, and hydrogen storage for heating and cooling applications", INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, Vol. 42, Num. 31, Page 19683-19694, August 2017,

Mohammadreza Hajmohammadi, "Introducing a Psi-shaped cavity for cooling a heat generating medium", INTERNATIONAL JOURNAL OF THERMAL SCIENCES, Vol. 121, Num. 0, Page 204-212, August 2017,

Mohammadreza Hajmohammadi, "Assessment of a lubricant based nanofluid application in a rotary system", ENERGY CONVERSION AND MANAGEMENT, Vol. 146, Num. 0, Page 78-86, May 2017,

Mohammadreza Hajmohammadi, "Cylindrical Couette flow and heat transfer properties of nanofluids; single-phase and two-phase analyses", JOURNAL OF MOLECULAR LIQUIDS, Vol. 240, Num. 0, Page 45-55, May 2017,

Mohammadreza Hajmohammadi, "Reply to: Comments on “Detailed analysis for the cooling performance enhancement of a heat source under a thick plate” by Hajmohammadi et al.", ENERGY CONVERSION AND MANAGEMENT, Vol. 129, Num. 0, Page 52-53, October 2016,

دروس ارائه شده

عنوان درس

توصیف درس

سرفصل ها

دوره درسی

Heat Transfer (I)

To internalize the meaning of the terminology and physical principles associated with heat transfer, To delineate pertinent transport phenomena for any process or system involving heat transfer, To use requisite inputs for computing heat transfer rat

Spring 2024

Advanced Heat Transfer (Conduction)

Formulation and derivation of the governing equations in heat conduction Mathematical modeling of the systems arising in heat conduction Mathematical solution of the governing equations in heat conduction

Fall 2023

Fluid Mechanics (II)

To internalize the meaning of the terminology and physical principles associated with fluid mechanics, To be able to develop representative mathematical models of real processes and systems and draw conclusions concerning process/system design or per

Fall 2023

Advanced Heat Transfer (Conduction)

Spring 2023

Heat Transfer (I)

Spring 2023

Fluid Mechanics (II)

Fall 2022

Advanced Heat Transfer (Conduction)

Fall 2022