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196 tulosta hakusanalla Behrouz Forouzan

Vehicle Powertrain Systems

Vehicle Powertrain Systems

David Crolla; Behrooz Mashadi

John Wiley Sons Inc
2012
sidottu
The powertrain is at the heart of vehicle design; the engine – whether it is a conventional, hybrid or electric design – provides the motive power, which is then managed and controlled through the transmission and final drive components. The overall powertrain system therefore defines the dynamic performance and character of the vehicle. The design of the powertrain has conventionally been tackled by analyzing each of the subsystems individually and the individual components, for example, engine, transmission and driveline have received considerable attention in textbooks over the past decades. The key theme of this book is to take a systems approach – to look at the integration of the components so that the whole powertrain system meets the demands of overall energy efficiency and good drivability. Vehicle Powertrain Systems provides a thorough description and analysis of all the powertrain components and then treats them together so that the overall performance of the vehicle can be understood and calculated. The text is well supported by practical problems and worked examples. Extensive use is made of the MATLAB(R) software and many example programmes for vehicle calculations are provided in the text. Key features: Structured approach to explaining the fundamentals of powertrain engineering Integration of powertrain components into overall vehicle design Emphasis on practical vehicle design issues Extensive use of practical problems and worked examples Provision of MATLAB(R) programmes for the reader to use in vehicle performance calculations This comprehensive and integrated analysis of vehicle powertrain engineering provides an invaluable resource for undergraduate and postgraduate automotive engineering students and is a useful reference for practicing engineers in the vehicle industry
Structural Reliability Analysis

Structural Reliability Analysis

Shun-Peng Zhu; Behrooz Keshtegar

Springer International Publishing AG
2025
sidottu
This book delves into structural reliability analysis across seven comprehensive chapters. Beginning with foundational methods and key definitions, it transitions into FORM-based formulations, such as the HL-RF method and its variants, with a focus on convergence control and stability enhancement. The subsequent chapters cover gradient methods and directional conjugate gradient formulations, addressing challenges like instability control and search direction vector adjustments. A novel optimization model for Most Probable Point (MPP) search in the original space for interval-based random variables is introduced, offering a cutting-edge approach to uncertainty optimization. The book concludes with second-order reliability analysis methods and forward-looking discussions on emerging analytical perspectives in the field.
Kurdish Paradox of Statelessness

Kurdish Paradox of Statelessness

Kamal Soleimani; Behrooz Shojai

Springer International Publishing AG
2025
sidottu
This book critically examines Abdullah Öcalan’s proposal of "democratic confederalism," introduced in 2005, and its theoretical and practical implications. Despite its claims to transcend the nation-state model, Öcalan’s project leaves the colonial structures of the Turkish, Persian, and Arab states unchallenged, legitimizing their assimilatory and genocidal tendencies. It fails to secure Kurdish self-determination or protect linguistic and cultural rights, including mother-tongue education. The study interrogates these contradictions, offering a comprehensive critique of Öcalan’s ideology and its limited impact on governance, Kurdish identity, and aspirations for autonomy. Drawing on Öcalan’s original Turkish writings, the book challenges prevailing scholarship that often relies on selective translations and sympathetic interpretations. It reveals the foundational limitations of Öcalan’s approach, exposing the structural barriers it sustains and its complicity in perpetuating Turkification tendencies under the guise of Kurdish politics.
Depression Volume 1

Depression Volume 1

Donald R Peterson; Behrooz Birashk; Hamideh Jahangiri

Verlag Unser Wissen
2023
pokkari
Depressionen (leichte oder schwere depressive St rungen) sind eine h ufige und ernsthafte Erkrankung, die sich negativ auf Ihre Gef hle, Ihr Denken und Ihr Verhalten auswirkt. Gl cklicherweise ist sie auch behandelbar. Depressionen verursachen Gef hle der Traurigkeit und/oder einen Verlust des Interesses an Aktivit ten, die man fr her gerne gemacht hat. Sie kann zu einer Vielzahl von emotionalen und k rperlichen Problemen f hren und die F higkeit einer Person, am Arbeitsplatz und zu Hause zu funktionieren, beeintr chtigen. Die Symptome einer Depression k nnen von leicht bis schwer reichen und umfassen- Traurig sein oder eine gedr ckte Stimmung haben- Verlust von Interesse oder Freude an Aktivit ten, die man fr her gerne gemacht hat- Ver nderungen des Appetits - Gewichtsverlust oder -zunahme, die nicht auf eine Di t zur ckzuf hren sind- Schlafschwierigkeiten oder zu viel Schlaf- Energieverlust oder erh hte M digkeit- Zunehmende ziellose k rperliche Aktivit t (z. B. H ndefuchteln oder Umhergehen) oder verlangsamte Bewegungen und Sprache- Gef hl der Wertlosigkeit oder Schuldgef hle- Schwierigkeiten, zu denken, sich zu konzentrieren oder Entscheidungen zu treffen- Die Symptome m ssen mindestens zwei Wochen andauern, damit eine Depression diagnostiziert werden kann.Depressionen sind eine der am besten behandelbaren psychischen St rungen.
Depression Volume 1

