Mechanical Engineering Seminar Topics List 3

1. Miller Cycle Gas Engine 2. Emission Control Techniques 3. Hydrogen Car 4. High-Wire car 5. High Speed Trains 6. Orbital Welding 7. Vertical Landing and takeoff engine 8. Space Robotics 9. Air suspension system 10. Improved efficiency of gas turbine 11. ual Clutch Transmission 12. FADEC – Full Authority Digital Engine Control 13. Marine electric propulsion 14. FADEC – Full Authority Digital Engine Control. 15. Lenoir Cycle 16. Stealth Fighter 17. Super Charging 18. Micro scale regenerative Heat Exchanger 19. Semi automatic transmission 20. Electrostatic precipitator 21. Semi solid Casting 22. Reusable Launch Vehicles 23. Crystaline Silicon Solar Cells 24. Ocean Thermal Energy 25. Lean Burn Spark Ignition Engine 26. Portable Power 27. Cryogenic Ball Valves 28. Telematics 29. The Atomic Battery 30. Smart combustors 31. Biofiltration 32. Magnetic Refrigeration 33. Hydro Jetting 34. Recent Advances in Statistical Quality Control 35. Sustainable Engineering 36. Handfree Driving 37. Miller Cycle 38. Stratified Charge Engine 39. oil well drilling40. Abrasive Etching 41. ACC-Plus(Adaptive Crusie Control+) System 42. Active Electrically Controlled Suspension 43. Active Front Lighting System 44. Active roll-over protection system in Automobiles 45. Adaptive contol 46. Advanced Battery and Fuel Cell Development for EV 47. Advanced composites 48. Advanced Cooling Systems 49. Advanced Off-set printing 50. Advanced Plastics 51. Advanced Propulsion Methods 52. Atkinson cycle engine 53. Scuderi Split Cycle Engine 54. Smart combustors 55. Biomechatronic Hand 56. Space Robotics 57. Continuously variable transmission (CVT) 58. Hydro Drive 59. Fractal Robots 60. Smart Bombs 61. Roller Pumps 62. Electronic Gasoline Injection 63. Magnetic Bearing 64. Tip Tronic Gear transmission 65. Cam less Engines 66. Air Suspension system 67. Green Engine 68. Rheology 69. The Hy-Wire Car 70. Air powered cars 71. Smart Autoreeling mechanism 72. Direct Manufacturing 73. Ablative Materials 74. Abrasive Blast Cleaning 75. Antiroll suspension system 76. ArcJet Rocket 77. Aspheric lenses 78. Automated Highways 79. Automatic transmission 80. Automotive Infotainment 81. Autonomous Submarines 82. Ball Piston machines 83. Bench top wind tunnels 84. Bio-degradable polymers 85. Biomass Fuelled Power Plant 86. Bioreactors 87. Biturbo 88. Blended Winged Aircraft 89. BlueTec 90. Bose suspension system 91. Brake Assisting Systems 92. Brake booster 93. Cam less Engines 94. Camless engine with elctromechanical valve actuator 95. Carbon Foam-Military Applications 96. Carbon nanotube cloths 97. Carbon Nanotubes 98. Cargo storage in space 99. Cell Integration Into A Manufacturing System 100. Ceramic fastners 101. CeramicLike Coatings 102. CFD/FEM/FEA/CAE 103. Collision warning system 104. Combustion Research 105. Common Rail Direct Injection (CRDI) Engines 106. Composite materials 107. Compound Vortex Controlled Combustion 108. Concept Cars 109. Conditional monitoring & fault Diagnosis 110. Contactless energy transfer system 111. Continuously Variable Transmission Cordless Tools 112. Corrosion resistant gear box 113. Crew Exploration Vechicles 114. Cruise Missile Technology 115. Cryogenic Grinding 116. Tribology Of IC Engine 117. Turbine Technology In Automobile 118. Value Engineering 119. Vehicle Dynamics 120. Vertical Shaft Brick Kiln (VSBK) 121. Virtual Manufacturing System 122. Dynamics Of Sport Climbing 123. Mechanical Model Of The Finger 124. Sensotronic Brake System 125. Light weight material-Carbon fibre 126. Guided Missile 127. Heat Pipe 128. Flywheel Batteries 129. Cushioning Impact in Pneumatic Cylinder 130. DARK ROOM machining 131. Digital manufacturing 