Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Crisp, Nicholas"'
Autor:
Cushen, Alexander T., Oiko, Vitor T. A., Smith, Katharine L., Crisp, Nicholas H., Roberts, Peter C. E., Romano, Francesco, Papavramidis, Konstantinos, Herdrich, Georg
The testing of atmosphere-breathing electric propulsion intakes is an important step in the development of functional propulsion systems which provide sustained drag compensation in very low Earth orbits. To make satellite operations more sustainable
Externí odkaz:
http://arxiv.org/abs/2406.06299
Autor:
Livadiotti, Sabrina, Crisp, Nicholas H., Roberts, Peter C. E., Oiko, Vitor T. A., Christensen, Simon, Dominguez, Rosa Maria, Herdrich, Georg H.
This paper discusses the design and the performance achievable with active aerodynamic attitude control in very low Earth orbit, i.e. below 450 km in altitude. A novel real-time algorithm is proposed for selecting the angles of deflection of aerodyna
Externí odkaz:
http://arxiv.org/abs/2203.07790
Autor:
Sinpetru, Luciana, Crisp, Nicholas H., Roberts, Peter C. E., Sulliotti-Linner, Valeria, Hanessian, Virginia, Herdrich, Georg H., Romano, Francesco, Garcia-Alminana, Daniel, Rodriguez-Donaire, Silvia, Seminari, Simon
We present the validation of ADBSat, a novel implementation of the panel method including a fast pseudo-shading algorithm, that can quickly and accurately determine the forces and torques on satellites in free-molecular flow. Our main method of valid
Externí odkaz:
http://arxiv.org/abs/2110.06118
Autor:
Sinpetru, Luciana A., Crisp, Nicholas H., Mostaza-Prieto, David, Livadiotti, Sabrina, Roberts, Peter C. E.
ADBSat is a novel software that determines the aerodynamic properties of any body in free-molecular flow. Its main advantage is the fast approximation of the aerodynamics of spacecraft in the lower end of the low-Earth orbit altitude range. It is a n
Externí odkaz:
http://arxiv.org/abs/2104.05543
Autor:
Livadiotti, Sabrina, Crisp, Nicholas H., Roberts, Peter C. E., Worrall, Stephen D., Oiko, Vitor T. A., Edmondson, Steve, Haigh, Sarah J., Huyton, Claire, Smith, Katharine L., Sinpetru, Luciana A., Holmes, Brandon E. A., Becedas, Jonathan, Domínguez, Rosa María, Cañas, Valentín, Christensen, Simon, Mølgaard, Anders, Nielsen, Jens, Bisgaard, Morten, Chan, Yung-An, Herdrich, Georg H., Romano, Francesco, Fasoulas, Stefanos, Traub, Constantin, Garcia-Almiñana, Daniel, Rodriguez-Donaire, Silvia, Sureda, Miquel, Kataria, Dhiren, Belkouchi, Badia, Conte, Alexis, Perez, Jose Santiago, Villain, Rachel, Outlaw, Ron
Publikováno v:
Progress in Aerospace Sciences, vol. 119 (2020)
Renewed interest in Very Low Earth Orbits (VLEO) - i.e. altitudes below 450 km - has led to an increased demand for accurate environment characterisation and aerodynamic force prediction. While the former requires knowledge of the mechanisms that dri
Externí odkaz:
http://arxiv.org/abs/2010.00489
Autor:
Mehta, Piyush M., Paul, Smriti N., Crisp, Nicholas H., Sheridan, Philip L., Siemes, Christian, March, Günther, Bruinsma, Sean
Publikováno v:
In Advances in Space Research 15 December 2023 72(12):5443-5459
Autor:
Crisp, Nicholas Husayn
A growing interest in distributed systems of small satellites has recently emerged due to their ability to perform a variety of new mission types, increasing technical capability, and reduced time and cost for development. However, the lack of availa
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.701132
This paper presents a unique approach to the problem of calculating revisit time metrics for different satellite orbits, sensor geometries, and constellation configurations with application to early lifecycle design and optimisation processes for Ear
Externí odkaz:
http://arxiv.org/abs/1807.02021
Autor:
García-Almiñana, Daniel, Huyton, Claire, Ghizoni, Leonardo, Traub, C., Smith, Kate, Edmondson, Steve, Toshiyuki Abrao Oiko, Vitor, Sinpetru, Luciana, Kataria, Dhiren, Crisp, Nicholas, Chan, Y., Dominguez, R. M., Rodriguez-Donaire, Silvia, Villain, Rachel, Belkouchi, B., Becedas, J., Bay, Kristian, Morsbøl, Jonas, Romano, Francesco, Sureda, M., Sierra, Eloi, Heißerer, B., Outlaw, R., Livadiotti, Sabrina, Roberts, Peter, Perez, J. S., Schwalber, A., Fasoulas, Stefanos, Conte, Alexis, Jungnell, Victor, Herdrich, Georg, Boxberger, Adam, Haigh, Sarah J., Lyons, Rachel, Worral, Stephen D., Gonzalez, David
After decades of traditional space businesses, the space paradigm is changing. New approaches to more efficient missions in terms of costs, design, and manufacturing processes are fostered. For instance, placing big constellations of micro- and nano-
Externí odkaz:
https://library.oapen.org/handle/20.500.12657/49350
Autor:
Sinpetru, Luciana A., Crisp, Nicholas H., Mostaza-Prieto, David, Livadiotti, Sabrina, Roberts, Peter C.E.
Publikováno v:
In Computer Physics Communications June 2022 275