Depression Volume 1

Donald R Peterson; Behrooz Birashk; Hamideh Jahangiri

Editions Notre Savoir
2023
pokkari
La d pression (trouble d pressif l ger ou majeur) est une maladie courante et grave qui affecte n gativement vos sentiments, votre fa on de penser et d'agir. Heureusement, il est possible de la traiter. La d pression provoque des sentiments de tristesse et/ou une perte d'int r t pour des activit s autrefois appr ci es. Elle peut entra ner divers probl mes motionnels et physiques et diminuer la capacit d'une personne fonctionner au travail et la maison. Les sympt mes de la d pression peuvent varier de l gers graves: - Sentiment de tristesse ou humeur d pressive- Perte d'int r t ou de plaisir pour des activit s autrefois appr ci es- Changement d'app tit - perte ou prise de poids non li e un r gime- Troubles du sommeil ou sommeil excessif- Perte d' nergie ou fatigue accrue- Augmentation de l'activit physique sans but (par exemple, se tordre les mains ou faire les cent pas) ou ralentissement des mouvements et de l' locution- Sentiment de d valorisation ou de culpabilit - Difficult s penser, se concentrer ou prendre des d cisions- Pens es de mort ou de suicide- Les sympt mes doivent durer au moins deux semaines pour qu'un diagnostic de d pression soit pos . La d pression est l'un des troubles mentaux les plus faciles traiter. La psychoth rapie est souvent utilis e en association avec des antid presseurs pour le traitement des d pressions l g res et s v res.
Depressione Volume 1

Depressione Volume 1

Donald R Peterson; Behrooz Birashk; Hamideh Jahangiri

Edizioni Sapienza
2023
pokkari
La depressione (disturbo depressivo lieve o maggiore) una malattia comune e grave che influisce negativamente sul modo in cui ci si sente, sul modo in cui si pensa e sul modo in cui si agisce. Fortunatamente anche curabile. La depressione provoca sentimenti di tristezza e/o perdita di interesse per le attivit che un tempo ci piacevano. Pu portare a una serie di problemi emotivi e fisici e pu ridurre la capacit di una persona di funzionare al lavoro e a casa. I sintomi della depressione possono variare da lievi a gravi e possono includere- sensazione di tristezza o umore depresso- Perdita di interesse o di piacere nelle attivit che un tempo piacevano- Cambiamenti nell'appetito - perdita o aumento di peso non legato alla dieta- Difficolt a dormire o dormire troppo- Perdita di energia o aumento della stanchezza- Aumento dell'attivit fisica senza scopo (ad es., agitare le mani o camminare) o rallentamento dei movimenti e del linguaggio- Sensazione di non valere nulla o di sentirsi in colpa- Difficolt a pensare, concentrarsi o prendere decisioni- Pensieri di morte o suicidio- I sintomi devono durare almeno due settimane per una diagnosi di depressione. La depressione uno dei disturbi mentali pi curabili. La psicoterapia spesso utilizzata insieme ai farmaci antidepressivi per il trattamento della depressione lieve e grave.
Depressão Volume 1

Depressão Volume 1

Donald R Peterson; Behrooz Birashk; Hamideh Jahangiri

Edicoes Nosso Conhecimento
2023
pokkari
A depress o (perturba o depressiva ligeira ou grave) uma doen a m dica comum e grave que afecta negativamente a forma como se sente, a forma como pensa e como age. Felizmente, tamb m pode ser tratada. A depress o provoca sentimentos de tristeza e/ou uma perda de interesse em actividades que antes eram apreciadas. Pode levar a uma variedade de problemas emocionais e f sicos e pode diminuir a capacidade de uma pessoa funcionar no trabalho e em casa. Os sintomas da depress o podem variar de ligeiros a graves e podem incluir- Sentir-se triste ou ter um humor deprimido- Perda de interesse ou prazer em actividades que antes apreciava- Altera es do apetite - perda ou aumento de peso n o relacionado com dietas- Dificuldade em dormir ou dormir demasiado- Perda de energia ou aumento da fadiga- Aumento da atividade f sica sem objetivo (por exemplo, bater as m os ou andar de um lado para o outro) ou lentid o dos movimentos e da fala- Sentir-se in til ou culpado- Dificuldade em pensar, concentrar-se ou tomar decis es- Pensamentos de morte ou suic dio- Os sintomas devem durar pelo menos duas semanas para que seja feito o diagn stico de depress o. A depress o uma das perturba es mentais mais trat veis. A psicoterapia frequentemente utilizada em conjunto com medicamentos antidepressivos para o tratamento da depress o ligeira e grave.