132. Double-wishbone suspension 133. Drive-By Wire Systems 134. Driver information system (DIS) 135. Dual Clutch Transmission 136. DurAtomic Process 137. Dynamic Ride Control (DRC) 138. Advanced Quadruped Robot “ BigDog 139. Advanced Rocket Motors 140. Advances In Capillary Fluid Modelling 141. Advances in cutting tool technology 142. AeroCapture 143. Aerodonetics 144. Aerospace Flywheel Development 145. Aerospace Propulsion 146. Aerospikes 147. Agile manufacturing 148. Air- Augmented Rocket 149. Air Casters 150. Air Cushion Vehicles 151. Air Powered Cars 152. Air suspension system 153. Airbags & ABS 154. Aircraft design 155. Aircraft Egress 156. Aircraft Propeller 157. Airport management 158. Aluminium Alloy Conductors 159. Stealth Technology 160. Ball Piston machines 161. Valvetronic Engine 162. Technology 163. Thermoacoustic Refrigerator 164. Automobile Air 165. Conditioning 166. Free Piston Engine 167. Dynamic shift program (DSP) 168. Eco-Freiendly Surface Treatments 169. E-gas 170. Elecromagnetic Valves 171. Electric Automobiles 172. Electric power steering units 173. Electrochemical Machining (ECM) & EBM 174. Electromagnetic Bomb 175. Electron beam Machining 176. Electronic Road Pricing System 177. Emission Control Techniques 178. Energy Conversion and Management 179. Energy efficient turbo systems 180. Energy saving motors 181. Engineering Applications of Nylon 66 182. Ergonomics 183. F1 Track Design And Safety 184. FADEC “ Full Authority Digital Engine Control 185. Floating Power Stations 186. Floating Solar Power Station 187. Fluid Energy Milling 188. Flyash Utilisation 189. Flywheel Batteries 190. FMS (Flexible Manufacturing Systems) 191. Fractal Robot 192. Free Form Modelling Based on N-Sided Surfaces 193. Frictionless Compressor Technology 194. Fuel Cell Airplane 195. Fuel cell powered Go-Karts 196. Fuel Cells on Aerospace 197. Fuel Energizer 198. Fuels from Plastic Wastes 199. Full Colour 3D Modelling Using Rapid Prototyping 200. Functional Nanocrystalline Ceramics 201. Fuzzy logic in Aircraft stability 202. Geo-Thermal Energy 203. Global Positioning System 204. Green Manufacturing 205. Guided MissileHalBach array 206. Handheld Radiation detector 207. HANS-In F1 Racing 208. Harvesting Wave power 209. Heat caps 210. Heat Pipe 211. Heavy duty Gasoline engines 212. High Altitude Aeronautical Platforms 213. High angle of attack aerodynamics 214. High Speed Precise Gear Boxes 215. High speed Railway coaches 216. High Speed Trains 217. Highly Productive And Reconfigurable Manufacturing SystemHigh-Wire car 218. Hovercrafts 219. Human Artificial organs 220. Hybrid energy Systems 221. Hybrid Motorcycles Hybrid Synergy Drive (HSD) 222. Hydraulic railway recovery systems 223. Hydro Drive 224. Hydro Jetting 225. Hydrogen Car 226. Hydrogen Generation via Wind Power Electrolysis 227. Hyperplane 228. Hy-Wire Car 229. Impact hammers 230. Improved efficiency of gas turbine 231. Infrared Curing And Convection Curing 232. Infrared Thermography 233. Intelligent Compact drives 234. Intelligent manufacturing 235. Inter-Continental Ballistic Missile (ICBM) 236. Jelly Filled Telephone Cables 237. Jet Powered Boat 238. Jet Stream windmill 239. Jetex Engine 240. Kalina cycle 241. Laod Sensing Hydraulics 242. Latest in hitech petrol fuel injection “GDI (Gasoline direct Injection) 243. Latest Trends in Automotive Engg.& Technology 244. Launching Space Vechicles from Moon 245. Lean Burn Spark Ignition Engine 246. Lean engineering 247. Light weight material-Carbon fibre 248. Liquid Injection Thrust Vectoring (LITV) 249. Logistics and supply chain management 250. Low Cost Spacecraft Simulator 251. Low Gloss ABS system 252. Low inertia dics clutches 253. Machine tools vibration, Noise & condition monitoring 254. Machine Vision 255. Magnetic Launching 256. Magnetic Levitation 257. Magnetic Nanocoposites 258. Magnetic Refrigeration 259. Magneto Abrasive Flow Machining 260. Marine electric propulsion 261. Mass Rapid Transit system (MRTS)Mechanical torque limitors 262. MEMS In Industrial Automation 263. Mesotechnology 264. Metal-Matrix Composite ProcessingMicro Batteries 265. Micro Fluidic Chips 266. Micro Gravity 267. Micro Heat Exchangers 268. Micro hydraulics 269. Micro/Meso-scale Manufacturing 270. Microbial Fuel Cells 271. Microfluidics 272. Micromanipulating Micromachines 273. Micromixers 274. MicroTopography 275. Miller Cycle Gas Engine 276. Modeling and simulation 277. Modular conveyor Belts 278. Modular Gear motor 279. Modular Workstations 280. Molecular Engineering 281. Molecular hinges 282. Molten oxide electrolysis 283. Multi Valve Engine 284. Multiple material milling platform 285. Nano in navy 286. Nanobatteries 287. Nanomaterial Based Catalyst 288. Nanorobotics 289. Nanoscale Armor 290. Nanoscale Fractals 291. New Age Tyres 292. New Rolling Techniques 293. New trends in Automobile Design 294. Nono Fluidics 295. Nuclear fuel reprocessing 296. Nuclear Power Potential as Major Energy Source 297. Ocean Thermal Energy 298. Oil Depletion in the WorldOil Shear brakes 299. Oil well drilling 300. Opto-Electronic Sensor System 301. Orbit Forming 302. Orbital WeldingOrbital/Space Mechanics 303. Pendolina system for railway passenger comfort 304. Perpetual Motion Machines 305. Photonic Crystals 306. Pint Sized Power Plants 307. Plasma Arc welding 308. Plastic WeldingPolymers castings 309. Porous Burner Technology 310. Portable X-RaY Fluorescence Analyser 311. Power from Space for Use on EarthProcess Automation Techniques 312. Programmable keyless entry 313. Pseudoelasticity and Shape Memory in Metal Nanowires 314. Pulse Detonation Engine 315. Pulsed Plasma Thruster 316. Pump Noise level reduction methods 317. Quantum Chromo Dynamics 318. Random vibrations 319. Rapid Injection Moulding 320. Recent Trends in Quality Management 321. Regenerative Fuel Cells 322. Research Aircrafts 323. Resistojet Rocket 324. Responsive manufacturing 325. Rijke Tube 326. Robot driven cars 327. Robotic Assistants For Aircraft Inspectors 328. Robotic roller coasters 329. Robotics~ 330. Robots In Radioactive Environments 331. Rocket Powered Aircraft 332. Rotating Parallel Grippers 333. Safety features of railway rolling stock 334. Safety Systems 335. Scrubber 336. Sea Power 337. Selective Catalytic Reduction (SCR) 338. Self Aware Robots 339. Self Healing Spacecrafts 340. Self Repairing Composites 341. Self-Healing Polymer Technology 342. Semi-synthetic cutting fluids 343. Sensotronic Braking System 344. Shape Memory Alloys 345. Shock Waves & Shock Diamonds 346. Single Crystal Turbine Aerofoil 347. Sky Rocket 348. Small Satellites 349. Smart Ammunitions 350. Smart Autoreeling mechanism 351. Smart Bombs 352. Smart Pnuematics 353. Snake Well Drill 354. Solar Ponds 355. Solar Power Satellite 356. Solar Powered Refrigerator 357. Solid carbide end mills 358. Solid “Liquid Separation Technology 359. Sono bouys 360. Space Elevator 361. Space Robotics 362. Space Shuttle 363. Space Shuttle Boosters 364. Space Station 365. Spacecraft Propulsion 366. Special materials for high temperature applications 367. Stealth Radar 368. Stealth Technology 369. Steer- By -Wire 370. Stereoscopic Projection Systems 371. Stirling engine 372. Super Flat Nano Films 373. Supercavitation 374. Superconducting Rotating Machines 375. Synthetic Aperature Radar 376. Tension Control Brake 377. Thermo Acoustic Refrigeration 378. Thermoacoustic refrigerator 379. Threadless Couplings 380. Tire & wheel without pneumatics 381. Tool Management System 382. Touch trigger probes 383. Trends in welding 384. Turbines in silicon 385. Ultra Nano Crystallline Diamond 386. Underwater Welding 387. Underwater wind mill 388. Vacuum Braking System 389. Valvetronic Engine Technology 390. Variable compression ratio engine 391. Variable Length Intake Manifold (VLIM) 392. Variable Valve Timing In I.C. Engines 393. Vertical Landing and takeoff engine 394. Virtual Reality 395. Water Rocket 396. Wave Springs 397. Weld flaw detectors 398. Welding Robots 399. Wind diesel System 400. Wind From The Sun-Power Plant 401. Wireless factories 402. Fuel cell powered Go-Karts 403. Nano in navy 404. Active roll-over protection system in 405. Automobiles 406. Nanoscale Armor 407. Brake booster 408. F Track Design And Safety 409. Wind diesel System 410. Hovercrafts 411. Aerodonetics 412. Compound Vortex Controlled 413. Combustion 414. Orbital/Space Mechanics 415. Aerospace Propulsion 416. Advanced composites 417. Random vibrations 418. Cryogenic Grinding 419. Fuzzy logic in Aircraft stability 420. Hydro Drive 421. High angle of attack aerodynamics 422. Latest Trends in Automotive 423. Engg.& Technology 424. Frictionless Compressor Technology 425. Conditional monitoring & fault Diagnosis 426. Self Monitoring Pneumatic systems 427. Ballistics 428. Super Charging 429. Freeform Manufacturing 430. Nanomaterial 431. Thermal Barrier Coatings 432. System Identification and Adaptive Control 433. Intelligent Vehicles 434. D Solar cells 435. Intelligent Vehicles and Automated Highways 436. Magnetic Resonance Imaging 437. Fused Deposition Modelling 438. Variable Speed Drives 439. Rapid Re-Usable Tooling 440. Liquid Engineering 441. Biomechanics 442. Plastic Welding 443. HVDC Transmission 444. Double-wishbone suspension 445. Dynamic shift program (DSP) 446. E-gas 447. Adaptive air suspension 448. Small Satellites 449. Robot driven cars 450. Process Automation Techniques 451. DurAtomic Process 452. Intelligent Compact drives 453. Rotating Parallel Grippers 454. Jelly Filled Telephone Cables 455. Aluminium Alloy Conductors 456. HalBach array 457. Magnetic Levitation 458. Magnetic Launching 459. MicroTopography 460. Active Front Lighting System 461. Carbon Nanotubes 462. Bio-degradable polymers 463. Mechanical torque limitors 464. Ceramic fastners 465. Multi Valve Engine 466. Pump Noise level reduction methods 467. Polymers castings 468. Low Gloss ABS system 469. Nanorobotics 470. Wind engineering 471. Aircraft design 472. Multiple material milling platform 473. Smart Pnuematics 474. Infrared Curing And Convection Curing 475. Digital manufacturing 476. Hydroplane 477. Robots In Radioactive Environments 478. Lean engineering 479. Modular Workstations 480. Self-Assembly For Nano And Micro Manufacturing 481. Smart Materials 482. HyperTech Engine 483. Metamorphic Robots 484. Fuel Cells On Aerospace 485. Written-Pole Technology 486. Desktop Manufacturing 487. Electric Cylinders 488. Hydro Electricity 489. Hybrid Electric Vehicles 490. Microengines for microprocessors 491. Advances in Gas Turbine 492. Trenchless Technology 493. Symmetrical All Wheel Drive 494. Motors Without 495. Mechanical Transmissions 496. Pulse Detonation Engine 497. Microbial Fuel Cells 498. Elecromagnetic Valves 499. Stealth Radar 500. Self Aware Robots 501. Eco-Freiendly Surface Treatments 502. Carbon Foam-Military Applications 503. Jet Powered Boat 504. Air Casters 505. High Speed Precise Gear Boxes 506. Smart Ammunitions 507. Full Colour D Modelling Using Rapid Prototyping 508. Underwater Welding 509. Micro Gravity 510. AeroCapture 511. Single Crystal Turbine Aerofoil 512. Inter-Continental Ballistic Missile 513. (ICBM) 514. Threadless Couplings 515. Supercavitation 516. Robotic roller coasters 517. Energy saving motors 518. Nuclear fuel reprocessing 519. Solar Power Satellite 520. Self Healing Spacecrafts 521. Fractal Robot 522. Superconducting Rotating Machines 523. Semi-synthetic cutting fluids 524. Heat caps 525. Corrosion resistant gear box 526. Variable compression ratio engine 527. electric power steering units 528. Dynamic Ride Control (DRC) 529. Driver information system (DIS) 530. Floating Solar Power Station 531. Continuously Variable Transmission 532. Hybrid Motorcycles 533. Machine Vision 534. Space Elevator 535. Crew Exploration Vechicles 536. Vacuum Braking System 537. Adaptive Crusie Control 538. Micro/Meso-scale Manufacturing 539. Magneto Abrasive Flow Machining 540. Self-Healing Polymer Technology 541. Variable Length Intake 542. Manifold (VLIM) 543. Hybrid Synergy Drive (HSD) 544. Advanced Propulsion Methods 545. Stirling engine 546. Snake Well Drill 547. Infrared Thermography 548. Sky Rocket 549. Jetex Engine 550. Concept Cars 551. Research Aircrafts 552. Micro Batteries 553. ArcJet Rocket 554. Global Positioning System 555. Resistojet Rocket 556. Floating Power Stations 557. Water Rocket 558. Ablative MAterials 559. Air- Augmented Rocket 560. Aerospikes 561. Advanced Rocket Motors 562. Space Shuttle 563. Rocket Powered Aircraft 564. Liquid Injection Thrust Vectoring 565. acoustic parking system (APS) 566. Molecular hinges 567. Aspheric lenses 568. Bioreactors 569. Jet Stream windmill 570. Mesotechnology 571. Automotive Infotainment 572. Advanced Plastics 573. Contactless energy transfer system 574. Handheld Radiation detector 575. Sea Power 576. Harvesting Wave power 577. Molten oxide electrolysis 578. Ultra Nano Crystallline Diamond 579. Collision warning system 580. Antiroll suspension system 581. Porous Burner Technology 582. Fuel Energizer 583. Molecular Engineering 584. Cordless Tools 585. Frictionless Compressor Technology 586. Mass Rapid Transit system (MRTS) 587. Ball Piston machines 588. Autonomous Submarines 589. Pint Sized Power Plants 590. Magnetic Nanocoposites 591. Electromagnetic Bomb 592. Active Electrically Controlled Suspension 593. Perpetual Motion Machines 594. Valvetronic Engine Technology 595. Advanced Cooling Systems 596. GDI (Gasoline direct Injection) 597. Underwater wind mill 598. Microfluidics 599. Micromixers 600. Blended Winged Aircraft 601. Nanomaterial Based Catalyst 602. Regenerative Fuel Cells 603. Self Repairing Composites 604. Laod Sensing Hydraulics 605. Modular workstations 606. Stereoscopic Projection Systems 607. Virtual Reality Visualisation 608. Steer- By -Wire 609. Advanced Off-set printing 610. Hybrid Synergy Drive 611. Risks of Nano Engineered Particles 612. Rotating Scroll Power Compressor 613. Nano Spreader Cooling 614. Self Extinguishing PVC’s 615. Electromagnetic Clutches 616. Hypersonic Space Planes 617. Rapid Design for Lean Manufacturing 618. Brake Assisting Systems 619. Benchmarking 620. Bio Diesel 621. Diesel Particulate Filter 622. Dynamics Of Cutting Viscoelastics Materials 623. Facility Layout Design Using Genetic Algorithm 624. Steam Cars 625. Re-Entry Of Space Vehicle 626. Air Ship 627. Hybrid Synergy Drive 628. Babbitt Metal 629. A Hypersonic Hybrid Vehicle 630. ADVANCE IN CAR SAFETY 631. Advance Systems In Two Wheelers 632. Air Bearings 633. Air Brithing Engine 634. Amphibious Army Surveillance Vehicle 635. AN ELECTRONIC SYSTEM FOR 636. CONTROLLING AIR FUEL RATIO 637. Nono Fluidics 638. Micro Heat Exchangers 639. Low inertia dics clutches 640. Micro hydraulics 641. Touch trigger probes 642. Green Manufacturing 643. Lean Burn Spark Ignition Engine 644. Active Electrically Controlled Suspension 645. New trends in Automobile Design 646. Intelligent manufacturing 647. Agile manufacturing 648. Responsive manufacturing 649. Air Cushion Vehicles 650. High speed Railway coaches 651. Hydraulic railway recovery systems 652. Drive-By Wire Systems 653. Hyperplane 654. Selective Catalytic Reduction (SCR) 655. Bio-ethanol As Fuel 656. Snake robots 657. Compression Tube fittings 658. Supercase Hardening process 659. Magnetic refrigeration 660. Design of an active car chassis frame incorporating magneto rheological fluid 661. All- wing Technology 662. High speed Propellers 663. Improving aerodynamic performance of an aerospace vehicle 664. Electromagnetic Brakes 665. Antimatter -the ultimate energy 666. Lean to Steer Concept 667. Helicopters 668. Tidal technology 669. Thin Vacuum Conveyors 670. Hybrid vehicles 671. Six stroke engines 672. Scramjet engine 673. AN EXPERT SYSTEM-BASED DESIGN OF -DOF ROBOT 674. Applications Of Micro-Controller In Auotomobile 675. Aqua Silencer – A Noise & Emission Controller 676. Aque Fuel 677. Artificial Intelligence In Mechanical Field 678. Automobile AC By Utilizing Waste Heat & Gases 679. Bike Of The Future- Pneumatic Bike 680. Biodiesel From Jatropha 681. Biomass As An Alternate Fuel For Diesel Engine 682. BUSINESS PROCESS RE-ENGINEERING 683. Caged Ball Technology 684. Carbon Nanotubes 685. Catalytic Converters 686. Ceramic Hybrid Ball Bearing 687. Cleaning Of Metal 688. COAL GASIFICATION 689. Combustion Control Using Optical Fiber 690. Combustion Stability In I.C.Engines 691. Cruise Missile Technology 692. Aerospace Flywheel Development 693. Dynamics of Swing Bowling 694. Common Rail Direct Injection (CRDI) Engines 695. Oil Shear brakes 696. Magnetic Refrigeration 697. Hydro Jetting 698. Modular Gear motor 699. Tension Control Brake 700. Wireless factories 701. Heavy duty Gasoline engines 702. Synthetic Aperature Radar 703. Tool Management System 704. Shape Memory Alloys 705. Stealth Technology 706. Opto-Electronic Sensor System 707. Concurrent Engineering 708. Bose suspension system 709. Probabilistic design of mechanical components 710. Regenerative braking 711. Damage identification in aging aircraft structures with piezoelectric wafer active sensors 712. Axis Digital Accelerometer 713. Smart material actuators 714. Biologically inspired robots 715. mass airflow sensor 716. Computational Fluid Dynamics 717. Data Fusion for Quality Improvements 718. Rocket Powered Aircraft 719. Hybrid Wind Electrolysis System 720. Green Factory 721. Metal Nanoshells 722. Micro Hydraulics 723. Atkinson cycle engine 724. Special materials for ultra low temperature applications 725. Cylinder Deactivation 726. Electric Rocket Engine 727. Compresed Air Cars Technology 728. Computer Aided Production Engineering (CAPE) 729. Concentrating Solar Power Energy From Mirrors 730. Concept Of Flying Train 731. CONCURRENT ENGINEERING 732. CRYOGENIC ROCKET ENGINE 733. & THEIR PROPELANTS 734. Cummins Diesel Fuel System 735. Digital Manufacturing Using STEP-NC 736. Direct Injection Process 737. Electronic Multipoint Fuel Injection System 738. Electronically Controlled Air Suspension System 739. Fuzzy Logic 740. Gas Hydrates 741. Gasoline Direct Injection 742. Hexapod Machine Tool 743. High Performance Heat Sink Based On Screen-Fin Technology 744. Hologram 745. Machine Vision 746. Microcellular Foam Technology 747. Permanent Magnet Generator 748. Power Hump 749. Six – Stroke Hybrid Engine 750. Six Stroke Engine 751. Smart Fluids In Automotive Devices 752. Smart Tire 753. Supply Chain Management 754. Technical Development In Car 755. The Challenge Of Intelligent Systems 756. The Gyro Machine 757. Thermal Conductivity Of Poros Material